{"id":43443,"date":"2024-12-01T09:01:31","date_gmt":"2024-12-01T01:01:31","guid":{"rendered":"https:\/\/fwq.ai\/blog\/43443\/"},"modified":"2024-12-01T09:01:31","modified_gmt":"2024-12-01T01:01:31","slug":"redis%e6%b7%b1%e5%85%a5%e4%ba%86%e8%a7%a3%e5%86%85%e5%ad%98%e6%b7%98%e6%b1%b0%e4%b8%8e%e4%ba%8b%e5%8a%a1%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/43443\/","title":{"rendered":"Redis\u6df1\u5165\u4e86\u89e3\u5185\u5b58\u6dd8\u6c70\u4e0e\u4e8b\u52a1\u64cd\u4f5c"},"content":{"rendered":"

<\/b> <\/p>\n

Redis\u6df1\u5165\u4e86\u89e3\u5185\u5b58\u6dd8\u6c70\u4e0e\u4e8b\u52a1\u64cd\u4f5c<\/h1>\n

<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929golang\u5b66\u4e60\u7f51\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300aRedis\u6df1\u5165\u4e86\u89e3\u5185\u5b58\u6dd8\u6c70\u4e0e\u4e8b\u52a1\u64cd\u4f5c\u300b\uff0c\u804a\u804a\u4e8b\u52a1\u64cd\u4f5c\u3001Redis\u5185\u5b58\u6dd8\u6c70\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n

Redis\u5185\u5b58\u6dd8\u6c70\u7b56\u7565<\/h2>\n

\u4e3a\u4ec0\u4e48\u8981\u6709\u6dd8\u6c70\u7b56\u7565\uff1f<\/p>\n

\u7b54\uff1a\u5c06Redis\u7528\u4f5c\u7f13\u5b58\u65f6\uff0cRedis\u6570\u636e\u5b58\u5728\u5185\u5b58\u4e2d\uff0c\u5982\u679c\u5185\u5b58\u7a7a\u95f4\u7528\u6ee1\uff0c\u5c31\u4f1a\u81ea\u52a8\u9a71\u9010\u8001\u7684\u6570\u636e\u3002<\/p>\n

redis\u914d\u7f6e\u6587\u4ef6\uff1a\u53ef\u4ee5\u914d\u7f6eredis\u5b58\u653e\u6570\u636e\u7684\u9608\u503c\uff08\u4f8b\u5982\uff1a100mb\uff09\uff0c\u518d\u914d\u7f6e\u6dd8\u6c70\u7b56\u7565\u3002<\/p>\n

\u516d\u79cd\u6dd8\u6c70\u7b56\u7565<\/h3>\n
    \n
  • noeviction\uff1a\u5f53\u5185\u5b58\u4f7f\u7528\u8fbe\u5230\u9608\u503c\u7684\u65f6\u5019\uff0c\u6240\u6709\u5f15\u8d77\u7533\u8bf7\u5185\u5b58\u7684\u547d\u4ee4\u4f1a\u62a5\u9519\u3002<\/li>\n
  • allkeys-lru\uff1a\u5728\u4e3b\u952e\u7a7a\u95f4\u4e2d\uff0c\u4f18\u5148\u79fb\u9664\u6700\u8fd1\u672a\u4f7f\u7528\u7684key\u3002(\u63a8\u8350)<\/li>\n
  • volatile-lru\uff1a\u5728\u8bbe\u7f6e\u4e86\u8fc7\u671f\u65f6\u95f4\u7684\u952e\u7a7a\u95f4\u4e2d\uff0c\u4f18\u5148\u79fb\u9664\u6700\u8fd1\u672a\u4f7f\u7528\u7684key\u3002<\/li>\n
  • allkeys-random\uff1a\u5728\u4e3b\u952e\u7a7a\u95f4\u4e2d\uff0c\u968f\u673a\u79fb\u9664\u67d0\u4e2akey\u3002<\/li>\n
  • volatile-random\uff1a\u5728\u8bbe\u7f6e\u4e86\u8fc7\u671f\u65f6\u95f4\u7684\u952e\u7a7a\u95f4\u4e2d\uff0c\u968f\u673a\u79fb\u9664\u67d0\u4e2akey\u3002<\/li>\n
  • volatile-ttl\uff1a\u5728\u8bbe\u7f6e\u4e86\u8fc7\u671f\u65f6\u95f4\u7684\u952e\u7a7a\u95f4\u4e2d\uff0c\u5177\u6709\u66f4\u65e9\u8fc7\u671f\u65f6\u95f4\u7684key\u4f18\u5148\u79fb\u9664\u3002<\/li>\n<\/ul>\n

    \u5982\u4f55\u914d\u7f6e\u6dd8\u6c70\u7b56\u7565\uff1f<\/p>\n

    \u5728redis.conf\u6587\u4ef6\u4e2d\uff0c \u8bbe\u7f6eRedis \u5185\u5b58\u5927\u5c0f\u7684\u9650\u5236\uff0c\u6211\u4eec\u53ef\u4ee5\u8bbe\u7f6emaxmemory \uff0c\u5f53\u6570\u636e\u8fbe\u5230\u9650\u5b9a\u5927\u5c0f\u540e\uff0c\u4f1a\u9009\u62e9\u914d\u7f6e\u7684\u7b56\u7565\u6dd8\u6c70\u6570\u636e\u3002<\/p>\n

    \u6bd4\u5982\uff1amaxmemory 300mb\u3002<\/p>\n

    \"Redis\u6df1\u5165\u4e86\u89e3\u5185\u5b58\u6dd8\u6c70\u4e0e\u4e8b\u52a1\u64cd\u4f5c\u63d2\u56fe\"<\/p>\n

    \u901a\u8fc7\u914d\u7f6e maxmemory-policy \u8bbe\u7f6eRedis\u7684\u6dd8\u6c70\u7b56\u7565\u3002\u6bd4\u5982\uff1amaxmemory-policy volatile-lru<\/p>\n

    \"Redis\u6df1\u5165\u4e86\u89e3\u5185\u5b58\u6dd8\u6c70\u4e0e\u4e8b\u52a1\u64cd\u4f5c\u63d2\u56fe1\"<\/p>\n

    Redis\u4e2d\u7684\u81ea\u52a8\u8fc7\u671f\u673a\u5236<\/h3>\n

    \u9996\u5148\u9700\u8981\u914d\u7f6eredis\u914d\u7f6e\u6587\u4ef6\uff0c\u5f00\u542f key \u5931\u6548\u76d1\u542c\u3002<\/p>\n

    \u5f53key\u5931\u6548\u65f6\uff0c\u53ef\u4ee5\u6267\u884c\u6211\u4eec\u7684\u5ba2\u6237\u7aef\u56de\u8c03\u76d1\u542c\u7684\u65b9\u6cd5\u3002<\/p>\n

    \u9700\u8981\u5728Redis\u4e2d\u914d\u7f6e\uff1anotify-keyspace-events \u201cEx\u201d<\/p>\n

    \u4ee3\u7801\u5728\u4e4b\u524d\u7684\u57fa\u7840\u4e0a\u589e\u52a0\uff1aSpringboot\u6574\u5408key\u5931\u6548\u76d1\u542c<\/p>\n

    RedisListenerConfig \u914d\u7f6e\u7c7b<\/p>\n

    @Configuration\npublic class RedisListenerConfig {\n    @Bean\n    RedisMessageListenerContainer container(RedisConnectionFactory connectionFactory) {\n        RedisMessageListenerContainer container = new RedisMessageListenerContainer();\n        container.setConnectionFactory(connectionFactory);\n        return container;\n    }\n}<\/pre>\n
    \u76d1\u542c key \u7684\u7c7b<\/p>\n
    @Component\npublic class RedisKeyExpirationListener extends KeyExpirationEventMessageListener {\n    public RedisKeyExpirationListener(RedisMessageListenerContainer listenerContainer) {\n        super(listenerContainer);\n    }\n    @Override\n    public void onMessage(Message message, byte[] pattern) {\n        String expiraKey = message.toString();\n        System.out.println(\"\u5931\u6548\u7684key\uff1a\" + expiraKey);\n    }\n}<\/pre>\n
    \u6ce8\u610f\uff1a\u5982\u679c\u662f\u591a\u4e2aspringboot\u9879\u76ee\u6216\u8005\u591a\u4e2a jvm \u670d\u52a1\u76d1\u542c\u540c\u4e00\u4e2akey\u7684\u8bdd\uff0c\u6bcf\u4e00\u4e2a jvm \u90fd\u4f1a\u76d1\u542c\u5230\u8fd9\u4e2akey\u5931\u6548\u5e76\u4e14\u6267\u884c\u76f8\u5e94\u7684\u903b\u8f91\u4ee3\u7801\u3002<\/p>\n
    \u591a\u670d\u52a1\uff08jvm\uff09\u76d1\u542cRedis key\u5931\u6548\u901a\u77e5\uff0c\u5982\u4f55\u4fdd\u8bc1\u53ea\u6709\u4e00\u4e2ajvm\u662f\u6267\u884c\u76d1\u542c\u7684\u4ee3\u7801\uff1f<\/p>\n
    \u7b54\uff1a\u53ef\u4ee5\u4f7f\u7528 zookeeper \u7684\u9009\u4e3e\u673a\u5236\uff0c\u591a\u4e2a\u670d\u52a1\u6ce8\u518c\u5230zookeeper\u4e2d\uff0c\u9009\u4e3e\u51fa\u4e00\u4e2aleader\uff0c\u7531\u4e3a leader \u7684jvm\u6765\u6267\u884c\u76d1\u542c\u4ee3\u7801\u3002<\/p>\n
    Redis\u4e2d\u7684\u4e8b\u52a1\u64cd\u4f5c<\/h2>\n
      \n
    • Multi \u5f00\u542f\u4e8b\u52a1<\/li>\n
    • EXEC \u63d0\u4ea4\u4e8b\u52a1<\/li>\n
    • Watch \u53ef\u4ee5\u76d1\u542c\u4e00\u4e2a\u6216\u8005\u591a\u4e2akey\uff0c\u5728\u63d0\u4ea4\u4e8b\u52a1\u4e4b\u524d\u662f\u5426\u6709\u53d1\u751f\u4e86\u53d8\u5316 \u5982\u679c\u53d1\u751f\u8fb9\u4e86\u53d8\u5316\u5c31\u4e0d\u4f1a\u63d0\u4ea4\u4e8b\u52a1\uff0c\u6ca1\u6709\u53d1\u751f\u53d8\u5316\u624d\u53ef\u4ee5\u63d0\u4ea4\u4e8b\u52a1 \u7248\u672c\u53f7\u7801 \u4e50\u89c2\u9501<\/li>\n
    • Discard \u53d6\u6d88\u63d0\u4ea4\u4e8b\u52a1<\/li>\n<\/ul>\n
      \u6ce8\u610f\uff1aRedis\u5b98\u65b9\u662f\u6ca1\u6709\u63d0\u4f9b\u56de\u6eda\u65b9\u6cd5\uff0c\u53ea\u63d0\u4f9b\u4e86\u53d6\u6d88\u4e8b\u52a1\u3002<\/p>\n
      Redis\u4e2d\u672c\u8eab\u5c31\u662f\u5355\u7ebf\u7a0b\u7684\u80fd\u591f\u4fdd\u8bc1\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\uff0c\u4e0d\u9700\u8981\u8003\u8651\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\u3002<\/p>\n
      \u53d6\u6d88\u4e8b\u52a1\u8ddf\u56de\u6eda\u6709\u4ec0\u4e48\u533a\u522b\u5462\uff1f\u4e3a\u4ec0\u4e48redis\u4e0d\u652f\u6301\u56de\u6eda\u4e8b\u52a1\uff1f<\/p>\n
      Mysql\u4e2d\u5f00\u542f\u4e86\u4e8b\u52a1\uff0c\u5bf9\u8be5\u884c\u6570\u636e\u4e0a\u884c\u9501\u2014\uff0cCommit \u6570\u636e\u53ef\u4ee5\u63d0\u4ea4<\/p>\n
      \u56de\u6eda\uff1a\u5bf9\u4e8b\u52a1\u53d6\u6d88\u548c\u884c\u9501\u90fd\u4f1a\u64a4\u9500<\/p>\n
      Redis\u6ca1\u6709\u56de\u6eda\u4e8b\u52a1\u7684\u6982\u5ff5\uff0c\u5355\u7eaf\u53d6\u6d88\u4e8b\u52a1\uff08\u4e0d\u63d0\u4ea4\u4e8b\u52a1\uff09 \u4e0d\u4e0a\u9501<\/p>\n
      watch\u548cMulti\u7684\u533a\u522b<\/h3>\n
      Watch\u76f8\u5f53\u4e8e\u4e50\u89c2\u9501\uff0c\u5728\u4e8b\u52a1\u63d0\u4ea4\u4e4b\u524d\u6ca1\u6709\u53d1\u751f\u53d8\u5316\u624d\u53ef\u4ee5\u63d0\u4ea4\u4e8b\u52a1\u3002<\/p>\n
      Multi \u5c31\u662f\u5f00\u542f\u4e8b\u52a1\uff0c\u64cd\u4f5c\u6570\u636e\u4e4b\u540e\u53ef\u4ee5\u63d0\u4ea4\u4e8b\u52a1\u6216\u8005\u53d6\u6d88\u63d0\u4ea4\u4e8b\u52a1\u3002<\/p>\n
      \u672c\u7bc7\u5173\u4e8e\u300aRedis\u6df1\u5165\u4e86\u89e3\u5185\u5b58\u6dd8\u6c70\u4e0e\u4e8b\u52a1\u64cd\u4f5c\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8golang\u5b66\u4e60\u7f51\u516c\u4f17\u53f7\uff01<\/p>\n
          \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1a\u811a\u672c\u4e4b\u5bb6 \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb \u5220\u9664  <\/p>\n
      \n
      \n <\/dt>\n
      \n   \u4f7f\u7528\u6ce8\u89e3\u5b9e\u73b0Redis\u7f13\u5b58\u529f\u80fd\n <\/dd>\n<\/dl>\n
      \n
      \n <\/dt>\n
      \n   redis\u7684string\u7c7b\u578b\u53cabitmap\u4ecb\u7ecd\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
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container.setConnectionFactory(connectionFactory); return container; } […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-43443","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/43443","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=43443"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/43443\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=43443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=43443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=43443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}