{"id":20492,"date":"2026-08-09T18:19:03","date_gmt":"2026-08-09T16:19:03","guid":{"rendered":"https:\/\/webhosting.de\/redis-eviction-hosting-cache-strategie\/"},"modified":"2026-08-09T18:19:03","modified_gmt":"2026-08-09T16:19:03","slug":"redis%e3%80%81%e3%82%a8%e3%83%b4%e3%82%a3%e3%82%af%e3%82%b7%e3%83%a7%e3%83%b3%e3%80%81%e3%83%9b%e3%82%b9%e3%83%86%e3%82%a3%e3%83%b3%e3%82%b0%e3%80%81%e3%82%ad%e3%83%a3%e3%83%83%e3%82%b7%e3%83%a5","status":"publish","type":"post","link":"https:\/\/webhosting.de\/ja\/redis-eviction-hosting-cache-strategie\/","title":{"rendered":"\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d0\u30fc\u5411\u3051\u306eRedis\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u30dd\u30ea\u30b7\u30fc\uff1a\u9069\u5207\u306a\u6226\u7565"},"content":{"rendered":"<p>Redis\u306e\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u6a5f\u80fd\u306f\u3001\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d0\u30fc\u306b\u304a\u3044\u3066\u3001\u30e1\u30e2\u30ea\u304c\u4e0d\u8db3\u3057\u305f\u969b\u306b\u3069\u306e\u30ad\u30fc\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u304b\u3089\u524a\u9664\u3057\u3001\u3069\u306e\u30ad\u30fc\u3092\u6b8b\u3059\u304b\u3092\u6c7a\u5b9a\u3057\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u78ba\u5b9f\u304b\u3064\u8fc5\u901f\u306b\u51e6\u7406\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u9069\u5207\u306a\u30dd\u30ea\u30b7\u30fc\u3092\u9078\u629e\u3059\u308b\u305f\u3081\u306e\u5177\u4f53\u7684\u306a\u6226\u7565\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002, <strong>\u8a2d\u5b9a\u3059\u308b<\/strong> \u305d\u3057\u3066\u3001\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u306b\u3088\u3063\u3066\u5b89\u5168\u3092\u78ba\u4fdd\u3059\u308b\u3002.<\/p>\n\n<h2>\u4e2d\u5fc3\u70b9<\/h2>\n\n<p>\u8a73\u7d30\u306b\u5165\u308b\u524d\u306b\u3001\u3042\u306a\u305f\u304c\u81ea\u5206\u306e <strong>\u65b9\u91dd<\/strong> \u8fc5\u901f\u306b\u6c7a\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u30dd\u30a4\u30f3\u30c8\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u91cd\u8996\u3059\u308b\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u7ba1\u7406\u8005\u3001DevOps\u62c5\u5f53\u8005\u3001\u304a\u3088\u3073\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u904b\u55b6\u8005\u3092\u5bfe\u8c61\u3068\u3057\u3066\u3044\u307e\u3059\u3002 \u3053\u3053\u3067\u306f\u3001\u7d14\u7c8b\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u304b\u3089\u3001TTL\u3084\u6c38\u7d9a\u30ad\u30fc\u3092\u542b\u3080\u6df7\u5408\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306b\u81f3\u308b\u307e\u3067\u3001\u5178\u578b\u7684\u306a\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u3092\u8003\u616e\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u7387\u3001\u30c7\u30fc\u30bf\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u8a08\u753b\u6027\u306e\u9069\u5207\u306a\u30d0\u30e9\u30f3\u30b9\u3092\u7dad\u6301\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8981\u70b9\u3092\u8e0f\u307e\u3048\u308b\u3053\u3068\u3067\u3001 <strong>\u30af\u30ea\u30a2<\/strong> \u30b5\u30fc\u30d0\u30fc\u9078\u3073\u306e\u6c7a\u3081\u624b\u3002.<\/p>\n<ul>\n  <li><strong>Allkeys-LFU<\/strong>: \u30a2\u30af\u30bb\u30b9\u304c\u8457\u3057\u304f\u4e0d\u5747\u4e00\u306b\u5206\u6563\u3059\u308b\u3001\u5e45\u5e83\u3044\u30ad\u30e3\u30c3\u30b7\u30e5\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u5411\u3051\u3002.<\/li>\n  <li><strong>Allkeys-LRU<\/strong>: \u65b0\u9bae\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u3068\u3001\u4e88\u6e2c\u3057\u3084\u3059\u3044\u52d5\u4f5c\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u3002.<\/li>\n  <li><strong>Volatile-LRU\/LFU<\/strong>: TTL\u30ad\u30fc\u306e\u307f\u3092\u524a\u9664\u3057\u3001\u6c38\u7d9a\u7684\u306a\u30c7\u30fc\u30bf\u306f\u4fdd\u8b77\u3057\u307e\u3059\u3002.<\/li>\n  <li><strong>Noeviction<\/strong>: \u91cd\u8981\u306a\u30c7\u30fc\u30bf\u306e\u5834\u5408\uff1b\u9375\u306e\u7d1b\u5931\u3067\u306f\u306a\u304f\u3001\u66f8\u304d\u8fbc\u307f\u30df\u30b9\u3002.<\/li>\n  <li><strong>\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/strong>: \u30d2\u30c3\u30c8\u7387\u3001\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3001\u304a\u3088\u3073\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u3092\u5e38\u306b\u76e3\u8996\u3059\u308b\u3002.<\/li>\n<\/ul>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/servermanagement-strategien-4821.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>Redis\u306e\u300c\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u300d\u3068\u306f\u3001\u5177\u4f53\u7684\u306b\u306f\u3069\u306e\u3088\u3046\u306a\u610f\u5473\u306a\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/h2>\n\n<p>Redis\u306e\u300c\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u300d\u3068\u306f\u3001\u8a2d\u5b9a\u3055\u308c\u305f <code>maxmemory<\/code> \u306b\u9054\u3057\u3001Redis\u304c\u65b0\u3057\u3044\u30c7\u30fc\u30bf\u3092\u66f8\u304d\u8fbc\u3080\u305f\u3081\u306e\u7a7a\u304d\u9818\u57df\u3092\u78ba\u4fdd\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3067\u3059\u3002\u79c1\u306f\u3053\u306e\u52d5\u4f5c\u3092\u3001\u8a2d\u5b9a\u9805\u76ee <code>maxmemory-policy<\/code>, \u3001\u6b21\u306e\u3088\u3046\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u306a\u3069 <code>\u30aa\u30fc\u30eb\u30ad\u30fc\u30ba\u30fb\u30eb\u30fc<\/code>, <code>allkeys-lfu<\/code>, <code>allkeys-random<\/code> \u307e\u305f\u306f <code>volatile-*<\/code>- \u3055\u307e\u3056\u307e\u306a\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001\u5404\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u524a\u9664\u6642\u306b\u7570\u306a\u308b\u30ad\u30fc\u3092\u512a\u5148\u3057\u307e\u3059\u3002LRU\u306f\u6700\u5f8c\u306b\u4f7f\u7528\u3055\u308c\u305f\u30ad\u30fc\u3092\u4fdd\u8b77\u3057\u3001LFU\u306f\u983b\u7e41\u306b\u4f7f\u7528\u3055\u308c\u308b\u30c7\u30fc\u30bf\u3092\u512a\u5148\u3057\u3001Random\u306f\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306b\u3088\u3063\u3066\u30e9\u30f3\u30c0\u30e0\u306b\u9078\u629e\u3057\u3001volatile-Policies\u306f\u6709\u52b9\u671f\u9650\uff08TTL\uff09\u304c\u8a2d\u5b9a\u3055\u308c\u305f\u30ad\u30fc\u306e\u307f\u3092\u5bfe\u8c61\u3068\u3057\u307e\u3059\u3002 \u91cd\u8981\uff1aRedis\u306f\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306b\u3088\u3063\u3066\u524a\u9664\u306e\u5224\u65ad\u3092\u9ad8\u901f\u306b\u884c\u3044\u3001\u3053\u308c\u306b\u3088\u308a\u30ec\u30a4\u30c6\u30f3\u30b7\u3092\u4f4e\u304f\u6291\u3048\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3057\u3066\u3044\u307e\u3059\u3002 <strong>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb<\/strong>. \u30e1\u30e2\u30ea\u304c\u4e0d\u8db3\u3057\u3066\u521d\u3081\u3066\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u305d\u308c\u307e\u3067\u306f\u3001Redis\u306f\u901a\u5e38\u306e\u30a4\u30f3\u30e1\u30e2\u30ea\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u3068\u540c\u69d8\u306b\u52d5\u4f5c\u3057\u3001 <strong>\u30ad\u30e3\u30c3\u30b7\u30e5<\/strong>-\u30e1\u30ea\u30c3\u30c8\u3002.<\/p>\n\n<h2>\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d0\u30fc\u306b\u9069\u3057\u305f\u30dd\u30ea\u30b7\u30fc\u306e\u9078\u5b9a<\/h2>\n\n<p>\u6700\u9069\u306a\u30dd\u30ea\u30b7\u30fc\u306f\u3001\u300c\u3069\u306e\u30c7\u30fc\u30bf\u3092\u30e1\u30e2\u30ea\u306b\u6b8b\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u3001\u3069\u306e\u30c7\u30fc\u30bf\u3092\u30b7\u30b9\u30c6\u30e0\u304c\u518d\u8a08\u7b97\u3057\u3066\u3082\u3088\u3044\u304b\u300d\u3068\u3044\u3046\u554f\u3044\u304b\u3089\u5c0e\u304d\u51fa\u3055\u308c\u307e\u3059\u3002Redis\u304c\u7d14\u7c8b\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u5834\u5408\u3001\u300callkeys\u300d\u6226\u7565\u304c\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u306a\u305c\u306a\u3089\u3001\u4e07\u304c\u4e00\u306e\u969b\u306b\u306f\u3059\u3079\u3066\u306e\u30a8\u30f3\u30c8\u30ea\u304c\u5143\u306e\u30bd\u30fc\u30b9\u304b\u3089\u518d\u751f\u6210\u3055\u308c\u308b\u305f\u3081\u3067\u3059\u3002\u305d\u306e\u5834\u5408\u3001 <strong>allkeys-lfu<\/strong> \u30a2\u30af\u30bb\u30b9\u6570\u304c\u4e0d\u5747\u7b49\u306a\u5834\u5408\u3084 <strong>\u30aa\u30fc\u30eb\u30ad\u30fc\u30ba\u30fb\u30eb\u30fc<\/strong> \u6bd4\u8f03\u7684\u65b0\u3057\u3044\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u5834\u5408\u3002\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u3055\u307e\u3056\u307e\u306a\u30c7\u30fc\u30bf\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u79c1\u306f <strong>volatile-lru<\/strong> \u6216\u3044\u306f <strong>volatile-lfu<\/strong>, \u3001\u3053\u308c\u306b\u3088\u308aTTL\u30ad\u30fc\u306e\u307f\u304c\u524a\u9664\u3055\u308c\u3001\u6c38\u7d9a\u7684\u306a\u30c7\u30fc\u30bf\u306f\u5f71\u97ff\u3092\u53d7\u3051\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u304c\u91cd\u8981\u306a\u5834\u5408\u306f\u3001\u79c1\u306f <strong>noeviction<\/strong>, \u3001\u305d\u306e\u4ee3\u308f\u308a\u3001\u30e1\u30e2\u30ea\u4f7f\u7528\u7387\u304c100\uff05\u306b\u9054\u3057\u305f\u969b\u306b\u66f8\u304d\u8fbc\u307f\u30b3\u30de\u30f3\u30c9\u304c\u5931\u6557\u3059\u308b\u3053\u3068\u3092\u5bb9\u8a8d\u3057\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u9069\u5207\u306b\u5bfe\u5fdc\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u3053\u306e\u5358\u7d14\u306a\u5224\u65ad\u30ed\u30b8\u30c3\u30af\u306b\u3088\u308a\u3001\u52d5\u4f5c\u304c\u4e88\u6e2c\u53ef\u80fd\u306b\u306a\u308a\u3001\u30a8\u30e9\u30fc\u306e\u30ea\u30b9\u30af\u3092\u4f4e\u304f\u6291\u3048\u3001\u660e\u78ba\u306a <strong>\u30ac\u30fc\u30c9\u30ec\u30fc\u30eb<\/strong>.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/redis_eviction_meeting_7483.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u5b9f\u8df5\u30ac\u30a4\u30c9\uff1a\u30ad\u30e3\u30c3\u30b7\u30e5\u5c02\u7528\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u3068\u6df7\u5408\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u306e\u6bd4\u8f03<\/h2>\n\n<p>\u7d14\u7c8b\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u306e\u5834\u5408\u3001\u79c1\u306f\u9ad8\u3044\u30d2\u30c3\u30c8\u7387\u3092\u76ee\u6307\u3057\u3066\u304a\u308a\u3001\u30c7\u30fc\u30bf\u306f\u30d7\u30e9\u30a4\u30de\u30ea\u30bd\u30fc\u30b9\u304b\u3089\u8fc5\u901f\u306b\u518d\u8aad\u307f\u8fbc\u307f\u3055\u308c\u308b\u305f\u3081\u3001\u7f6e\u63db\u306b\u3088\u308b\u30ea\u30b9\u30af\u306f\u307b\u3068\u3093\u3069\u306a\u3044\u3068\u8a8d\u8b58\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u74b0\u5883\u3067\u306f\u3001 <strong>allkeys-lfu<\/strong> \u591a\u304f\u306e\u5834\u5408\u3001\u3053\u308c\u304c\u6700\u826f\u306e\u59a5\u5354\u6848\u3068\u306a\u308a\u307e\u3059\u3002\u3068\u3044\u3046\u306e\u3082\u3001\u983b\u7e41\u306b\u4f7f\u7528\u3055\u308c\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u30e1\u30e2\u30ea\u306b\u9577\u304f\u6b8b\u308b\u306e\u306b\u5bfe\u3057\u3001\u5468\u8fba\u30c7\u30fc\u30bf\u306f\u524a\u9664\u3055\u308c\u308b\u304b\u3089\u3067\u3059\u3002\u6700\u65b0\u6027\u3092\u91cd\u8996\u3059\u308b\u4eba\u306f\u3001 <strong>\u30aa\u30fc\u30eb\u30ad\u30fc\u30ba\u30fb\u30eb\u30fc<\/strong>, \u3001\u76f4\u8fd1\u3067\u4f7f\u7528\u3055\u308c\u305f\u30a8\u30f3\u30c8\u30ea\u3092\u512a\u5148\u3057\u3001\u6700\u65b0\u306e\u30da\u30fc\u30b8\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u3092\u4fdd\u6301\u3059\u308b\u305f\u3081\u3067\u3059\u3002\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u6df7\u5728\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u3059\u3079\u3066\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u30ad\u30fc\u306bTTL\u3092\u8a2d\u5b9a\u3057\u3001\u305d\u308c\u3092 <strong>volatile-lru<\/strong> \u6216\u3044\u306f <strong>volatile-lfu<\/strong>, \u3001\u305d\u3046\u3059\u308b\u3053\u3068\u3067\u300c\u4e00\u6642\u7684\u306a\u300d\u30c7\u30fc\u30bf\u3060\u3051\u304c\u524a\u9664\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u9069\u5207\u306a\u30b9\u30c8\u30ec\u30fc\u30b8\u8a2d\u5b9a\u304c\u3053\u306e\u9078\u629e\u3092\u5f8c\u62bc\u3057\u3057\u307e\u3059\u3002\u305d\u306e\u4ed6\u306e\u30d2\u30f3\u30c8\u306b\u3064\u3044\u3066\u306f\u3001\u79c1\u306e\u30ac\u30a4\u30c9\u3067\u3054\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059 <a href=\"https:\/\/webhosting.de\/ja\/redis%e3%81%ae%e3%83%a1%e3%83%a2%e3%83%aa%e7%ae%a1%e7%90%86%e3%80%80%e3%83%a1%e3%83%a2%e3%83%aa%e3%81%ae%e6%9c%80%e9%81%a9%e8%a8%ad%e5%ae%9a%e3%80%80%e3%83%91%e3%83%95%e3%82%a9%e3%83%bc%e3%83%9e\/\">\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u6700\u9069\u306b\u69cb\u6210\u3059\u308b<\/a>, \u3001\u5177\u4f53\u7684\u306aMaxmemory\u306e\u4e88\u5099\u5bb9\u91cf\u3084\u30e1\u30c8\u30ea\u30af\u30b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n<h2>LRU \u5bfe LFU\uff1a\u3069\u3061\u3089\u306e\u624b\u6cd5\u304c\u9069\u3057\u3066\u3044\u308b\u304b<\/h2>\n\n<p>LRU\uff08Least Recently Used\uff09\u306f\u3001\u6700\u7d42\u5229\u7528\u304b\u3089\u306e\u6642\u9593\u306e\u8fd1\u3055\u3092\u512a\u5148\u3057\u3001\u6700\u8fd1\u30a2\u30af\u30bb\u30b9\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u4fdd\u6301\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002LFU\uff08Least Frequently Used\uff09\u306f\u30a2\u30af\u30bb\u30b9\u983b\u5ea6\u3092\u30ab\u30a6\u30f3\u30c8\u3057\u3001\u305f\u3068\u3048\u76f4\u8fd1\u6570\u5206\u9593\u30a2\u30af\u30bb\u30b9\u304c\u9014\u7d76\u3048\u3066\u3044\u305f\u3068\u3057\u3066\u3082\u3001\u300c\u5b9a\u756a\u30b3\u30f3\u30c6\u30f3\u30c4\u300d\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002 \u30a2\u30af\u30bb\u30b9\u983b\u5ea6\u306b\u5927\u304d\u306a\u3070\u3089\u3064\u304d\u304c\u3042\u308b\u5834\u5408\u306b\u306f\u3001\u3053\u306e\u65b9\u5f0f\u306e\u52b9\u679c\u304c\u9855\u8457\u306b\u73fe\u308c\u307e\u3059\u3002\u30cb\u30e5\u30fc\u30b9\u3084\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306a\u3069\u3001\u5229\u7528\u52d5\u5411\u304c\u6025\u901f\u306b\u5909\u5316\u3059\u308b\u5834\u5408\u3001 <strong>\u30aa\u30fc\u30eb\u30ad\u30fc\u30ba\u30fb\u30eb\u30fc<\/strong> \u76f4\u611f\u7684\u3067\u3042\u308a\u3001\u73fe\u5728\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u3088\u308a\u5f37\u304f\u5f37\u8abf\u3057\u3066\u3044\u308b\u3002\u30e1\u30cb\u30e5\u30fc\u3001\u30db\u30fc\u30e0\u753b\u9762\u306e\u30a6\u30a3\u30b8\u30a7\u30c3\u30c8\u3001\u30ed\u30b0\u30a4\u30f3\u95a2\u9023\u30c7\u30fc\u30bf\u306a\u3069\u3001\u5b89\u5b9a\u3057\u3066\u7e70\u308a\u8fd4\u3055\u308c\u308b\u30d1\u30bf\u30fc\u30f3\u306b\u304a\u3044\u3066\u306f\u3001\u305d\u306e\u5229\u70b9\u304c\u969b\u7acb\u3063\u3066\u3044\u308b <strong>allkeys-lfu<\/strong>, \u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u5e38\u306b\u8868\u793a\u3055\u308c\u7d9a\u3051\u308b\u304b\u3089\u3067\u3059\u3002\u8aa4\u3063\u305f\u5224\u65ad\u3092\u907f\u3051\u308b\u305f\u3081\u3001\u79c1\u306f\u5b9a\u671f\u7684\u306b\u30d2\u30c3\u30c8\u7387\u3001\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u7387\u3001\u5fdc\u7b54\u6642\u9593\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6570\u5024\u3053\u305d\u304c\u5b9f\u969b\u306e\u72b6\u6cc1\u3092\u53cd\u6620\u3057\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002 <strong>\u4f7f\u7528\u65b9\u6cd5<\/strong> \u4fe1\u983c\u6027\u304c\u9ad8\u3044\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/redis-eviction-server-strategies-4287.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>LRU\/LFU\u306e\u5fae\u8abf\u6574<\/h2>\n\n<p>LRU\/LFU\u304c\u6b63\u78ba\u306b\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u30013\u3064\u306e\u8abf\u6574\u30cd\u30b8\u3092\u8abf\u6574\u3057\u307e\u3059\uff1a <code>maxmemory-samples<\/code>, <code>lfu-log-factor<\/code> \u305d\u3057\u3066 <code>lfu-\u6e1b\u8870\u6642\u9593<\/code>. \u3088\u308a\u9ad8\u3044 <code>maxmemory-samples<\/code>-\u5024\uff08\u4f8b\uff1a\u6a19\u6e96\u5024\u306e\u4ee3\u308f\u308a\u306b10\uff5e15\uff09\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u6642\u306e\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u54c1\u8cea\u304c\u5411\u4e0a\u3057\u3001\u300c\u6b63\u3057\u3044\u300d\u30ad\u30fc\u306e\u30d2\u30c3\u30c8\u7387\u304c\u4e0a\u304c\u308b\u304c\u3001CPU\u8ca0\u8377\u304c\u5897\u52a0\u3059\u308b\u3002. <code>lfu-log-factor<\/code> LFU\u30ab\u30a6\u30f3\u30bf\u30fc\u306e\u5897\u52a0\u901f\u5ea6\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002\u5024\u3092\u5c0f\u3055\u304f\u8a2d\u5b9a\u3059\u308b\u3068\u53cd\u5fdc\u304c\u901f\u304f\u306a\u308a\uff08\u77ed\u671f\u9593\u306e\u30d6\u30fc\u30e0\u306b\u9069\u3057\u3066\u3044\u307e\u3059\uff09\u3001\u5927\u304d\u304f\u8a2d\u5b9a\u3059\u308b\u3068\u5909\u52d5\u304c\u5e73\u6ed1\u5316\u3055\u308c\u307e\u3059\uff08\u9577\u671f\u306b\u308f\u305f\u308b\u300c\u30d8\u30d3\u30fc\u30d2\u30c3\u30bf\u30fc\u300d\u306b\u9069\u3057\u3066\u3044\u307e\u3059\uff09\u3002 <code>lfu-\u6e1b\u8870\u6642\u9593<\/code> \uff08\u5206\u5358\u4f4d\uff09\u3067\u3001\u904e\u53bb\u306e\u4eba\u6c17\u5ea6\u304c\u3069\u308c\u304f\u3089\u3044\u306e\u901f\u3055\u3067\u300c\u4f4e\u4e0b\u300d\u3059\u308b\u304b\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u5024\u304c\u5927\u304d\u3044\u307b\u3069\u65e5\u5358\u4f4d\u306e\u30d1\u30bf\u30fc\u30f3\u306b\u9069\u3057\u3066\u304a\u308a\u3001\u5c0f\u3055\u3044\u307b\u3069\u5909\u5316\u306e\u6fc0\u3057\u3044\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002 1\u56de\u306e\u53cd\u5fa9\u3054\u3068\u306b1\u3064\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u307f\u3092\u5909\u66f4\u3057\u3001\u30d2\u30c3\u30c8\u7387\u3092\u89b3\u5bdf\u3059\u308b\u3068\u3068\u3082\u306b\u3001\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306b\u4e0d\u5fc5\u8981\u306bCPU\u30ea\u30bd\u30fc\u30b9\u3092\u8cbb\u3084\u3055\u306a\u3044\u3088\u3046\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u306b\u3082\u6ce8\u610f\u3092\u6255\u3063\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n<h2>volatile-* \u3092\u4f7f\u7528\u3057\u305f TTL \u6226\u7565<\/h2>\n\n<p>\u6b21\u306e\u3088\u3046\u306aTTL\u30d9\u30fc\u30b9\u306e\u30dd\u30ea\u30b7\u30fc\u306a\u3069 <strong>volatile-lru<\/strong> \u305d\u3057\u3066 <strong>volatile-lfu<\/strong> \u524a\u9664\u306e\u5bfe\u8c61\u3092\u6709\u52b9\u671f\u9650\u306e\u3042\u308b\u30ad\u30fc\u306b\u9650\u5b9a\u3057\u3001\u300c\u6c38\u7d9a\u7684\u306a\u300d\u30ad\u30fc\u306b\u306f\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u3001Redis\u304c\u30ad\u30e3\u30c3\u30b7\u30e5\u30c7\u30fc\u30bf\u3068\u9577\u671f\u4fdd\u5b58\u30c7\u30fc\u30bf\u3092\u4e00\u7dd2\u306b\u4fdd\u6301\u3057\u3066\u3044\u308b\u69cb\u6210\u3001\u4f8b\u3048\u3070\u30af\u30a8\u30ea\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u96a3\u306b\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u3088\u3046\u306a\u60c5\u5831\u3092\u4fdd\u6301\u3057\u3066\u3044\u308b\u3088\u3046\u306a\u5834\u5408\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002 \u3059\u3079\u3066\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u30ad\u30fc\u306b\u4e00\u8cab\u3057\u3066TTL\u3092\u8a2d\u5b9a\u3057\u3066\u304a\u3051\u3070\u3001\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u304c\u610f\u56f3\u3057\u305f\u5834\u6240\u3067\u306e\u307f\u884c\u308f\u308c\u308b\u3053\u3068\u3092\u78ba\u5b9f\u306b\u3067\u304d\u307e\u3059\u3002\u91cd\u8981\u306a\u70b9\uff1a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306bTTL\u30ad\u30fc\u304c\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001volatile\u30dd\u30ea\u30b7\u30fc\u306f\u6b21\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3057\u307e\u3059\u3002 <strong>noeviction<\/strong>, \u3001\u3064\u307e\u308a\u524a\u9664\u3092\u884c\u308f\u305a\u3001\u30e1\u30e2\u30ea\u304c\u6e80\u676f\u306e\u72b6\u614b\u3067\u66f8\u304d\u8fbc\u307f\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u72b6\u614b\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u3059\u3079\u3066\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u6709\u52b9\u671f\u9650\u304c\u59a5\u5f53\u306a\u3082\u306e\u304b\u3001\u307e\u305f\u5b9f\u969b\u306e <strong>\u5b9f\u969b<\/strong> \u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u5408\u3046\u3082\u306e\u3002.<\/p>\n\n<p>\u660e\u78ba\u306b\u671f\u9650\u304c\u5b9a\u3081\u3089\u308c\u3066\u3044\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u3064\u3044\u3066\u306f\u3001\u88dc\u8db3\u7684\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u3057\u3066\u3001\u79c1\u306f\u4ee5\u4e0b\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059 <strong>volatile-ttl<\/strong>, \u3001\u3053\u308c\u306b\u3088\u308a\u3001\u6b8b\u5b58\u671f\u9593\u304c\u6700\u3082\u77ed\u3044\u30ad\u30fc\u304c\u6700\u521d\u306b\u524a\u9664\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u3059\u3079\u3066\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u3044\u305a\u308c\u306b\u305b\u3088\u307e\u3082\u306a\u304f\u66f4\u65b0\u3055\u308c\u308b\u5834\u5408\u3067\u3001\u305d\u306e\u300c\u81ea\u7136\u306a\u300d\u6709\u52b9\u671f\u9650\u3092\u512a\u5148\u9806\u4f4d\u3068\u3057\u3066\u4f7f\u7528\u3057\u305f\u3044\u3068\u304d\u306b\u4fbf\u5229\u3067\u3059\u3002\u30c6\u30b9\u30c8\u3084\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u74b0\u5883\u3067\u306f\u3001\u6642\u6298 <strong>volatile-random<\/strong> CPU\u8ca0\u8377\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u305f\u3081\uff1b\u5b9f\u904b\u7528\u3067\u306f\u3001\u4e88\u6e2c\u6027\u304c\u4f4e\u3044\u305f\u3081\u3001\u30e9\u30f3\u30c0\u30e0\u306a\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u306f\u907f\u3051\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u3002.<\/p>\n\n<h2>\u91cd\u8981\u306a\u30c7\u30fc\u30bf\u306b\u5bfe\u3059\u308b\u300cNoeviction\u300d<\/h2>\n\n<p>\u6642\u70b9\u3067\u306f <strong>noeviction<\/strong> Redis\u306f\u30ad\u30fc\u3092\u524a\u9664\u3057\u307e\u305b\u3093\u3002\u30e1\u30e2\u30ea\u5236\u9650\u306b\u9054\u3059\u308b\u3068\u3001\u66f8\u304d\u8fbc\u307f\u30b3\u30de\u30f3\u30c9\u306f\u5931\u6557\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u8aad\u307f\u53d6\u308a\u30a2\u30af\u30bb\u30b9\u306f\u5f15\u304d\u7d9a\u304d\u53ef\u80fd\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u91cd\u8981\u306a\u30c7\u30fc\u30bf\u304c\u610f\u56f3\u3057\u306a\u3044\u524a\u9664\u304b\u3089\u4fdd\u8b77\u3055\u308c\u307e\u3059\u304c\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5074\u3067\u306f\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3078\u306e\u5805\u7262\u306a\u5bfe\u5fdc\u3084\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30d0\u30c3\u30af\u30d7\u30ec\u30c3\u30b7\u30e3\u30fc\u3092\u9069\u5207\u306b\u51e6\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u79c1\u306f\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u640d\u5931\u304c\u4e00\u6642\u7684\u306a\u66f8\u304d\u8fbc\u307f\u30a8\u30e9\u30fc\u3088\u308a\u3082\u5927\u304d\u306a\u30b3\u30b9\u30c8\u3068\u306a\u308b\u5834\u5408\u3001\u4f8b\u3048\u3070\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u95a2\u9023\u306e\u8a2d\u5b9a\u3084\u6975\u3081\u3066\u6a5f\u5bc6\u6027\u306e\u9ad8\u3044\u30bb\u30c3\u30b7\u30e7\u30f3\u60c5\u5831\u306a\u3069\u306b\u304a\u3044\u3066\u3001noeviction \u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u91cd\u8981\u306a\u306e\u306f\u3001\u30d4\u30fc\u30af\u6642\u306e\u8ca0\u8377\u304c\u76f4\u3061\u306b\u30a8\u30e9\u30fc\u306b\u3064\u306a\u304c\u3089\u306a\u3044\u3088\u3046\u306b\u3001\u4f59\u88d5\u3092\u6301\u3063\u305f\u4fdd\u5b88\u7684\u306a\u30e1\u30e2\u30ea\u8a08\u753b\u3092\u7acb\u3066\u3001 <strong>\u7533\u3057\u8fbc\u307f<\/strong> \u5f15\u304d\u7d9a\u304d\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u95be\u5024\u306b\u9054\u3059\u308b\u524d\u306b\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3092\u901a\u3058\u3066\u7a4d\u6975\u7684\u306b\u8b66\u544a\u3092\u767a\u3057\u3001\u9069\u6642\u306b <strong>\u5bfe\u7b56\u3092\u8b1b\u3058\u308b<\/strong>.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/redis_strategie_6789.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u6c38\u7d9a\u6027\u3001\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u304a\u3088\u3073\u30e1\u30e2\u30ea\u30d0\u30c3\u30d5\u30a1<\/h2>\n\n<p>\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u306e\u6c7a\u5b9a\u306f\u3001\u5e38\u306b\u6c38\u7d9a\u6027\uff08RDB\/AOF\uff09\u304a\u3088\u3073\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u6587\u8108\u306b\u304a\u3044\u3066\u884c\u308f\u308c\u308b\u3079\u304d\u3067\u3059\u3002RDB\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3084AOF\u306e\u30ea\u30e9\u30a4\u30c8\u3067\u306f\u30b3\u30d4\u30fc\u30fb\u30aa\u30f3\u30fb\u30e9\u30a4\u30c8\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u304c\u3001\u305d\u306e\u9593\u3001RSS\u30e1\u30e2\u30ea\u306f\u4e00\u6642\u7684\u306b\u5897\u52a0\u3057\u307e\u3059\u3002 \u305d\u306e\u305f\u3081\u3001\u30ea\u30e9\u30a4\u30c8\u306b\u3088\u3063\u3066\u610f\u56f3\u3057\u306a\u3044\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u304c\u767a\u751f\u3057\u306a\u3044\u3088\u3046\u3001\u89b3\u6e2c\u3055\u308c\u305f\u30d4\u30fc\u30af\u5024\u3088\u308a25\uff5e50%\u5206\u306e\u30d0\u30c3\u30d5\u30a1\u3092\u78ba\u4fdd\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u898f\u6a21\u306f\u66f8\u304d\u8fbc\u307f\u30ec\u30fc\u30c8\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30b5\u30a4\u30ba\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u30ea\u30e9\u30a4\u30c8\u4e2d\u306b\u5909\u66f4\u3055\u308c\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u591a\u3044\u307b\u3069\u3001\u5fc5\u8981\u306a\u30d0\u30c3\u30d5\u30a1\u5bb9\u91cf\u306f\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n<p>\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u969b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u70b9\u306b\u7559\u610f\u3057\u3066\u3044\u307e\u3059\u3002 <code>repl-backlog-size<\/code> \u304a\u3088\u3073\u30ec\u30d7\u30ea\u30ab\u7528\u306e\u51fa\u529b\u30d0\u30c3\u30d5\u30a1\u3002\u7279\u306b\u91cd\u8981\u306a\u70b9\u3068\u3057\u3066\u3001\u30ec\u30d7\u30ea\u30ab\u306b\u306f\u3088\u304f <code>replica-ignore-maxmemory yes<\/code> \uff08\u4ee5\u524d\u306f <code>slave-ignore-maxmemory<\/code>\uff09\u3001\u3053\u308c\u306b\u3088\u308a\u3001\u8ca0\u8377\u306e\u30d4\u30fc\u30af\u6642\u3067\u3082\u3001\u30ec\u30d7\u30ea\u30ab\u30b5\u30fc\u30d0\u30fc\u304c\u30d7\u30e9\u30a4\u30de\u30ea\u30b5\u30fc\u30d0\u30fc\u3092\u8ffd\u8de1\u3057\u3066\u3044\u308b\u9593\u306f\u3001\u72ec\u81ea\u306b\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u3057\u3066\u306e\u5f79\u5272\u3092\u6301\u3064\u8aad\u307f\u53d6\u308a\u5c02\u7528\u30ec\u30d7\u30ea\u30ab\u306b\u3064\u3044\u3066\u306f\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u5bb9\u91cf\u3092\u53b3\u683c\u306b\u5236\u9650\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u5834\u5408\u3001\u610f\u56f3\u7684\u306b\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u30dd\u30ea\u30b7\u30fc\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u91cd\u8981\u306a\u30c7\u30fc\u30bf\u306b\u3064\u3044\u3066\u306f\u3001\u30ec\u30d7\u30ea\u30ab\u4e0a\u3067\u4ee5\u4e0b\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059 <strong>noeviction<\/strong> \u30c7\u30fc\u30bf\u306e\u4e0d\u4e00\u81f4\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u5341\u5206\u306a\u4f59\u88d5\u3092\u6301\u305f\u305b\u3066\u3002.<\/p>\n\n<h2>redis.conf \u3067\u306e\u8a2d\u5b9a\u304a\u3088\u3073\u5b9f\u884c\u6642\u8a2d\u5b9a<\/h2>\n\n<p>\u79c1\u306f\u660e\u78ba\u306a\u8a2d\u5b9a\u3092\u7528\u3044\u3066\u518d\u73fe\u6027\u306e\u3042\u308b\u4f5c\u696d\u3092\u884c\u3044\u3001\u305d\u308c\u3089\u3092\u6c38\u7d9a\u7684\u306b\u4fdd\u5b58\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n<pre><code># \u306e\u4f8b\uff1a\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u307f\u3001\u30a2\u30af\u30bb\u30b9\u983b\u5ea6\u306e\u3070\u3089\u3064\u304d\u304c\u3042\u308b\u5834\u5408\nmaxmemory 4gb\nmaxmemory-policy allkeys-lfu\nmaxmemory-samples 10\nlfu-log-factor 10\nlfu-decay-time 1\n\n# \u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u524a\u9664\uff08Lazyfree\u3092\u53c2\u7167\uff09\nlazyfree-lazy-eviction yes\nlazyfree-lazy-expire yes\nlazyfree-lazy-server-del yes\n<\/code><\/pre>\n<p>\u5b9f\u884c\u6642\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u5909\u66f4\u5185\u5bb9\u3092\u30c6\u30b9\u30c8\u3057\u3066\u3044\u307e\u3059\u3002 <code>CONFIG SET<\/code> \u305d\u3057\u3066\u3001\u305d\u308c\u3092\u6b21\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059 <code>CONFIG REWRITE<\/code> \u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306b\u6c38\u7d9a\u7684\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u304c\u6df7\u5728\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30b3\u30fc\u30c9\u5185\u3067TTL\u30eb\u30fc\u30eb\u3092\u660e\u8a18\u3057\u3001Redis\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u7528\u9014\u3054\u3068\u306b\u5206\u96e2\uff08\u4f8b\uff1a\u30ad\u30e3\u30c3\u30b7\u30e5\u5c02\u7528\u3068\u30bb\u30c3\u30b7\u30e7\u30f3\u5c02\u7528\uff09\u3059\u308b\u3053\u3068\u3067\u3001\u5404\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u7279\u5b9a\u306e\u30dd\u30ea\u30b7\u30fc\u306b\u7126\u70b9\u3092\u5f53\u3066\u305f\u904b\u7528\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n<h2>Lazyfree\uff1a\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u306e\u6025\u4e0a\u6607\u3092\u4f34\u308f\u306a\u3044\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3<\/h2>\n\n<p>\u5927\u304d\u306a\u30ad\u30fc\u3084\u4e00\u62ec\u524a\u9664\u306f\u3001\u540c\u671f\u51e6\u7406\u306b\u3088\u308a\u77ac\u6642\u306b\u30ec\u30a4\u30c6\u30f3\u30b7\u306e\u30d4\u30fc\u30af\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002Lazyfree \u3092\u4f7f\u7528\u3059\u308b\u3068\uff08<code>lazyfree-lazy-eviction<\/code>, <code>lazyfree-lazy-expire<\/code>, <code>lazyfree-lazy-server-del<\/code>) \u3067\u306f\u3001\u5927\u304d\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u89e3\u653e\u3092\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30b9\u30ec\u30c3\u30c9\u3067\u884c\u3044\u307e\u3059\u3002\u6b21\u306e\u3088\u3046\u306a\u30b3\u30de\u30f3\u30c9\u306f <code>UNLINK<\/code> \u306e\u4ee3\u308f\u308a\u306b <code>DEL<\/code> \u3053\u308c\u3082\u6d3b\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u540c\u3058\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u3067\u3082\u5fdc\u7b54\u6642\u9593\u304c\u3088\u308a\u5b89\u5b9a\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u969b\u3001\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u306e\u30ea\u30bd\u30fc\u30b9\u89e3\u653e\u304c\u4e00\u6642\u7684\u306b\u8ffd\u52a0\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u751f\u3058\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u30e1\u30e2\u30ea\u3068CPU\u306e\u72b6\u6cc1\u3092\u76e3\u8996\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n<h2>\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3068\u4e3b\u8981\u6307\u6a19\uff1a\u30d2\u30c3\u30c8\u7387\u3001\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3001\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3<\/h2>\n\n<p>\u8abf\u548c\u306e\u3068\u308c\u305f\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306f\u3001\u8996\u8a8d\u6027\u306b\u3088\u3063\u3066\u6210\u5426\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002\u79c1\u306f <strong>\u30d2\u30c3\u30c8\u7387<\/strong>, \u3001\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u7387\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u3001\u304a\u3088\u3073\u4f7f\u7528\u30e1\u30e2\u30ea\u91cf\u3092\u6642\u7cfb\u5217\u3067\u8ffd\u8de1\u3057\u3066\u3044\u307e\u3059\u3002\u30d2\u30c3\u30c8\u7387\u304c\u4f4e\u4e0b\u3057\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u7387\u304c\u4e0a\u6607\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u3053\u308c\u3089\u306e\u6570\u5024\u306f\u30e1\u30e2\u30ea\u4e0d\u8db3\u3001TTL\u306e\u8a2d\u5b9a\u30df\u30b9\u3001\u3042\u308b\u3044\u306f\u4e0d\u9069\u5207\u306a\u30dd\u30ea\u30b7\u30fc\u3092\u793a\u5506\u3057\u3066\u3044\u307e\u3059\u3002 \u307e\u305f\u3001\u30d4\u30fc\u30af\u6642\u306b\u306f\u3001\u66f8\u304d\u8fbc\u307f\u30b3\u30de\u30f3\u30c9\u306e\u30a8\u30e9\u30fc\u7387\u3082\u8a55\u4fa1\u3057\u3001noeviction\u306e\u30ea\u30b9\u30af\u3092\u76f4\u63a5\u7279\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002Redis\u5185\u90e8\u306eLRU\/LFU\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306f\u3001 <code>maxmemory-samples<\/code> \u8abf\u6574\u3059\u308b\u3002\u5024\u3092\u9ad8\u304f\u8a2d\u5b9a\u3059\u308b\u3068\u3088\u308a\u826f\u3044\u5224\u65ad\u304c\u5f97\u3089\u308c\u308b\u304c\u3001CPU\u8ca0\u8377\u304c\u591a\u5c11\u5897\u3048\u308b\u3002\u79c1\u306f\u3053\u306e\u5024\u3092\u9069\u5ea6\u306b\u4e0a\u3052\u3001\u5fdc\u7b54\u6642\u9593\u3078\u306e\u5f71\u97ff\u3092\u89b3\u5bdf\u3057\u306a\u304c\u3089\u3001\u6700\u9069\u306a\u8a2d\u5b9a\u3092\u63a2\u3057\u3066\u3044\u304f\u3002 <strong>\u30bb\u30c3\u30c6\u30a3\u30f3\u30b0<\/strong> \u305d\u306e\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u306b\u5bfe\u3057\u3066\u3002.<\/p>\n\n<h2>\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d0\u30fc\u306e\u69cb\u6210\u4f8b<\/h2>\n\n<p>\u7e70\u308a\u8fd4\u3057\u767a\u751f\u3059\u308b\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u306e\u30b7\u30ca\u30ea\u30aa\u306b\u3064\u3044\u3066\u306f\u3001\u5c0f\u3055\u306a\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u304c\u6709\u52b9\u3067\u3042\u308b\u3053\u3068\u304c\u5206\u304b\u3063\u3066\u3044\u307e\u3059\u3002\u79c1\u306f\u3053\u308c\u3092\u8d77\u70b9\u3068\u3057\u3066\u6d3b\u7528\u3057\u3001\u305d\u306e\u5f8c\u3001\u6e2c\u5b9a\u7d50\u679c\u306b\u57fa\u3065\u3044\u3066\u5fae\u8abf\u6574\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002\u79c1\u306f\u5e38\u306b\u3001 <code>maxmemory<\/code>, \u3001\u3053\u308c\u306b\u3088\u308a\u8ca0\u8377\u306e\u30d4\u30fc\u30af\u3092\u7de9\u548c\u3057\u3001\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u304c\u79e9\u5e8f\u6b63\u3057\u304f\u884c\u308f\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u4ee5\u4e0b\u306e\u8868\u306b\u57fa\u3065\u3044\u3066\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u306b\u5fdc\u3058\u305f\u30dd\u30ea\u30b7\u30fc\u3092\u9078\u629e\u3057\u3001TTL\u30eb\u30fc\u30eb\u3092\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5185\u3067\u660e\u78ba\u306b\u6587\u66f8\u5316\u3057\u307e\u3059\u3002\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308a\u3001\u958b\u767a\u30c1\u30fc\u30e0\u3068\u904b\u7528\u30c1\u30fc\u30e0\u9593\u306e\u8aa4\u89e3\u3092\u9632\u304e\u3001\u65e5\u5e38\u696d\u52d9\u306b\u304a\u3044\u3066\u518d\u73fe\u6027\u306e\u3042\u308b\u52d5\u4f5c\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002 \u3053\u306e\u3088\u3046\u306a\u6982\u8981\u3092\u628a\u63e1\u3059\u308b\u3053\u3068\u3067\u3001\u79c1\u306f <strong>\u6c7a\u65ad<\/strong> \u900f\u660e\u3067\u3001\u5f8c\u3067\u6271\u3044\u3084\u3059\u304f\u306a\u308a\u307e\u3059 <strong>\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/strong>.<\/p>\n\n<table>\n  <thead>\n    <tr>\n      <th>\u30ef\u30fc\u30af\u30ed\u30fc\u30c9<\/th>\n      <th>\u63a8\u5968\u30dd\u30ea\u30b7\u30fc<\/th>\n      <th>\u30e1\u30ea\u30c3\u30c8<\/th>\n      <th>\u30ea\u30b9\u30af<\/th>\n      <th>\u30d2\u30f3\u30c8<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>\u7d14\u7c8b\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u3001\u4e0d\u5747\u7b49\u306a\u30a2\u30af\u30bb\u30b9<\/td>\n      <td>allkeys-lfu<\/td>\n      <td>\u3088\u304f\u4f7f\u3046\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u6b8b\u308a\u307e\u3059<\/td>\n      <td>\u30ec\u30a2\u306a\u30ad\u30fc\u304c\u3088\u308a\u65e9\u304f\u30c9\u30ed\u30c3\u30d7\u3059\u308b<\/td>\n      <td>\u30d2\u30c3\u30c8\u7387\u3092\u78ba\u8a8d\u3059\u308b\u3001, <code>maxmemory-samples<\/code> \u5fae\u8abf\u6574\u3059\u308b<\/td>\n    <\/tr>\n    <tr>\n      <td>\u7d14\u7c8b\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u3001\u6700\u65b0\u306e\u30b3\u30f3\u30c6\u30f3\u30c4<\/td>\n      <td>\u30aa\u30fc\u30eb\u30ad\u30fc\u30ba\u30fb\u30eb\u30fc<\/td>\n      <td>\u6700\u8fd1\u4f7f\u7528\u3057\u305f\u30ad\u30fc\u306f\u4fdd\u6301\u3055\u308c\u307e\u3059<\/td>\n      <td>\u9577\u5e74\u4eba\u6c17\u3092\u535a\u3057\u3066\u304d\u305f\u9298\u67c4\u306f\u4e0b\u843d\u3057\u3084\u3059\u3044<\/td>\n      <td>\u30cb\u30e5\u30fc\u30b9\u3084\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306b\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u3053\u3061\u3089\u306e\u65b9\u304c\u9069\u3057\u3066\u3044\u308b<\/td>\n    <\/tr>\n    <tr>\n      <td>TTL \u3092\u542b\u3080\u6df7\u5408\u30c7\u30fc\u30bf<\/td>\n      <td>volatile-lru\/lfu<\/td>\n      <td>\u6c38\u7d9a\u30ad\u30fc\u306e\u4fdd\u8b77<\/td>\n      <td>TTL\u304c\u306a\u3051\u308c\u3070\u524a\u9664\u3067\u304d\u306a\u3044<\/td>\n      <td>TTL\u3092\u4e00\u8cab\u3057\u3066\u9069\u7528\u3057\u3001\u6587\u66f8\u5316\u3059\u308b<\/td>\n    <\/tr>\n    <tr>\n      <td>\u91cd\u8981\u306a\u30c7\u30fc\u30bf\u306e\u4fdd\u5b58<\/td>\n      <td>noeviction<\/td>\n      <td>\u9375\u3092\u306a\u304f\u3059\u5fc3\u914d\u304c\u306a\u3044<\/td>\n      <td>RAM\u304c\u6e80\u676f\u6642\u306e\u5165\u529b\u30df\u30b9<\/td>\n      <td>\u30a2\u30d7\u30ea\u306e\u4f8b\u5916\u51e6\u7406\u3092\u78ba\u5b9f\u306b\u3059\u308b<\/td>\n    <\/tr>\n    <tr>\n      <td>\u30c6\u30b9\u30c8\uff0f\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0<\/td>\n      <td>allkeys-random<\/td>\n      <td>CPU\u30b3\u30b9\u30c8\u304c\u6975\u3081\u3066\u4f4e\u3044<\/td>\n      <td>\u4e88\u671f\u305b\u306c\u7acb\u3061\u9000\u304d<\/td>\n      <td>\u751f\u7523\u7528\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u306f\u4f7f\u7528\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/RedisEvictionStrategie3287.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u306b\u304a\u3051\u308bShared Redis\u3068Dedicated Redis\u306e\u6bd4\u8f03<\/h2>\n\n<p>\u5171\u6709\u74b0\u5883\u3067\u306f\u3001\u8ca0\u8377\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306e\u5909\u52d5\u3084\u4ed6\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4e0d\u660e\u78ba\u306aTTL\u30eb\u30fc\u30eb\u306b\u983b\u7e41\u306b\u60a9\u307e\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u3001\u305d\u306e\u7d50\u679c\u3001\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u306e\u6319\u52d5\u304c\u4e88\u6e2c\u4e0d\u80fd\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u79c1\u306f\u3053\u3053\u3067\u306f\u3001\u3080\u3057\u308d <strong>volatile-lru<\/strong> \u6216\u3044\u306f <strong>volatile-lfu<\/strong> \u307e\u305f\u3001\u3059\u3079\u3066\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u30ad\u30fc\u306b\u77ed\u304f\u660e\u78ba\u306aTTL\u3092\u8a2d\u5b9a\u3057\u3001\u660e\u793a\u7684\u306b\u4e00\u6642\u7684\u306a\u30c7\u30fc\u30bf\u306e\u307f\u304c\u524a\u9664\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u5c02\u7528\u306e\u9ad8\u6027\u80fd\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u306f\u3001 <strong>allkeys-lfu<\/strong> \u300c\u30d8\u30d3\u30fc\u30d2\u30c3\u30bf\u30fc\u300d\u304c\u78ba\u5b9f\u306bRAM\u306b\u6b8b\u308b\u305f\u3081\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u30d2\u30c3\u30c8\u7387\u304c\u5411\u4e0a\u3057\u3001\u5fdc\u7b54\u6642\u9593\u3082\u5b89\u5b9a\u3057\u307e\u3059\u3002\u307e\u3060\u3069\u3061\u3089\u3092\u9078\u3076\u3079\u304d\u304b\u8ff7\u3063\u3066\u3044\u308b\u65b9\u306f\u3001\u79c1\u306e\u30ac\u30a4\u30c9\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/webhosting.de\/ja\/redis-%e5%85%b1%e6%9c%89%e3%81%a8%e5%b0%82%e7%94%a8%e3%83%91%e3%83%95%e3%82%a9%e3%83%bc%e3%83%9e%e3%83%b3%e3%82%b9%e3%81%ae%e5%ae%89%e5%85%a8%e6%80%a7%e3%82%ad%e3%83%a3%e3%83%83%e3%82%b7%e3%83%a5\/\">\u5171\u6709\u3068\u5c02\u7528<\/a>, \u3001\u305d\u3053\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u906e\u97f3\u6027\u3001\u30b3\u30b9\u30c8\u3078\u306e\u5f71\u97ff\u3092\u6bd4\u8f03\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u3046\u3057\u305f\u660e\u78ba\u306a\u628a\u63e1\u306b\u3088\u308a\u3001\u30da\u30fc\u30b8\u306e\u5d29\u58ca\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b\u3057\u3001 <strong>\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc<\/strong> \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u4e0b\u306b\u3042\u308b\u3002<\/p>\n\n<p>Redis\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3054\u3068\u306e\u30af\u30a9\u30fc\u30bf\u3092\u30cd\u30a4\u30c6\u30a3\u30d6\u306b\u306f\u9069\u7528\u3057\u307e\u305b\u3093\u3002\u53b3\u683c\u306a\u30e1\u30e2\u30ea\u4e88\u7b97\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3054\u3068\u306b\u500b\u5225\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u307e\u305f\u306f\u30af\u30e9\u30b9\u30bf\u30b7\u30e3\u30fc\u30c9\u3092\u8d77\u52d5\u3057\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3054\u3068\u306b\u72ec\u81ea\u306e <code>maxmemory<\/code> \u305d\u308c\u306b\u4f34\u3046\u30dd\u30ea\u30b7\u30fc\u3082\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u500b\u3005\u306e\u30c6\u30ca\u30f3\u30c8\u304c\u5171\u6709\u30e1\u30e2\u30ea\u3092\u72ec\u5360\u3057\u3001\u610f\u56f3\u305b\u305a\u4ed6\u306e\u30c6\u30ca\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u3092\u9632\u304e\u307e\u3059\u3002.<\/p>\n\n<h2>WordPress\u3068WooCommerce\uff1a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u9069\u5207\u306b\u904b\u7528\u3059\u308b<\/h2>\n\n<p>WordPress\u306e\u74b0\u5883\u3067\u306f\u3001\u30af\u30a8\u30ea\u7d50\u679c\u3001\u30e1\u30cb\u30e5\u30fc\u3001\u30ed\u30b0\u30a4\u30f3\u60c5\u5831\u3001\u4e00\u6642\u30c7\u30fc\u30bf\u306a\u3069\u304cRedis\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u683c\u7d0d\u3055\u308c\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30ad\u30fc\u306f\u3001TTL\u30d9\u30fc\u30b9\u306e\u30eb\u30fc\u30eb\u306b\u6700\u9069\u3067\u3059\u3002\u79c1\u306f\u52d5\u7684\u306a\u30da\u30fc\u30b8\u306b\u304a\u3044\u3066\u3001\u4e00\u6642\u7684\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u306f\u77ed\u3044TTL\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001 <strong>volatile-lfu<\/strong> \u6216\u3044\u306f <strong>volatile-lru<\/strong> \u610f\u56f3\u7684\u306b\u30b9\u30da\u30fc\u30b9\u3092\u78ba\u4fdd\u3059\u308b\u3002\u30da\u30fc\u30b8\u304c\u7e70\u308a\u8fd4\u3057\u767b\u5834\u3059\u308b\u8981\u7d20\u3067\u6ea2\u308c\u304b\u3048\u3063\u3066\u3044\u308b\u5834\u5408\u3001 <strong>allkeys-lfu<\/strong>, \u3001\u3068\u3044\u3046\u306e\u3082\u3001\u300c\u5e38\u6642\u5b9f\u884c\u4e2d\u306e\u30d7\u30ed\u30bb\u30b9\u300d\u306f\u30e1\u30e2\u30ea\u306b\u6b8b\u308a\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u7387\u304c\u9ad8\u3044\u72b6\u614b\u3092\u7dad\u6301\u3059\u308b\u304b\u3089\u3067\u3059\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u3088\u304f\u898b\u3089\u308c\u308b\u30a8\u30e9\u30fc\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u3053\u3067\u8aac\u660e\u3057\u307e\u3059\uff1a <a href=\"https:\/\/webhosting.de\/ja\/redis-%e3%82%aa%e3%83%96%e3%82%b8%e3%82%a7%e3%82%af%e3%83%88%e3%82%ad%e3%83%a3%e3%83%83%e3%82%b7%e3%83%a5%e3%81%ae%e8%a8%ad%e5%ae%9a%e3%82%a8%e3%83%a9%e3%83%bc%e3%80%81wordpress-%e3%81%ae%e3%83%91\/\">\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u8a2d\u5b9a\u30a8\u30e9\u30fc<\/a>, \u305d\u3053\u3067\u306fTTL\u3001\u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u3001\u30ad\u30fc\u30b5\u30a4\u30ba\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8abf\u6574\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u4e0d\u5fc5\u8981\u306a\u30df\u30b9\u3092\u9632\u304e\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30d4\u30fc\u30af\u6642\u3067\u3082\u30b5\u30a4\u30c8\u306e\u5b89\u5b9a\u6027\u3092\u7dad\u6301\u3057\u3066\u3044\u307e\u3059 <strong>\u901f\u3044<\/strong>.<\/p>\n\n<p>\u5b9f\u7528\u7684\u306a\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\uff1a\u5909\u52d5\u306e\u6fc0\u3057\u3044\u8981\u7d20\uff08\u4f8b\uff1a\u30d1\u30fc\u30bd\u30ca\u30e9\u30a4\u30ba\u3055\u308c\u305f\u30a6\u30a3\u30b8\u30a7\u30c3\u30c8\u3001\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0\u30ab\u30fc\u30c8\u306e\u30b9\u30cb\u30da\u30c3\u30c8\u306a\u3069\uff09\u306b\u3064\u3044\u3066\u306f\u3001TTL\u3092\u6570\u79d2\u304b\u3089\u6570\u5206\u7a0b\u5ea6\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002 \u30e1\u30cb\u30e5\u30fc\u69cb\u9020\u3001\u30ab\u30c6\u30b4\u30ea\u3001\u307e\u305f\u306f\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u306e\u30a6\u30a3\u30b8\u30a7\u30c3\u30c8\u306b\u3064\u3044\u3066\u306f\u3001\u5909\u66f4\u6642\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u7121\u52b9\u5316\u51e6\u7406\u304c\u78ba\u5b9f\u306b\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u308b\u9650\u308a\u3001\u3088\u308a\u9577\u3044TTL\u3092\u8a2d\u5b9a\u3059\u308b\u306e\u304c\u9069\u5207\u3067\u3059\u3002WooCommerce\u306e\u30ab\u30bf\u30ed\u30b0\u3067\u306f\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30af\u30ea\u30a2\u5f8c\u306b\u4eba\u6c17\u5546\u54c1\u30ea\u30b9\u30c8\u3092\u7684\u78ba\u306b\u66f4\u65b0\u3059\u308b\u30d7\u30ec\u30a6\u30a9\u30fc\u30e0\u30b8\u30e7\u30d6\uff08Cron\uff09\u3092\u6d3b\u7528\u3059\u308b\u3068\u52b9\u679c\u7684\u3067\u3059\u3002 \u307e\u305f\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u904e\u5927\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u66f8\u304d\u8fbc\u307e\u306a\u3044\u3088\u3046\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001\u30c7\u30fc\u30bf\u3092\u7d30\u5206\u5316\uff08\u5de8\u5927\u306a\u30d6\u30ed\u30d61\u3064\u3067\u306f\u306a\u304f\u3001\u8907\u6570\u306e\u5c0f\u3055\u306a\u30ad\u30fc\u306b\u5206\u5272\uff09\u3057\u3001\u30c7\u30fc\u30bf\u5f62\u5f0f\u3092\u7c21\u7d20\u5316\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n<h2>OS\u304a\u3088\u3073\u30b3\u30f3\u30c6\u30ca\u306e\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0<\/h2>\n\n<p>OS \u304a\u3088\u3073\u30b3\u30f3\u30c6\u30ca\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u306f\u3001\u30e1\u30e2\u30ea\u306e\u53ef\u7528\u6027\u3084 RSS \u306e\u6319\u52d5\u3092\u901a\u3058\u3066\u3001\u9593\u63a5\u7684\u306b\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u79c1\u306f <code>vm.overcommit_memory=1<\/code>, \u3001Transparent Huge Pages\uff08THP\uff09\u3092\u7121\u52b9\u306b\u3057\u3001\u672c\u756a\u74b0\u5883\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u306e\u30b9\u30ef\u30c3\u30d7\u3092\u56de\u907f\u3059\u308b\u3053\u3068\u3067\u3001OOM\u30ad\u30e9\u30fc\u306e\u767a\u751f\u3092\u9632\u304e\u3001RSS\u306e\u80a5\u5927\u5316\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002\u30b3\u30f3\u30c6\u30ca\u3067\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002 <code>maxmemory<\/code> cgroup\u306e\u4e0a\u9650\u3092\u4e0b\u56de\u3089\u305b\u3001RDB\/AOF\u306e\u30d4\u30fc\u30af\u3001\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d0\u30c3\u30d5\u30a1\u3001\u304a\u3088\u3073\u65ad\u7247\u5316\u306b\u4f59\u88d5\u3092\u6301\u305f\u305b\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001Redis\u5074\u306e\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u304c\u307e\u3060\u6a5f\u80fd\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u4e00\u6642\u7684\u306a\u30d4\u30fc\u30af\u3092\u539f\u56e0\u3068\u3057\u3066\u30d7\u30ed\u30bb\u30b9\u304c\u5f37\u5236\u7d42\u4e86\u3055\u308c\u308b\u306e\u3092\u9632\u3044\u3067\u3044\u307e\u3059\u3002\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u9805\u76ee\u306b\u52a0\u3048\u3001 <code>\u4f7f\u7528\u30e1\u30e2\u30ea<\/code> \u4f75\u305b\u3066 <code>\u30e6\u30fc\u30ba\u30c9_\u30e1\u30e2\u30ea_rss<\/code> \u305d\u3057\u3066\u3001\u305d\u306e\u6bd4\u7387\uff08<code>\u30e1\u30e2\u30ea\u65ad\u7247\u5316\u7387<\/code>)\u3001OS\u306e\u5f71\u97ff\u306b\u52b9\u679c\u7684\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/redis-server-strategien-1794.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30c7\u30d5\u30e9\u30b0\u3068\u30e1\u30e2\u30ea\u4e88\u5099\u9818\u57df<\/h2>\n\n<p>Redis\u306f\u5185\u90e8\u3067\u30e1\u30e2\u30ea\u3092\u65ad\u7247\u5316\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u3001\u3053\u308c\u306b\u3088\u308a\u4f7f\u7528\u53ef\u80fd\u306aRAM\u304c\u6e1b\u5c11\u3057\u3001\u4e88\u60f3\u3088\u308a\u65e9\u304f\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30c7\u30d5\u30e9\u30b0\u6a5f\u80fd\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u6319\u52d5\u3092\u7de9\u548c\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u4e88\u60f3\u3055\u308c\u308b\u30d4\u30fc\u30af\u4f7f\u7528\u91cf\u3088\u308a\u3082\u591a\u3081\u306e\u30d0\u30c3\u30d5\u30a1\u3092\u78ba\u4fdd\u3057\u3001\u5b9a\u671f\u7684\u306b <strong>\u30d5\u30e9\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3<\/strong> \u304a\u3088\u3073\u5b9f\u969b\u306e\u5229\u7528\u72b6\u6cc1\u3002\u5236\u9650\u304c\u53b3\u3057\u3059\u304e\u308b\u3068\u30d2\u30c3\u30c8\u7387\u304c\u4f4e\u4e0b\u3057\u3001\u9006\u306b\u5236\u9650\u304c\u7de9\u3059\u304e\u308b\u3068\u3001noeviction\u304c\u6709\u52b9\u306a\u5834\u5408\u306b\u30a8\u30e9\u30fc\u306e\u767a\u898b\u304c\u9045\u308c\u308b\u30ea\u30b9\u30af\u304c\u751f\u3058\u307e\u3059\u3002\u8abf\u6574\u306e\u969b\u306f\u3001\u5c11\u3057\u305a\u3064 <code>maxmemory<\/code> \u3053\u308c\u306b\u3088\u308a\u3001\u5f71\u97ff\u3092\u6e2c\u5b9a\u53ef\u80fd\u306a\u7bc4\u56f2\u306b\u6291\u3048\u3001\u3084\u307f\u304f\u3082\u306b\u904e\u5270\u306a\u8abf\u6574\u3092\u884c\u3046\u3053\u3068\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u8a08\u753b\u306f\u73fe\u5b9f\u7684\u306a\u3082\u306e\u3068\u306a\u308a\u3001 <strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/strong> \u4e00\u5b9a\u3057\u3066\u3044\u308b\u3002<\/p>\n\n<p>\u3068\u4e00\u7dd2\u306b <code>activedefrag yes<\/code> \u304a\u3088\u3073\u3088\u308a\u5fae\u7d30\u306a\u5883\u754c\uff08<em>cycle-min\/max<\/em>) \u3053\u308c\u306b\u3088\u308a\u3001\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3078\u306e\u8ca0\u8377\u3092\u904e\u5ea6\u306b\u5897\u3084\u3059\u3053\u3068\u306a\u304f\u3001\u30e1\u30e2\u30ea\u306e\u30d4\u30fc\u30af\u8ca0\u8377\u3092\u5e73\u6e96\u5316\u3057\u3066\u3044\u307e\u3059\u3002\u79c1\u306f\u3001\u8ca0\u8377\u306e\u30d4\u30fc\u30af\u6642\u3092\u907f\u3051\u3066\u30c7\u30d5\u30e9\u30b0\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3092\u512a\u5148\u3057\u3066\u304a\u308a\u3001\u305d\u306e\u5f8c\u3001\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u306e\u767a\u751f\u983b\u5ea6\u304c\u4f4e\u4e0b\u3057\u305f\u304b\u3001\u3042\u308b\u3044\u306f\u3088\u308a\u898f\u5247\u7684\u306b\u306a\u3063\u305f\u304b\u3092\u8a55\u4fa1\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n<h2>Big Keys\u3068\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u7684\u3092\u7d5e\u3063\u3066\u6574\u7406\u3059\u308b<\/h2>\n\n<p>\u4e0d\u91e3\u308a\u5408\u3044\u306b\u5927\u304d\u306a\u30ad\u30fc\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u7a74\u3092\u958b\u3051\u3001\u904e\u9177\u306a\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002\u79c1\u306f\u6b21\u306e\u3088\u3046\u306a\u7570\u5e38\u5024\u3092\u63a2\u3057\u3066\u3044\u307e\u3059\u3002 <code>redis-cli --bigkeys<\/code> \u6216\u3044\u306f <code>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf<\/code> \u93751\u3064\u306b\u3064\u304d\u3001\u5229\u7528\u3057\u3066 <code>\u30e1\u30e2\u30ea\u7d71\u8a08<\/code>\/<code>\u30e1\u30e2\u30ea\u30fc\u30fb\u30c9\u30af\u30bf\u30fc<\/code> \u6700\u521d\u306e\u8a3a\u65ad\u3068\u3057\u3066\u3002\u3088\u304f\u3042\u308b\u5bfe\u7b56\uff1a\u5927\u304d\u306aJSON\u30d6\u30ed\u30d6\u3092\u5206\u5272\u3059\u308b\u3001\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u7528\u3044\u305f\u30cf\u30c3\u30b7\u30e5\u3092\u4f7f\u7528\u3059\u308b\uff08Listpack\/Ziplist\u306e\u3057\u304d\u3044\u5024\u3092\u9069\u5207\u306b\u8a2d\u5b9a\u3059\u308b\uff09\u3001\u30bb\u30c3\u30c8\uff0f\u30bd\u30fc\u30c8\u6e08\u307f\u30bb\u30c3\u30c8\u306b\u3064\u3044\u3066\u306f\u7c92\u5ea6\u3092\u898b\u76f4\u3057\u3001\u53e4\u3044\u30e1\u30f3\u30d0\u30fc\u3092\u7a4d\u6975\u7684\u306b\u524a\u9664\u3059\u308b\u3002 \u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u3064\u3044\u3066\u306f\u3001\u5165\u529b\u5074\u3068\u6d88\u8cbb\u5074\u306e\u4e21\u65b9\u306b\u6ce8\u610f\u3092\u6255\u3063\u3066\u3044\u307e\u3059\uff1a <code>XTRIM<\/code> \u9577\u3055\u3092\u5236\u9650\u3057\u3001\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u3092\u78ba\u5b9f\u306b\u9806\u6b21\u51e6\u7406\u3057\u305f\u308a\u3001\u975e\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30b0\u30eb\u30fc\u30d7\u3092\u6574\u7406\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u3067\u3001PEL\uff08Pending Entries\uff09\u304c\u7121\u9650\u306b\u5897\u3048\u7d9a\u3051\u308b\u306e\u3092\u9632\u3044\u3067\u3044\u307e\u3059\u3002.<\/p>\n\n<h2>\u65e5\u5e38\u751f\u6d3b\u306b\u304a\u3051\u308b\u5177\u4f53\u7684\u306a\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306e\u624b\u9806<\/h2>\n\n<p>\u307e\u305a\u3001\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u306b\u5fdc\u3058\u305f\u660e\u78ba\u306a\u30dd\u30ea\u30b7\u30fc\u3092\u8a2d\u5b9a\u3057\u3001\u73fe\u5b9f\u7684\u306aTTL\u3092\u8a2d\u5b9a\u3057\u305f\u4e0a\u3067\u30011\u65e5\u3092\u901a\u3058\u305f\u30d2\u30c3\u30c8\u7387\u3068\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u7387\u3092\u76e3\u8996\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u8abf\u6574\u3092\u884c\u3044\u307e\u3059\u3002 <code>maxmemory<\/code> \u5c11\u3057\u305a\u3064\u9032\u3081\u3001\u8abf\u6574\u3057\u306a\u304c\u3089 <code>maxmemory-samples<\/code> \u3088\u308a\u9069\u5207\u306aLRU\/LFU\u306e\u6c7a\u5b9a\u3092\u884c\u3046\u305f\u3081\u306b\u3002\u30e1\u30e2\u30ea\u3092\u5897\u8a2d\u3057\u3066\u3082\u30d2\u30c3\u30c8\u7387\u304c\u4f4e\u4e0b\u3059\u308b\u5834\u5408\u306f\u3001TTL\u304c\u77ed\u3059\u304e\u308b\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u5927\u304d\u3059\u304e\u308b\u3001\u3042\u308b\u3044\u306f\u30ad\u30fc\u306e\u7c92\u5ea6\u304c\u4e0d\u9069\u5207\u3067\u3042\u308b\u3053\u3068\u304c\u539f\u56e0\u3067\u3042\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u305d\u306e\u5834\u5408\u306f <strong>\u9375<\/strong> \u305d\u3057\u3066\u3001\u4e0d\u8981\u306a\u30c7\u30fc\u30bf\u3092\u524a\u6e1b\u3057\u307e\u3059\u3002WordPress\u3067\u306f\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u5185\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30b5\u30a4\u30ba\u3084\u6570\u3001\u304a\u3088\u3073\u30ad\u30e3\u30c3\u30b7\u30e5\u3078\u306e\u66f8\u304d\u8fbc\u307f\u304c\u904e\u5ea6\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u6319\u52d5\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002\u53cd\u5fa9\u3092\u91cd\u306d\u308b\u3054\u3068\u306b\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u7387\u304c\u4f4e\u4e0b\u3057\u3001\u5fdc\u7b54\u6642\u9593\u304c\u5b89\u5b9a\u3057\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u304c <strong>\u8ca0\u8377<\/strong> \u4fe1\u983c\u3067\u304d\u308b\u3002.<\/p>\n\n<h2>\u30e9\u30f3\u30d6\u30c3\u30af\uff1a\u7acb\u3061\u9000\u304d\u304c\u5236\u5fa1\u4e0d\u80fd\u306b\u306a\u3063\u305f\u5834\u5408<\/h2>\n\n<ul>\n  <li>\u30a2\u30e9\u30fc\u30e0\u306e\u691c\u8a3c\uff1a\u30d2\u30c3\u30c8\u7387\uff0f\u30df\u30b9\u7387\u3001\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u3001\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8 (<em>OOM \u30b3\u30de\u30f3\u30c9\u306f\u4f7f\u7528\u3067\u304d\u307e\u305b\u3093<\/em>), \u30ec\u30a4\u30c6\u30f3\u30b7\u3092\u78ba\u8a8d\u3059\u308b\u3002.<\/li>\n  <li>\u7dca\u6025\u63aa\u7f6e\uff1a\u53ef\u80fd\u3067\u3042\u308c\u3070\u4e00\u6642\u7684\u306b <code>maxmemory<\/code> \u5b89\u5b9a\u6027\u3092\u9ad8\u3081\u308b\u305f\u3081\u306b\u308f\u305a\u304b\u306b\u5897\u52a0\u3055\u305b\u308b\u304b\u3001\u3042\u308b\u3044\u306f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6291\u5236\u3059\u308b\uff08\u30ec\u30fc\u30c8\u5236\u9650\uff0f\u30d0\u30c3\u30af\u30d7\u30ec\u30c3\u30b7\u30e3\u30fc\uff09\u3002.<\/li>\n  <li>\u30dd\u30ea\u30b7\u30fc\u306e\u8abf\u6574\uff1a\u300c\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u307f\u300d\u306e\u5834\u5408\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066 <strong>\u30aa\u30fc\u30eb\u30ad\u30fc\u30ba\u30fb\u30eb\u30fc<\/strong> \u3088\u308a\u7a4d\u6975\u7684\u306a\u30b9\u30da\u30fc\u30b9\u78ba\u4fdd\u3092\u884c\u3046\u305f\u3081\u306b\u5207\u308a\u66ff\u3048\u308b\uff1b\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u306e\u6025\u4e0a\u6607\u3092\u9632\u3050\u305f\u3081\u306bLazyfree\u3092\u6709\u52b9\u306b\u3059\u308b\u3002.<\/li>\n  <li>\u7684\u3092\u7d5e\u3063\u3066\u6574\u7406\u3059\u308b\uff1a\u91cd\u8981\u3067\u306a\u3044\u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u3092 <code>SCAN<\/code> + <code>UNLINK<\/code> \u524a\u9664\u3059\u308b\uff1bTTL\u3092\u78ba\u8a8d\u3057\u3001\u518d\u8aad\u307f\u8fbc\u307f\u306b\u3088\u3063\u3066\u30d7\u30e9\u30a4\u30de\u30ea\u30bd\u30fc\u30b9\u306b\u904e\u8ca0\u8377\u304c\u304b\u304b\u308b\u5834\u5408\u306f\u3001\u6709\u52b9\u671f\u9650\u304c\u77ed\u3059\u304e\u308b\u3082\u306e\u3092\u5ef6\u9577\u3059\u308b\u3002.<\/li>\n  <li>\u5927\u53e3\u9700\u8981\u5bb6\u306e\u7279\u5b9a\uff1a <code>--bigkeys<\/code>, <code>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf<\/code>, \u5927\u898f\u6a21\u306a\u30b9\u30c8\u30ea\u30fc\u30e0\uff0f\u30bd\u30fc\u30c8\u6e08\u307f\u30bb\u30c3\u30c8\uff1b\u30d7\u30ec\u30a6\u30a9\u30fc\u30e0\u7528\u306e\u30db\u30c3\u30c8\u30ad\u30fc\u3092\u30de\u30fc\u30af\u3059\u308b\u3002.<\/li>\n  <li>\u6c38\u7d9a\u6027\u306b\u6ce8\u610f\uff1aRDB\/AOF\u306e\u30ea\u30e9\u30a4\u30c8\u306f\u5b9f\u884c\u4e2d\u304b\uff1f\u5341\u5206\u306a\u4f59\u88d5\u3092\u78ba\u4fdd\u3059\u308b\u304b\u3001\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u305a\u3089\u3059\u3002.<\/li>\n  <li>\u518d\u5b89\u5b9a\u5316\uff1a\u306e\u5fae\u8abf\u6574 <code>maxmemory-samples<\/code>, LFU\u30d1\u30e9\u30e1\u30fc\u30bf\u3001\u30c7\u30d5\u30e9\u30b0\uff1b\u5b66\u7fd2\u52b9\u679c\u3092\u8a18\u9332\u3059\u308b\u3002.<\/li>\n  <li>\u6301\u7d9a\u7684\u306a\u4e88\u9632\u7b56\uff1a\u30ad\u30e3\u30d1\u30b7\u30c6\u30a3\u8a08\u753b\u306e\u66f4\u65b0\u3001\u30dd\u30ea\u30b7\u30fc\u3054\u3068\u306b\u500b\u5225\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u5c0e\u5165\u3001\u30e1\u30c8\u30ea\u30af\u30b9\u30a2\u30e9\u30fc\u30e0\u306e\u611f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u3002.<\/li>\n<\/ul>\n\n<h2>\u7dcf\u62ec<\/h2>\n\n<p>\u7d14\u7c8b\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u3064\u3044\u3066\u306f\u3001\u5b9f\u969b\u306b\u306f\u305f\u3044\u3066\u3044 <strong>allkeys-lfu<\/strong>, \u6700\u65b0\u30b3\u30f3\u30c6\u30f3\u30c4\u306f\u3053\u3061\u3089\u3067 <strong>\u30aa\u30fc\u30eb\u30ad\u30fc\u30ba\u30fb\u30eb\u30fc<\/strong>, \u3001\u6df7\u5408\u30c7\u30fc\u30bf\u306b\u306fvolatile-Policies\u3092\u3001\u6a5f\u5bc6\u30c7\u30fc\u30bf\u306b\u306fnoeviction\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u30a8\u30f4\u30a3\u30af\u30b7\u30e7\u30f3\u304c\u4e88\u6e2c\u53ef\u80fd\u3067\u4e88\u671f\u305b\u306c\u4e8b\u614b\u306a\u304f\u5b9f\u884c\u3055\u308c\u308b\u3088\u3046\u3001\u660e\u78ba\u306aTTL\u3001\u9069\u5207\u306a\u30e1\u30e2\u30ea\u4e88\u5099\u5bb9\u91cf\u3001\u305d\u3057\u3066\u53ef\u8996\u6027\u306e\u9ad8\u3044\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u304c\u4f9d\u7136\u3068\u3057\u3066\u4e0d\u53ef\u6b20\u3067\u3059\u3002 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