{"id":1742,"date":"2021-08-02T15:55:08","date_gmt":"2021-08-02T07:55:08","guid":{"rendered":"https:\/\/egonlin.com\/?p=1742"},"modified":"2022-02-07T17:19:18","modified_gmt":"2022-02-07T09:19:18","slug":"redis%e5%b8%b8%e8%a7%81%e9%9d%a2%e8%af%95%e9%a2%98","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=1742","title":{"rendered":"redis\u5e38\u89c1\u9762\u8bd5\u9898"},"content":{"rendered":"

1\u3001\u4ec0\u4e48\u662fRedis\uff1f<\/h3>\n
\n

Redis\u672c\u8d28\u4e0a\u662f\u4e00\u4e2aKey-Value\u7c7b\u578b\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u5f88\u50cfmemcached\uff0c\u6574\u4e2a\u6570\u636e\u5e93\u7edf\u7edf\u52a0\u8f7d\u5728\u5185\u5b58\u5f53\u4e2d\u8fdb\u884c\u64cd\u4f5c\uff0c\u5b9a\u671f\u901a\u8fc7\u5f02\u6b65\u64cd\u4f5c\u628a\u6570\u636e\u5e93\u6570\u636eflush\u5230\u786c\u76d8\u4e0a\u8fdb\u884c\u4fdd\u5b58\u3002\u56e0\u4e3a\u662f\u7eaf\u5185\u5b58\u64cd\u4f5c\uff0cRedis\u7684\u6027\u80fd\u975e\u5e38\u51fa\u8272\uff0c\u6bcf\u79d2\u53ef\u4ee5\u5904\u7406\u8d85\u8fc7 10\u4e07\u6b21\u8bfb\u5199\u64cd\u4f5c\uff0c\u662f\u5df2\u77e5\u6027\u80fd\u6700\u5feb\u7684Key-Value DB\u3002 Redis\u7684\u51fa\u8272\u4e4b\u5904\u4e0d\u4ec5\u4ec5\u662f\u6027\u80fd\uff0cRedis\u6700\u5927\u7684\u9b45\u529b\u662f\u652f\u6301\u4fdd\u5b58\u591a\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u6b64\u5916\u5355\u4e2avalue\u7684\u6700\u5927\u9650\u5236\u662f1GB\uff0c\u4e0d\u50cf memcached\u53ea\u80fd\u4fdd\u5b581MB\u7684\u6570\u636e\uff0c\u56e0\u6b64Redis\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u5f88\u591a\u6709\u7528\u7684\u529f\u80fd\uff0c\u6bd4\u65b9\u8bf4\u7528\u4ed6\u7684List\u6765\u505aFIFO\u53cc\u5411\u94fe\u8868\uff0c\u5b9e\u73b0\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684\u9ad8\u6027 \u80fd\u6d88\u606f\u961f\u5217\u670d\u52a1\uff0c\u7528\u4ed6\u7684Set\u53ef\u4ee5\u505a\u9ad8\u6027\u80fd\u7684tag\u7cfb\u7edf\u7b49\u7b49\u3002\u53e6\u5916Redis\u4e5f\u53ef\u4ee5\u5bf9\u5b58\u5165\u7684Key-Value\u8bbe\u7f6eexpire\u65f6\u95f4\uff0c\u56e0\u6b64\u4e5f\u53ef\u4ee5\u88ab\u5f53\u4f5c\u4e00 \u4e2a\u529f\u80fd\u52a0\u5f3a\u7248\u7684memcached\u6765\u7528\u3002 Redis\u7684\u4e3b\u8981\u7f3a\u70b9\u662f\u6570\u636e\u5e93\u5bb9\u91cf\u53d7\u5230\u7269\u7406\u5185\u5b58\u7684\u9650\u5236\uff0c\u4e0d\u80fd\u7528\u4f5c\u6d77\u91cf\u6570\u636e\u7684\u9ad8\u6027\u80fd\u8bfb\u5199\uff0c\u56e0\u6b64Redis\u9002\u5408\u7684\u573a\u666f\u4e3b\u8981\u5c40\u9650\u5728\u8f83\u5c0f\u6570\u636e\u91cf\u7684\u9ad8\u6027\u80fd\u64cd\u4f5c\u548c\u8fd0\u7b97\u4e0a\u3002<\/p>\n<\/blockquote>\n

2\u3001Redis\u76f8\u6bd4memcached\u6709\u54ea\u4e9b\u4f18\u52bf\uff1f<\/h3>\n
\n

(1) memcached\u6240\u6709\u7684\u503c\u5747\u662f\u7b80\u5355\u7684\u5b57\u7b26\u4e32\uff0credis\u4f5c\u4e3a\u5176\u66ff\u4ee3\u8005\uff0c\u652f\u6301\u66f4\u4e3a\u4e30\u5bcc\u7684\u6570\u636e\u7c7b\u578b<\/p>\n

(2) redis\u7684\u901f\u5ea6\u6bd4memcached\u5feb\u5f88\u591a<\/p>\n

(3) redis\u53ef\u4ee5\u6301\u4e45\u5316\u5176\u6570\u636e<\/p>\n<\/blockquote>\n

3\u3001Redis\u652f\u6301\u54ea\u51e0\u79cd\u6570\u636e\u7c7b\u578b\uff1f<\/h3>\n
\n

String\u3001List\u3001Set\u3001Sorted Set\u3001hashes<\/p>\n<\/blockquote>\n

4\u3001Redis\u4e3b\u8981\u6d88\u8017\u4ec0\u4e48\u7269\u7406\u8d44\u6e90\uff1f<\/h3>\n

redis\u662f\u4e00\u79cd\u57fa\u4e8e\u5185\u5b58\u9ad8\u6027\u80fd\u7684\u6570\u636e\u5e93— \u4e3b\u8981\u4f9d\u8d56\u4e8e\u5185\u5b58<\/p>\n

\n

\u5185\u5b58\u3002<\/p>\n<\/blockquote>\n

5\u3001Redis\u7684\u5168\u79f0\u662f\u4ec0\u4e48\uff1f<\/h3>\n
\n

Remote Dictionary Server\u3002<\/p>\n<\/blockquote>\n

6\u3001Redis\u6709\u54ea\u51e0\u79cd\u6570\u636e\u6dd8\u6c70\u7b56\u7565\uff1f<\/h3>\n
\n

noeviction:\u8fd4\u56de\u9519\u8bef\u5f53\u5185\u5b58\u9650\u5236\u8fbe\u5230\u5e76\u4e14\u5ba2\u6237\u7aef\u5c1d\u8bd5\u6267\u884c\u4f1a\u8ba9\u66f4\u591a\u5185\u5b58\u88ab\u4f7f\u7528\u7684\u547d\u4ee4\uff08\u5927\u90e8\u5206\u7684\u5199\u5165\u6307\u4ee4\uff0c\u4f46DEL\u548c\u51e0\u4e2a\u4f8b\u5916\uff09 <\/p>\n

allkeys-lru: \u5c1d\u8bd5\u56de\u6536\u6700\u5c11\u4f7f\u7528\u7684\u952e\uff08LRU\uff09\uff0c\u4f7f\u5f97\u65b0\u6dfb\u52a0\u7684\u6570\u636e\u6709\u7a7a\u95f4\u5b58\u653e\u3002<\/p>\n

volatile-lru: \u5c1d\u8bd5\u56de\u6536\u6700\u5c11\u4f7f\u7528\u7684\u952e\uff08LRU\uff09\uff0c\u4f46\u4ec5\u9650\u4e8e\u5728\u8fc7\u671f\u96c6\u5408\u7684\u952e,\u4f7f\u5f97\u65b0\u6dfb\u52a0\u7684\u6570\u636e\u6709\u7a7a\u95f4\u5b58\u653e\u3002<\/p>\n

allkeys-random: \u56de\u6536\u968f\u673a\u7684\u952e\u4f7f\u5f97\u65b0\u6dfb\u52a0\u7684\u6570\u636e\u6709\u7a7a\u95f4\u5b58\u653e\u3002<\/p>\n

volatile-random: \u56de\u6536\u968f\u673a\u7684\u952e\u4f7f\u5f97\u65b0\u6dfb\u52a0\u7684\u6570\u636e\u6709\u7a7a\u95f4\u5b58\u653e\uff0c\u4f46\u4ec5\u9650\u4e8e\u5728\u8fc7\u671f\u96c6\u5408\u7684\u952e\u3002<\/p>\n

volatile-ttl: \u56de\u6536\u5728\u8fc7\u671f\u96c6\u5408\u7684\u952e\uff0c\u5e76\u4e14\u4f18\u5148\u56de\u6536\u5b58\u6d3b\u65f6\u95f4\uff08TTL\uff09\u8f83\u77ed\u7684\u952e,\u4f7f\u5f97\u65b0\u6dfb\u52a0\u7684\u6570\u636e\u6709\u7a7a\u95f4\u5b58\u653e\u3002<\/p>\n<\/blockquote>\n

7\u3001Redis\u5b98\u65b9\u4e3a\u4ec0\u4e48\u4e0d\u63d0\u4f9bWindows\u7248\u672c\uff1f<\/h3>\n
\n

\u56e0\u4e3a\u76ee\u524dLinux\u7248\u672c\u5df2\u7ecf\u76f8\u5f53\u7a33\u5b9a\uff0c\u800c\u4e14\u7528\u6237\u91cf\u5f88\u5927\uff0c\u65e0\u9700\u5f00\u53d1windows\u7248\u672c\uff0c\u53cd\u800c\u4f1a\u5e26\u6765\u517c\u5bb9\u6027\u7b49\u95ee\u9898\u3002<\/p>\n<\/blockquote>\n

8\u3001\u4e00\u4e2a\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u503c\u80fd\u5b58\u50a8\u6700\u5927\u5bb9\u91cf\u662f\u591a\u5c11\uff1f<\/h3>\n
\n

512M<\/p>\n<\/blockquote>\n

9\u3001\u4e3a\u4ec0\u4e48Redis\u9700\u8981\u628a\u6240\u6709\u6570\u636e\u653e\u5230\u5185\u5b58\u4e2d\uff1f<\/h3>\n
\n

Redis\u4e3a\u4e86\u8fbe\u5230\u6700\u5feb\u7684\u8bfb\u5199\u901f\u5ea6\u5c06\u6570\u636e\u90fd\u8bfb\u5230\u5185\u5b58\u4e2d\uff0c\u5e76\u901a\u8fc7\u5f02\u6b65\u7684\u65b9\u5f0f\u5c06\u6570\u636e\u5199\u5165\u78c1\u76d8\u3002\u6240\u4ee5redis\u5177\u6709\u5feb\u901f\u548c\u6570\u636e\u6301\u4e45\u5316\u7684\u7279\u5f81\u3002\u5982\u679c\u4e0d\u5c06\u6570\u636e\u653e\u5728\u5185\u5b58\u4e2d\uff0c\u78c1\u76d8I\/O\u901f\u5ea6\u4e3a\u4e25\u91cd\u5f71\u54cdredis\u7684\u6027\u80fd\u3002\u5728\u5185\u5b58\u8d8a\u6765\u8d8a\u4fbf\u5b9c\u7684\u4eca\u5929\uff0credis\u5c06\u4f1a\u8d8a\u6765\u8d8a\u53d7\u6b22\u8fce\u3002 \u5982\u679c\u8bbe\u7f6e\u4e86\u6700\u5927\u4f7f\u7528\u7684\u5185\u5b58\uff0c\u5219\u6570\u636e\u5df2\u6709\u8bb0\u5f55\u6570\u8fbe\u5230\u5185\u5b58\u9650\u503c\u540e\u4e0d\u80fd\u7ee7\u7eed\u63d2\u5165\u65b0\u503c\u3002<\/p>\n<\/blockquote>\n

10\u3001Redis\u96c6\u7fa4\u65b9\u6848\u5e94\u8be5\u600e\u4e48\u505a\uff1f\u90fd\u6709\u54ea\u4e9b\u65b9\u6848\uff1f<\/h3>\n
\n

1.twemproxy\uff0c\u5927\u6982\u6982\u5ff5\u662f\uff0c\u5b83\u7c7b\u4f3c\u4e8e\u4e00\u4e2a\u4ee3\u7406\u65b9\u5f0f\uff0c\u4f7f\u7528\u65b9\u6cd5\u548c\u666e\u901aredis\u65e0\u4efb\u4f55\u533a\u522b\uff0c\u8bbe\u7f6e\u597d\u5b83\u4e0b\u5c5e\u7684\u591a\u4e2aredis\u5b9e\u4f8b\u540e\uff0c\u4f7f\u7528\u65f6\u5728\u672c\u9700\u8981\u8fde\u63a5redis\u7684\u5730\u65b9\u6539\u4e3a\u8fde\u63a5twemproxy\uff0c\u5b83\u4f1a\u4ee5\u4e00\u4e2a\u4ee3\u7406\u7684\u8eab\u4efd\u63a5\u6536\u8bf7\u6c42\u5e76\u4f7f\u7528\u4e00\u81f4\u6027hash\u7b97\u6cd5\uff0c\u5c06\u8bf7\u6c42\u8f6c\u63a5\u5230\u5177\u4f53redis\uff0c\u5c06\u7ed3\u679c\u518d\u8fd4\u56detwemproxy\u3002\u4f7f\u7528\u65b9\u5f0f\u7b80\u4fbf(\u76f8\u5bf9redis\u53ea\u9700\u4fee\u6539\u8fde\u63a5\u7aef\u53e3)\uff0c\u5bf9\u65e7\u9879\u76ee\u6269\u5c55\u7684\u9996\u9009\u3002 \u95ee\u9898\uff1atwemproxy\u81ea\u8eab\u5355\u7aef\u53e3\u5b9e\u4f8b\u7684\u538b\u529b\uff0c\u4f7f\u7528\u4e00\u81f4\u6027hash\u540e\uff0c\u5bf9redis\u8282\u70b9\u6570\u91cf\u6539\u53d8\u65f6\u5019\u7684\u8ba1\u7b97\u503c\u7684\u6539\u53d8\uff0c\u6570\u636e\u65e0\u6cd5\u81ea\u52a8\u79fb\u52a8\u5230\u65b0\u7684\u8282\u70b9\u3002<\/p>\n

2.codis\uff0c\u76ee\u524d\u7528\u7684\u6700\u591a\u7684\u96c6\u7fa4\u65b9\u6848\uff0c\u57fa\u672c\u548ctwemproxy\u4e00\u81f4\u7684\u6548\u679c\uff0c\u4f46\u5b83\u652f\u6301\u5728 \u8282\u70b9\u6570\u91cf\u6539\u53d8\u60c5\u51b5\u4e0b\uff0c\u65e7\u8282\u70b9\u6570\u636e\u53ef\u6062\u590d\u5230\u65b0hash\u8282\u70b9\u3002<\/p>\n

3.redis cluster3.0\u81ea\u5e26\u7684\u96c6\u7fa4\uff0c\u7279\u70b9\u5728\u4e8e\u4ed6\u7684\u5206\u5e03\u5f0f\u7b97\u6cd5\u4e0d\u662f\u4e00\u81f4\u6027hash\uff0c\u800c\u662fhash\u69fd\u7684\u6982\u5ff5\uff0c\u4ee5\u53ca\u81ea\u8eab\u652f\u6301\u8282\u70b9\u8bbe\u7f6e\u4ece\u8282\u70b9\u3002\u5177\u4f53\u770b\u5b98\u65b9\u6587\u6863\u4ecb\u7ecd\u3002<\/p>\n

4.\u5728\u4e1a\u52a1\u4ee3\u7801\u5c42\u5b9e\u73b0\uff0c\u8d77\u51e0\u4e2a\u6beb\u65e0\u5173\u8054\u7684redis\u5b9e\u4f8b\uff0c\u5728\u4ee3\u7801\u5c42\uff0c\u5bf9key \u8fdb\u884chash\u8ba1\u7b97\uff0c\u7136\u540e\u53bb\u5bf9\u5e94\u7684redis\u5b9e\u4f8b\u64cd\u4f5c\u6570\u636e\u3002 \u8fd9\u79cd\u65b9\u5f0f\u5bf9hash\u5c42\u4ee3\u7801\u8981\u6c42\u6bd4\u8f83\u9ad8\uff0c\u8003\u8651\u90e8\u5206\u5305\u62ec\uff0c\u8282\u70b9\u5931\u6548\u540e\u7684\u66ff\u4ee3\u7b97\u6cd5\u65b9\u6848\uff0c\u6570\u636e\u9707\u8361\u540e\u7684\u81ea\u52a8\u811a\u672c\u6062\u590d\uff0c\u5b9e\u4f8b\u7684\u76d1\u63a7\uff0c\u7b49\u7b49\u3002<\/p>\n<\/blockquote>\n

11\u3001Redis\u96c6\u7fa4\u65b9\u6848\u4ec0\u4e48\u60c5\u51b5\u4e0b\u4f1a\u5bfc\u81f4\u6574\u4e2a\u96c6\u7fa4\u4e0d\u53ef\u7528\uff1f<\/h3>\n

<\/p>

<\/div>

\u67e5\u770b\u66f4\u591a<\/h2>

\u8054\u7cfb\u7ba1\u7406\u5458\u5fae\u4fe1tutu19192010\uff0c\u6ce8\u518c\u8d26\u53f7<\/p>\n<\/div>

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1\u3001\u4ec0\u4e48\u662fRedis\uff1f Redis\u672c\u8d28\u4e0a\u662f\u4e00\u4e2aKey-Value\u7c7b\u578b\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u5f88\u50cfmemcached\uff0c\u6574\u4e2a […]<\/p>\n","protected":false},"author":3,"featured_media":2529,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[214],"tags":[19,159,22,160,20,215],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/1742"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1742"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/1742\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/2529"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}