{"id":195099,"date":"2024-11-13T12:11:20","date_gmt":"2024-11-13T04:11:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195099\/"},"modified":"2024-11-13T12:11:22","modified_gmt":"2024-11-13T04:11:22","slug":"%e5%84%aa%e5%8c%96redis%e7%a9%ba%e9%96%93%ef%bc%8c%e6%8f%90%e5%8d%87%e7%99%bc%e9%80%81%e6%95%88%e7%8e%87%ef%bc%88%e7%99%bc%e9%80%81redis%e4%bd%bf%e7%94%a8%e7%a9%ba%e9%96%93%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195099\/","title":{"rendered":"\u512a\u5316Redis\u7a7a\u9593\uff0c\u63d0\u5347\u767c\u9001\u6548\u7387\uff08\u767c\u9001redis\u4f7f\u7528\u7a7a\u9593\uff09"},"content":{"rendered":"<h1 id=\"%e5%84%aa%e5%8c%96redis%e7%a9%ba%e9%96%93%ef%bc%8c%e6%8f%90%e5%8d%87%e7%99%bc%e9%80%81%e6%95%88%e7%8e%87%ef%bc%88%e7%99%bc%e9%80%81redis%e4%bd%bf%e7%94%a8%e7%a9%ba%e9%96%93%ef%bc%89-vsJtSjCctQ\">\u512a\u5316Redis\u7a7a\u9593\uff0c\u63d0\u5347\u767c\u9001\u6548\u7387\uff08\u767c\u9001Redis\u4f7f\u7528\u7a7a\u9593\uff09<\/h1>\n<p>Redis\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u6578\u64da\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002\u96a8\u8457\u61c9\u7528\u9700\u6c42\u7684\u589e\u9577\uff0c\u5982\u4f55\u512a\u5316Redis\u7684\u7a7a\u9593\u4f7f\u7528\u548c\u63d0\u5347\u767c\u9001\u6548\u7387\u6210\u70ba\u4e86\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u9700\u8981\u9762\u5c0d\u7684\u91cd\u8981\u8ab2\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5e7e\u7a2e\u6709\u6548\u7684\u512a\u5316\u7b56\u7565\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406Redis\u7684\u8cc7\u6e90\u3002<\/p>\n<h2 id=\"1-%e7%90%86%e8%a7%a3redis%e7%9a%84%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-vsJtSjCctQ\">1. \u7406\u89e3Redis\u7684\u6578\u64da\u7d50\u69cb<\/h2>\n<p>Redis\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5305\u62ec\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u3002\u6bcf\u7a2e\u6578\u64da\u7d50\u69cb\u90fd\u6709\u5176\u7279\u5b9a\u7684\u4f7f\u7528\u5834\u666f\u548c\u512a\u7f3a\u9ede\u3002\u4e86\u89e3\u9019\u4e9b\u6578\u64da\u7d50\u69cb\u7684\u7279\u6027\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u9078\u64c7\u6700\u5408\u9069\u7684\u7d50\u69cb\u4f86\u5b58\u5132\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u9ad8\u7a7a\u9593\u5229\u7528\u7387\u548c\u64cd\u4f5c\u6548\u7387\u3002<\/p>\n<h3 id=\"1-1-%e5%ad%97%e7%ac%a6%e4%b8%b2-vsJtSjCctQ\">1.1 \u5b57\u7b26\u4e32<\/h3>\n<p>\u5b57\u7b26\u4e32\u662fRedis\u4e2d\u6700\u57fa\u672c\u7684\u6578\u64da\u985e\u578b\uff0c\u9069\u5408\u5b58\u5132\u7c21\u55ae\u7684\u9375\u503c\u5c0d\u3002\u5c0d\u65bc\u5c0f\u578b\u6578\u64da\uff0c\u4f7f\u7528\u5b57\u7b26\u4e32\u53ef\u4ee5\u7372\u5f97\u8f03\u9ad8\u7684\u6027\u80fd\u3002<\/p>\n<h3 id=\"1-2-%e5%93%88%e5%b8%8c-vsJtSjCctQ\">1.2 \u54c8\u5e0c<\/h3>\n<p>\u54c8\u5e0c\u9069\u5408\u5b58\u5132\u5c0d\u8c61\uff0c\u80fd\u5920\u6709\u6548\u5730\u7bc0\u7701\u7a7a\u9593\u3002\u7576\u9700\u8981\u5b58\u5132\u5927\u91cf\u5c0f\u578b\u5c0d\u8c61\u6642\uff0c\u4f7f\u7528\u54c8\u5e0c\u7d50\u69cb\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u5167\u5b58\u4f7f\u7528\u3002<\/p>\n<h3 id=\"1-3-%e5%88%97%e8%a1%a8%e3%80%81%e9%9b%86%e5%90%88%e5%92%8c%e6%9c%89%e5%ba%8f%e9%9b%86%e5%90%88-vsJtSjCctQ\">1.3 \u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408<\/h3>\n<p>\u9019\u4e9b\u6578\u64da\u7d50\u69cb\u9069\u5408\u8655\u7406\u9700\u8981\u6392\u5e8f\u6216\u53bb\u91cd\u7684\u6578\u64da\u3002\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u7d50\u69cb\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u64cd\u4f5c\u7684\u6548\u7387\u3002<\/p>\n<h2 id=\"2-%e8%a8%ad%e5%ae%9a%e5%90%88%e7%90%86%e7%9a%84%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5-vsJtSjCctQ\">2. \u8a2d\u5b9a\u5408\u7406\u7684\u904e\u671f\u7b56\u7565<\/h2>\n<p>Redis\u652f\u6301\u70ba\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u9019\u5c0d\u65bc\u81e8\u6642\u6578\u64da\u7684\u7ba1\u7406\u5c24\u70ba\u91cd\u8981\u3002\u901a\u904e\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u53ef\u4ee5\u81ea\u52d5\u91cb\u653e\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u5f9e\u800c\u6e1b\u5c11\u5167\u5b58\u4f54\u7528\u3002<\/p>\n<pre><code>SET mykey \"value\" EX 60  # \u8a2d\u7f6emykey\u7684\u904e\u671f\u6642\u9593\u70ba60\u79d2\n<\/code><\/pre>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8%e5%a3%93%e7%b8%ae%e6%8a%80%e8%a1%93-vsJtSjCctQ\">3. \u4f7f\u7528\u58d3\u7e2e\u6280\u8853<\/h2>\n<p>\u5c0d\u65bc\u5927\u91cf\u6578\u64da\u7684\u5b58\u5132\uff0c\u4f7f\u7528\u58d3\u7e2e\u6280\u8853\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u5167\u5b58\u4f54\u7528\u3002Redis\u4e26\u4e0d\u5167\u5efa\u58d3\u7e2e\u529f\u80fd\uff0c\u4f46\u53ef\u4ee5\u5728\u61c9\u7528\u5c64\u9762\u9032\u884c\u6578\u64da\u58d3\u7e2e\uff0c\u4f8b\u5982\u4f7f\u7528gzip\u6216LZ4\u7b49\u58d3\u7e2e\u7b97\u6cd5\u3002<\/p>\n<pre><code>import gzip\n\ndata = b\"some data to compress\"\ncompressed_data = gzip.compress(data)\n<\/code><\/pre>\n<h2 id=\"4-%e7%9b%a3%e6%8e%a7%e5%92%8c%e8%aa%bf%e6%95%b4%e5%85%a7%e5%ad%98%e9%85%8d%e7%bd%ae-vsJtSjCctQ\">4. \u76e3\u63a7\u548c\u8abf\u6574\u5167\u5b58\u914d\u7f6e<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u5167\u5b58\u7ba1\u7406\u7b56\u7565\uff0c\u5982LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u548cLFU\uff08\u6700\u4e0d\u5e38\u4f7f\u7528\uff09\u3002\u6839\u64da\u5be6\u969b\u4f7f\u7528\u60c5\u6cc1\uff0c\u9078\u64c7\u5408\u9069\u7684\u5167\u5b58\u7ba1\u7406\u7b56\u7565\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u6027\u80fd\u3002<\/p>\n<pre><code>CONFIG SET maxmemory-policy allkeys-lru  # \u8a2d\u7f6e\u5167\u5b58\u7ba1\u7406\u7b56\u7565\u70baLRU\n<\/code><\/pre>\n<h2 id=\"5-%e5%ae%9a%e6%9c%9f%e6%b8%85%e7%90%86%e7%84%a1%e7%94%a8%e6%95%b8%e6%93%9a-vsJtSjCctQ\">5. \u5b9a\u671f\u6e05\u7406\u7121\u7528\u6578\u64da<\/h2>\n<p>\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0cRedis\u4e2d\u53ef\u80fd\u6703\u7a4d\u7d2f\u5927\u91cf\u7121\u7528\u6578\u64da\u3002\u5b9a\u671f\u9032\u884c\u6578\u64da\u6e05\u7406\uff0c\u53ef\u4ee5\u91cb\u653e\u7a7a\u9593\u4e26\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u7684SCAN\u547d\u4ee4\u4f86\u904d\u6b77\u9375\uff0c\u4e26\u6839\u64da\u696d\u52d9\u908f\u8f2f\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u3002<\/p>\n<pre><code>SCAN 0 MATCH pattern:* COUNT 100  # \u904d\u6b77\u9375\u4e26\u522a\u9664\u4e0d\u9700\u8981\u7684\u6578\u64da\n<\/code><\/pre>\n<h2 id=\"6-%e4%bd%bf%e7%94%a8%e9%9b%86%e7%be%a4%e6%a8%a1%e5%bc%8f-vsJtSjCctQ\">6. \u4f7f\u7528\u96c6\u7fa4\u6a21\u5f0f<\/h2>\n<p>\u7576\u55ae\u500bRedis\u5be6\u4f8b\u7121\u6cd5\u6eff\u8db3\u6027\u80fd\u9700\u6c42\u6642\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528Redis\u96c6\u7fa4\u3002\u96c6\u7fa4\u6a21\u5f0f\u53ef\u4ee5\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500b\u7bc0\u9ede\u4e0a\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u548c\u53ef\u7528\u6027\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-vsJtSjCctQ\">\u7e3d\u7d50<\/h2>\n<p>\u512a\u5316Redis\u7684\u7a7a\u9593\u4f7f\u7528\u548c\u63d0\u5347\u767c\u9001\u6548\u7387\u662f\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u7684\u95dc\u9375\u3002\u901a\u904e\u7406\u89e3\u6578\u64da\u7d50\u69cb\u3001\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u7b56\u7565\u3001\u4f7f\u7528\u58d3\u7e2e\u6280\u8853\u3001\u76e3\u63a7\u5167\u5b58\u914d\u7f6e\u3001\u5b9a\u671f\u6e05\u7406\u7121\u7528\u6578\u64da\u4ee5\u53ca\u8003\u616e\u96c6\u7fa4\u6a21\u5f0f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406Redis\u8cc7\u6e90\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u80fd\u9032\u4e00\u6b65\u63d0\u5347\u6027\u80fd\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u512a\u5316Redis\u7a7a\u9593\uff0c\u63d0\u5347\u767c\u9001\u6548\u7387\uff0c\u6e1b\u5c11\u8cc7\u6e90\u6d6a\u8cbb\uff0c\u78ba\u4fdd\u9ad8\u6548\u6578\u64da\u50b3\u8f38\uff0c\u8b93\u60a8\u7684\u61c9\u7528\u904b\u884c\u66f4\u6d41\u66a2\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-195099","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195099","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=195099"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195099\/revisions"}],"predecessor-version":[{"id":195100,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195099\/revisions\/195100"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195099"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195099"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195099"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}