{"id":179388,"date":"2024-11-09T01:24:28","date_gmt":"2024-11-08T17:24:28","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179388\/"},"modified":"2024-11-09T01:24:28","modified_gmt":"2024-11-08T17:24:28","slug":"%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96-redis-%e5%85%a7%e5%ad%98%e5%ae%b9%e9%87%8f%ef%bc%88redis-%e9%85%8d%e7%bd%ae%e5%ae%b9%e9%87%8f%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179388\/","title":{"rendered":"\u5982\u4f55\u512a\u5316 Redis \u5167\u5b58\u5bb9\u91cf\uff08redis \u914d\u7f6e\u5bb9\u91cf\uff09"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96-redis-%e5%85%a7%e5%ad%98%e5%ae%b9%e9%87%8f%ef%bc%88redis-%e9%85%8d%e7%bd%ae%e5%ae%b9%e9%87%8f%ef%bc%89-lfOCzgIwcd\">\u5982\u4f55\u512a\u5316 Redis \u5167\u5b58\u5bb9\u91cf\uff08redis \u914d\u7f6e\u5bb9\u91cf\uff09<\/h1>\n<p>Redis \u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5eab\u7b49\u5834\u666f\u3002\u7531\u65bc\u5176\u5728\u5167\u5b58\u4e2d\u904b\u884c\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u512a\u5316 Redis \u7684\u5167\u5b58\u5bb9\u91cf\u6210\u70ba\u4e86\u8a31\u591a\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u7684\u91cd\u8981\u8ab2\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5e7e\u7a2e\u512a\u5316 Redis \u5167\u5b58\u5bb9\u91cf\u7684\u65b9\u6cd5\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u914d\u7f6e\u548c\u4f7f\u7528 Redis\u3002<\/p>\n<h2 id=\"1-%e7%90%86%e8%a7%a3-redis-%e7%9a%84%e5%85%a7%e5%ad%98%e7%ae%a1%e7%90%86-lfOCzgIwcd\">1. \u7406\u89e3 Redis \u7684\u5167\u5b58\u7ba1\u7406<\/h2>\n<p>Redis \u4f7f\u7528\u4e00\u7a2e\u7a31\u70ba\u300c\u5167\u5b58\u6578\u64da\u7d50\u69cb\u300d\u7684\u65b9\u5f0f\u4f86\u5b58\u5132\u6578\u64da\u3002\u9019\u4e9b\u6578\u64da\u7d50\u69cb\u5305\u62ec\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u7b49\u3002\u6bcf\u7a2e\u6578\u64da\u7d50\u69cb\u7684\u5167\u5b58\u4f7f\u7528\u65b9\u5f0f\u4e0d\u540c\uff0c\u56e0\u6b64\u5728\u914d\u7f6e Redis \u6642\uff0c\u4e86\u89e3\u9019\u4e9b\u6578\u64da\u7d50\u69cb\u7684\u7279\u6027\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<h2 id=\"2-%e8%a8%ad%e5%ae%9a%e6%9c%80%e5%a4%a7%e5%85%a7%e5%ad%98%e9%99%90%e5%88%b6-lfOCzgIwcd\">2. \u8a2d\u5b9a\u6700\u5927\u5167\u5b58\u9650\u5236<\/h2>\n<p>Redis \u5141\u8a31\u7528\u6236\u8a2d\u5b9a\u6700\u5927\u5167\u5b58\u9650\u5236\uff0c\u9019\u53ef\u4ee5\u901a\u904e\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684 <code>maxmemory<\/code> \u53c3\u6578\u4f86\u5be6\u73fe\u3002\u7576 Redis \u7684\u5167\u5b58\u4f7f\u7528\u91cf\u9054\u5230\u9019\u500b\u9650\u5236\u6642\uff0c\u5c07\u6839\u64da\u914d\u7f6e\u7684\u9a45\u9010\u7b56\u7565\u4f86\u91cb\u653e\u5167\u5b58\u3002\u4ee5\u4e0b\u662f\u8a2d\u5b9a\u6700\u5927\u5167\u5b58\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>maxmemory 2gb<\/code><\/pre>\n<p>\u9019\u6a23\u8a2d\u5b9a\u5f8c\uff0cRedis \u5c07\u9650\u5236\u5176\u5167\u5b58\u4f7f\u7528\u91cf\u70ba 2GB\u3002<\/p>\n<h2 id=\"3-%e9%81%b8%e6%93%87%e5%90%88%e9%81%a9%e7%9a%84%e9%a9%85%e9%80%90%e7%ad%96%e7%95%a5-lfOCzgIwcd\">3. \u9078\u64c7\u5408\u9069\u7684\u9a45\u9010\u7b56\u7565<\/h2>\n<p>\u7576 Redis \u9054\u5230\u6700\u5927\u5167\u5b58\u9650\u5236\u6642\uff0c\u9a45\u9010\u7b56\u7565\u6c7a\u5b9a\u4e86\u54ea\u4e9b\u6578\u64da\u5c07\u88ab\u522a\u9664\u3002Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u9a45\u9010\u7b56\u7565\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>noeviction<\/strong>\uff1a\u4e0d\u9a45\u9010\u4efb\u4f55\u6578\u64da\uff0c\u7576\u5167\u5b58\u6eff\u6642\uff0c\u5beb\u5165\u64cd\u4f5c\u5c07\u8fd4\u56de\u932f\u8aa4\u3002<\/li>\n<li><strong>allkeys-lru<\/strong>\uff1a\u5f9e\u6240\u6709\u9375\u4e2d\u4f7f\u7528 LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7b97\u6cd5\u9a45\u9010\u6578\u64da\u3002<\/li>\n<li><strong>volatile-lru<\/strong>\uff1a\u50c5\u5f9e\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u4e2d\u4f7f\u7528 LRU \u7b97\u6cd5\u9a45\u9010\u6578\u64da\u3002<\/li>\n<li><strong>allkeys-random<\/strong>\uff1a\u96a8\u6a5f\u9a45\u9010\u4efb\u610f\u9375\u3002<\/li>\n<li><strong>volatile-random<\/strong>\uff1a\u96a8\u6a5f\u9a45\u9010\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u3002<\/li>\n<\/ul>\n<p>\u9078\u64c7\u5408\u9069\u7684\u9a45\u9010\u7b56\u7565\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u7ba1\u7406\u5167\u5b58\uff0c\u6839\u64da\u5be6\u969b\u9700\u6c42\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8%e5%a3%93%e7%b8%ae%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-lfOCzgIwcd\">4. \u4f7f\u7528\u58d3\u7e2e\u6578\u64da\u7d50\u69cb<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u4e00\u4e9b\u58d3\u7e2e\u6578\u64da\u7d50\u69cb\u7684\u9078\u9805\uff0c\u4f8b\u5982 <code>ziplist<\/code> \u548c <code>intset<\/code>\u3002\u9019\u4e9b\u6578\u64da\u7d50\u69cb\u5728\u5b58\u5132\u5c0f\u578b\u6578\u64da\u6642\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u5167\u5b58\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u7576\u54c8\u5e0c\u8868\u7684\u9375\u503c\u5c0d\u6578\u91cf\u8f03\u5c11\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>ziplist<\/code> \u4f86\u7bc0\u7701\u5167\u5b58\uff1a<\/p>\n<pre><code>hash-max-ziplist-entries 512\nhash-max-ziplist-value 64<\/code><\/pre>\n<p>\u9019\u6a23\u8a2d\u5b9a\u5f8c\uff0c\u7576\u54c8\u5e0c\u8868\u7684\u9375\u503c\u5c0d\u6578\u91cf\u5c0f\u65bc 512 \u4e14\u6bcf\u500b\u503c\u5c0f\u65bc 64 \u5b57\u7bc0\u6642\uff0cRedis \u5c07\u4f7f\u7528 <code>ziplist<\/code> \u4f86\u5b58\u5132\u6578\u64da\u3002<\/p>\n<h2 id=\"5-%e5%ae%9a%e6%9c%9f%e6%b8%85%e7%90%86%e9%81%8e%e6%9c%9f%e6%95%b8%e6%93%9a-lfOCzgIwcd\">5. \u5b9a\u671f\u6e05\u7406\u904e\u671f\u6578\u64da<\/h2>\n<p>Redis \u652f\u6301\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u5b9a\u671f\u6e05\u7406\u904e\u671f\u6578\u64da\u53ef\u4ee5\u6709\u6548\u91cb\u653e\u5167\u5b58\u3002\u7528\u6236\u53ef\u4ee5\u901a\u904e <code>EXPIRE<\/code> \u547d\u4ee4\u4f86\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff1a<\/p>\n<pre><code>EXPIRE mykey 60<\/code><\/pre>\n<p>\u9019\u6a23\u8a2d\u5b9a\u5f8c\uff0c<code>mykey<\/code> \u5c07\u5728 60 \u79d2\u5f8c\u81ea\u52d5\u522a\u9664\u3002<\/p>\n<h2 id=\"6-%e7%9b%a3%e6%8e%a7%e5%85%a7%e5%ad%98%e4%bd%bf%e7%94%a8%e6%83%85%e6%b3%81-lfOCzgIwcd\">6. \u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1<\/h2>\n<p>\u4f7f\u7528 <code>INFO memory<\/code> \u547d\u4ee4\u53ef\u4ee5\u67e5\u770b Redis \u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u9019\u6709\u52a9\u65bc\u7528\u6236\u4e86\u89e3\u7576\u524d\u7684\u5167\u5b58\u72c0\u614b\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u8abf\u6574\u3002\u4ee5\u4e0b\u662f\u67e5\u770b\u5167\u5b58\u4fe1\u606f\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>INFO memory<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u6709\u95dc\u5167\u5b58\u4f7f\u7528\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5305\u62ec\u5df2\u7528\u5167\u5b58\u3001\u6700\u5927\u5167\u5b58\u548c\u5167\u5b58\u788e\u7247\u7387\u7b49\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-lfOCzgIwcd\">\u7e3d\u7d50<\/h2>\n<p>\u512a\u5316 Redis \u7684\u5167\u5b58\u5bb9\u91cf\u662f\u4e00\u500b\u591a\u65b9\u9762\u7684\u904e\u7a0b\uff0c\u6d89\u53ca\u5230\u5408\u7406\u914d\u7f6e\u6700\u5927\u5167\u5b58\u3001\u9078\u64c7\u5408\u9069\u7684\u9a45\u9010\u7b56\u7565\u3001\u4f7f\u7528\u58d3\u7e2e\u6578\u64da\u7d50\u69cb\u3001\u5b9a\u671f\u6e05\u7406\u904e\u671f\u6578\u64da\u4ee5\u53ca\u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u7b49\u3002\u901a\u904e\u9019\u4e9b\u65b9\u6cd5\uff0c\u7528\u6236\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406 Redis \u7684\u5167\u5b58\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u904b\u884c Redis \u548c\u5176\u4ed6\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u512a\u5316 Redis \u5167\u5b58\u5bb9\u91cf\uff0c\u900f\u904e\u914d\u7f6e\u8abf\u6574\u63d0\u5347\u6027\u80fd\uff0c\u78ba\u4fdd\u9ad8\u6548\u6578\u64da\u5b58\u5132\u8207\u7ba1\u7406\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-179388","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179388","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=179388"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179388\/revisions"}],"predecessor-version":[{"id":179389,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179388\/revisions\/179389"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179388"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179388"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179388"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}