{"id":170111,"date":"2024-11-06T21:14:20","date_gmt":"2024-11-06T13:14:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/170111\/"},"modified":"2024-11-06T21:14:21","modified_gmt":"2024-11-06T13:14:21","slug":"%e6%8e%92%e6%9f%a5-redis-%e9%80%a3%e6%8e%a5%e6%b3%84%e6%bc%8f%e7%9a%84%e7%97%87%e7%8b%80%ef%bc%88redis-%e9%80%a3%e6%8e%a5%e4%b8%8d%e9%87%8b%e6%94%be%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/170111\/","title":{"rendered":"\u6392\u67e5 redis \u9023\u63a5\u6cc4\u6f0f\u7684\u75c7\u72c0\uff08redis \u9023\u63a5\u4e0d\u91cb\u653e\uff09"},"content":{"rendered":"<h1 id=\"%e6%8e%92%e6%9f%a5-redis-%e9%80%a3%e6%8e%a5%e6%b3%84%e6%bc%8f%e7%9a%84%e7%97%87%e7%8b%80%ef%bc%88redis-%e9%80%a3%e6%8e%a5%e4%b8%8d%e9%87%8b%e6%94%be%ef%bc%89-CfkNSOCQrG\">\u6392\u67e5 Redis \u9023\u63a5\u6cc4\u6f0f\u7684\u75c7\u72c0\uff08Redis \u9023\u63a5\u4e0d\u91cb\u653e\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u67b6\u69cb\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\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\u6301\u4e45\u5316\u7b49\u5834\u666f\u3002\u7136\u800c\uff0c\u96a8\u8457\u61c9\u7528\u7684\u589e\u9577\u548c\u8907\u96dc\u6027\u589e\u52a0\uff0cRedis \u9023\u63a5\u6cc4\u6f0f\u7684\u554f\u984c\u4e5f\u9010\u6f38\u6d6e\u73fe\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u9023\u63a5\u6cc4\u6f0f\u7684\u75c7\u72c0\u53ca\u5176\u6392\u67e5\u65b9\u6cd5\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u548c\u512a\u5316 Redis \u9023\u63a5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e9%80%a3%e6%8e%a5%e6%b3%84%e6%bc%8f%ef%bc%9f-CfkNSOCQrG\">\u4ec0\u9ebc\u662f Redis \u9023\u63a5\u6cc4\u6f0f\uff1f<\/h2>\n<p>Redis \u9023\u63a5\u6cc4\u6f0f\u662f\u6307\u61c9\u7528\u7a0b\u5f0f\u5728\u4f7f\u7528 Redis \u9023\u63a5\u6642\uff0c\u672a\u80fd\u6b63\u78ba\u91cb\u653e\u5df2\u7d93\u5efa\u7acb\u7684\u9023\u63a5\uff0c\u5c0e\u81f4\u53ef\u7528\u9023\u63a5\u6578\u91cf\u9010\u6f38\u6e1b\u5c11\uff0c\u6700\u7d42\u53ef\u80fd\u5c0e\u81f4\u61c9\u7528\u7121\u6cd5\u518d\u5efa\u7acb\u65b0\u7684\u9023\u63a5\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u6703\u5f71\u97ff\u61c9\u7528\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\uff0c\u751a\u81f3\u5c0e\u81f4\u670d\u52d9\u4e2d\u65b7\u3002<\/p>\n<h2 id=\"redis-%e9%80%a3%e6%8e%a5%e6%b3%84%e6%bc%8f%e7%9a%84%e7%97%87%e7%8b%80-CfkNSOCQrG\">Redis \u9023\u63a5\u6cc4\u6f0f\u7684\u75c7\u72c0<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684 Redis \u9023\u63a5\u6cc4\u6f0f\u75c7\u72c0\uff1a<\/p>\n<ul>\n<li><strong>\u9023\u63a5\u6578\u91cf\u6301\u7e8c\u589e\u52a0\uff1a<\/strong>\u4f7f\u7528\u547d\u4ee4 <code>INFO clients<\/code> \u53ef\u4ee5\u67e5\u770b\u7576\u524d\u7684\u9023\u63a5\u6578\u91cf\u3002\u5982\u679c\u9023\u63a5\u6578\u91cf\u6301\u7e8c\u589e\u52a0\u800c\u4e0d\u6e1b\u5c11\uff0c\u5247\u53ef\u80fd\u5b58\u5728\u9023\u63a5\u6cc4\u6f0f\u3002<\/li>\n<li><strong>\u61c9\u7528\u6027\u80fd\u4e0b\u964d\uff1a<\/strong>\u7576\u53ef\u7528\u9023\u63a5\u6578\u91cf\u6e1b\u5c11\u6642\uff0c\u61c9\u7528\u7684\u97ff\u61c9\u6642\u9593\u53ef\u80fd\u6703\u589e\u52a0\uff0c\u751a\u81f3\u51fa\u73fe\u8d85\u6642\u932f\u8aa4\u3002<\/li>\n<li><strong>Redis \u670d\u52d9\u5668\u5831\u932f\uff1a<\/strong>\u7576\u9023\u63a5\u6578\u9054\u5230 Redis \u7684\u6700\u5927\u9650\u5236\u6642\uff0cRedis \u53ef\u80fd\u6703\u8fd4\u56de\u932f\u8aa4\u4fe1\u606f\uff0c\u4f8b\u5982 <code>ERR max number of clients reached<\/code>\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u6d88\u8017\u7570\u5e38\uff1a<\/strong>\u76e3\u63a7 Redis \u670d\u52d9\u5668\u7684 CPU \u548c\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u82e5\u767c\u73fe\u8cc7\u6e90\u6d88\u8017\u7570\u5e38\uff0c\u53ef\u80fd\u662f\u7531\u65bc\u9023\u63a5\u6cc4\u6f0f\u5c0e\u81f4\u7684\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%8e%92%e6%9f%a5-redis-%e9%80%a3%e6%8e%a5%e6%b3%84%e6%bc%8f%e7%9a%84%e6%96%b9%e6%b3%95-CfkNSOCQrG\">\u6392\u67e5 Redis \u9023\u63a5\u6cc4\u6f0f\u7684\u65b9\u6cd5<\/h2>\n<p>\u70ba\u4e86\u6709\u6548\u6392\u67e5 Redis \u9023\u63a5\u6cc4\u6f0f\u554f\u984c\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%87%89%e7%94%a8%e7%a8%8b%e5%bc%8f%e4%bb%a3%e7%a2%bc-CfkNSOCQrG\">1. \u6aa2\u67e5\u61c9\u7528\u7a0b\u5f0f\u4ee3\u78bc<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u61c9\u7528\u7a0b\u5f0f\u4e2d\u8207 Redis \u9023\u63a5\u76f8\u95dc\u7684\u4ee3\u78bc\u3002\u78ba\u4fdd\u6bcf\u6b21\u5efa\u7acb\u9023\u63a5\u5f8c\uff0c\u90fd\u80fd\u6b63\u78ba\u95dc\u9589\u6216\u91cb\u653e\u9023\u63a5\u3002\u4f8b\u5982\uff0c\u5728\u4f7f\u7528 Redis \u5ba2\u6236\u7aef\u6642\uff0c\u61c9\u4f7f\u7528 <code>try-finally<\/code> \u7d50\u69cb\u4f86\u78ba\u4fdd\u9023\u63a5\u7684\u91cb\u653e\uff1a<\/p>\n<pre><code>RedisConnection connection = null;\ntry {\n    connection = redisClient.connect();\n    \/\/ \u57f7\u884c Redis \u64cd\u4f5c\n} finally {\n    if (connection != null) {\n        connection.close();\n    }\n}<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e9%80%a3%e6%8e%a5%e6%b1%a0-CfkNSOCQrG\">2. \u4f7f\u7528\u9023\u63a5\u6c60<\/h3>\n<p>\u4f7f\u7528\u9023\u63a5\u6c60\u53ef\u4ee5\u6709\u6548\u7ba1\u7406 Redis \u9023\u63a5\uff0c\u907f\u514d\u983b\u7e41\u5efa\u7acb\u548c\u95dc\u9589\u9023\u63a5\u3002\u78ba\u4fdd\u5728\u4f7f\u7528\u9023\u63a5\u6c60\u6642\uff0c\u6b63\u78ba\u5730\u6b78\u9084\u9023\u63a5\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 <code>JedisPool<\/code> \u6642\uff0c\u61c9\u78ba\u4fdd\u5728\u4f7f\u7528\u5f8c\u5c07\u9023\u63a5\u6b78\u9084\u5230\u6c60\u4e2d\uff1a<\/p>\n<pre><code>Jedis jedis = jedisPool.getResource();\ntry {\n    \/\/ \u57f7\u884c Redis \u64cd\u4f5c\n} finally {\n    jedis.close(); \/\/ \u5c07\u9023\u63a5\u6b78\u9084\u5230\u6c60\u4e2d\n}<\/code><\/pre>\n<h3 id=\"3-%e7%9b%a3%e6%8e%a7%e5%92%8c%e6%97%a5%e8%aa%8c%e8%a8%98%e9%8c%84-CfkNSOCQrG\">3. \u76e3\u63a7\u548c\u65e5\u8a8c\u8a18\u9304<\/h3>\n<p>\u5b9a\u671f\u76e3\u63a7 Redis \u7684\u6027\u80fd\u6307\u6a19\uff0c\u4e26\u8a18\u9304\u61c9\u7528\u7a0b\u5f0f\u7684\u65e5\u8a8c\uff0c\u4ee5\u4fbf\u53ca\u6642\u767c\u73fe\u7570\u5e38\u60c5\u6cc1\u3002\u53ef\u4ee5\u4f7f\u7528\u5de5\u5177\u5982 <code>Redis Monitor<\/code> \u6216 <code>Redis-cli<\/code> \u4f86\u76e3\u63a7\u9023\u63a5\u72c0\u614b\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-CfkNSOCQrG\">\u7d50\u8ad6<\/h2>\n<p>Redis \u9023\u63a5\u6cc4\u6f0f\u662f\u4e00\u500b\u5e38\u898b\u4f46\u56b4\u91cd\u7684\u554f\u984c\uff0c\u53ef\u80fd\u6703\u5f71\u97ff\u61c9\u7528\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u901a\u904e\u6aa2\u67e5\u4ee3\u78bc\u3001\u4f7f\u7528\u9023\u63a5\u6c60\u4ee5\u53ca\u9032\u884c\u6709\u6548\u7684\u76e3\u63a7\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6392\u67e5\u548c\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u4ee5\u78ba\u4fdd Redis \u670d\u52d9\u7684\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6392\u67e5 Redis \u8fde\u63a5\u6cc4\u6f0f\u7684\u75c7\u72b6\uff0c\u8bc6\u522b\u8fde\u63a5\u4e0d\u91ca\u653e\u7684\u539f\u56e0\uff0c\u786e\u4fdd\u7cfb\u7edf\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\uff0c\u907f\u514d\u8d44\u6e90\u6d6a\u8d39\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-170111","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/170111","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=170111"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/170111\/revisions"}],"predecessor-version":[{"id":170112,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/170111\/revisions\/170112"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=170111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=170111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=170111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}