{"id":201513,"date":"2025-05-10T10:50:30","date_gmt":"2025-05-10T02:50:30","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201513\/"},"modified":"2025-05-10T10:50:30","modified_gmt":"2025-05-10T02:50:30","slug":"redis%e7%9a%84%e5%90%84%e9%a1%b9%e5%8a%9f%e8%83%bd%e8%a7%a3%e5%86%b3%e4%ba%86%e5%93%aa%e4%ba%9b%e9%97%ae%e9%a2%98%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201513\/","title":{"rendered":"Redis\u7684\u5404\u9879\u529f\u80fd\u89e3\u51b3\u4e86\u54ea\u4e9b\u95ee\u9898\uff1f"},"content":{"rendered":"

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

Redis\u7684\u5404\u9879\u529f\u80fd\u89e3\u51b3\u4e86\u54ea\u4e9b\u95ee\u9898\uff1f<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

\u5728\u6570\u636e\u5e93\u5b9e\u6218\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e9b\u8fd9\u6837\u90a3\u6837\u7684\u95ee\u9898\uff0c\u7136\u540e\u8981\u5361\u597d\u534a\u5929\uff0c\u7b49\u95ee\u9898\u89e3\u51b3\u4e86\u624d\u53d1\u73b0\u539f\u6765\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u662f\u6ca1\u6709\u638c\u63e1\u597d\u3002\u4eca\u5929golang\u5b66\u4e60\u7f51\u5c31\u6574\u7406\u5206\u4eab\u300aRedis\u7684\u5404\u9879\u529f\u80fd\u89e3\u51b3\u4e86\u54ea\u4e9b\u95ee\u9898\uff1f\u300b\uff0c\u804a\u804a\u547d\u4ee4\u3001Redis\u3001\u6570\u636e\u5e93\uff0c\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u5230\u6b63\u5728\u52aa\u529b\u8d5a\u94b1\u7684\u4f60\u3002<\/p>\n<\/p>\n

\u5148\u770b\u4e00\u4e0bRedis\u662f\u4e00\u4e2a\u4ec0\u4e48\u4e1c\u897f\u3002\u5b98\u65b9\u7b80\u4ecb\u89e3\u91ca\u5230\uff1a<\/p>\n

Redis\u662f\u4e00\u4e2a\u57fa\u4e8eBSD\u5f00\u6e90\u7684\u9879\u76ee\uff0c\u662f\u4e00\u4e2a\u628a\u7ed3\u6784\u5316\u7684\u6570\u636e\u653e\u5728\u5185\u5b58\u4e2d\u7684\u4e00\u4e2a\u5b58\u50a8\u7cfb\u7edf\uff0c\u4f60\u53ef\u4ee5\u628a\u5b83\u4f5c\u4e3a\u6570\u636e\u5e93\uff0c\u7f13\u5b58\u548c\u6d88\u606f\u4e2d\u95f4\u4ef6\u6765\u4f7f\u7528\u3002\u540c\u65f6\u652f\u6301strings\uff0clists\uff0chashes\uff0csets\uff0csorted sets\uff0cbitmaps\uff0chyperloglogs\u548cgeospatial indexes\u7b49\u6570\u636e\u7c7b\u578b\u3002\u5b83\u8fd8\u5185\u5efa\u4e86\u590d\u5236\uff0clua\u811a\u672c\uff0cLRU\uff0c\u4e8b\u52a1\u7b49\u529f\u80fd\uff0c\u901a\u8fc7redis sentinel\u5b9e\u73b0\u9ad8\u53ef\u7528\uff0c\u901a\u8fc7redis cluster\u5b9e\u73b0\u4e86\u81ea\u52a8\u5206\u7247\u3002\u4ee5\u53ca\u4e8b\u52a1\uff0c\u53d1\u5e03\/\u8ba2\u9605\uff0c\u81ea\u52a8\u6545\u969c\u8f6c\u79fb\u7b49\u7b49\u3002<\/p>\n

\u7efc\u4e0a\u6240\u8ff0\uff0cRedis\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u529f\u80fd\uff0c\u521d\u6b21\u89c1\u5230\u53ef\u80fd\u4f1a\u611f\u89c9\u773c\u82b1\u7f2d\u4e71\uff0c\u8fd9\u4e9b\u529f\u80fd\u90fd\u662f\u5e72\u561b\u7528\u7684?\u90fd\u89e3\u51b3\u4e86\u4ec0\u4e48\u95ee\u9898?\u4ec0\u4e48\u60c5\u51b5\u4e0b\u624d\u4f1a\u7528\u5230\u76f8\u5e94\u7684\u529f\u80fd?\u90a3\u4e48\u4e0b\u9762\u4ece\u96f6\u5f00\u59cb\uff0c\u4e00\u6b65\u4e00\u6b65\u7684\u6f14\u8fdb\u6765\u7c97\u7565\u7684\u89e3\u91ca\u4e0b\u3002<\/p>\n

1 \u4ece\u96f6\u5f00\u59cb<\/strong><\/p>\n

\u6700\u521d\u7684\u9700\u6c42\u975e\u5e38\u7b80\u5355\uff0c\u6211\u4eec\u6709\u4e00\u4e2a\u63d0\u4f9b\u70ed\u70b9\u65b0\u95fb\u5217\u8868\u7684api\uff1ahttp:\/\/api.xxx.com\/hot-news\uff0capi\u7684\u6d88\u8d39\u8005\u62b1\u6028\u8bf4\u6bcf\u6b21\u8bf7\u6c42\u90fd\u89812\u79d2\u5de6\u53f3\u624d\u80fd\u8fd4\u56de\u7ed3\u679c\u3002<\/p>\n

\u968f\u540e\u6211\u4eec\u5c31\u7740\u624b\u4e8e\u5982\u4f55\u63d0\u5347\u4e00\u4e0bapi\u6d88\u8d39\u8005\u611f\u77e5\u7684\u6027\u80fd\uff0c\u5f88\u5feb\u6700\u7b80\u5355\u7c97\u66b4\u7684***\u4e2a\u65b9\u6848\u5c31\u51fa\u6765\u4e86\uff1a\u4e3aAPI\u7684\u54cd\u5e94\u52a0\u4e0a\u57fa\u4e8eHTTP\u7684\u7f13\u5b58\u63a7\u5236 cache-control:max-age=600 \uff0c\u5373\u8ba9\u6d88\u8d39\u8005\u53ef\u4ee5\u7f13\u5b58\u8fd9\u4e2a\u54cd\u5e94\u5341\u5206\u949f\u3002<\/p>\n

\u5982\u679capi\u6d88\u8d39\u8005\u5982\u679c\u6709\u6548\u7684\u5229\u7528\u4e86\u54cd\u5e94\u4e2d\u7684\u7f13\u5b58\u63a7\u5236\u4fe1\u606f\uff0c\u5219\u53ef\u4ee5\u6709\u6548\u7684\u6539\u5584\u5176\u611f\u77e5\u7684\u6027\u80fd(10\u5206\u949f\u4ee5\u5185)\u3002\u4f46\u662f\u8fd8\u67092\u4e2a\u5f0a\u7aef\uff1a***\u4e2a\u662f\u5728\u7f13\u5b58\u751f\u6548\u768410\u5206\u949f\u5185\uff0capi\u6d88\u8d39\u8005\u53ef\u80fd\u4f1a\u5f97\u5230\u65e7\u7684\u6570\u636e;\u7b2c\u4e8c\u4e2a\u662f\u5982\u679capi\u7684\u5ba2\u6237\u7aef\u65e0\u89c6\u7f13\u5b58\u76f4\u63a5\u8bbf\u95eeAPI\u4f9d\u7136\u662f\u9700\u89812\u79d2\uff0c\u6cbb\u6807\u4e0d\u6cbb\u672c\u5450\u3002<\/p>\n

2 \u57fa\u4e8e\u672c\u673a\u5185\u5b58\u7684\u7f13\u5b58<\/strong><\/p>\n

\u4e3a\u4e86\u89e3\u51b3\u8c03\u7528API\u4f9d\u7136\u9700\u89812\u79d2\u7684\u95ee\u9898\uff0c\u7ecf\u8fc7\u6392\u67e5\uff0c\u5176\u4e3b\u8981\u539f\u56e0\u5728\u4e8e\u4f7f\u7528SQL\u83b7\u53d6\u70ed\u70b9\u65b0\u95fb\u7684\u8fc7\u7a0b\u4e2d\u6d88\u8017\u4e86\u5c06\u8fd12\u79d2\u7684\u65f6\u95f4\uff0c\u4e8e\u662f\u4e4e\uff0c\u6211\u4eec\u53c8\u60f3\u5230\u4e86\u4e00\u4e2a\u7b80\u5355\u7c97\u66b4\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u5373\u628aSQL\u67e5\u8be2\u7684\u7ed3\u679c\u76f4\u63a5\u7f13\u5b58\u5728\u5f53\u524dapi\u670d\u52a1\u5668\u7684\u5185\u5b58\u4e2d(\u8bbe\u7f6e\u7f13\u5b58\u6709\u6548\u65f6\u95f4\u4e3a1\u5206\u949f)\u3002\u540e\u7eed1\u5206\u949f\u5185\u7684\u8bf7\u6c42\u76f4\u63a5\u8bfb\u7f13\u5b58\uff0c\u4e0d\u518d\u82b1\u8d392\u79d2\u53bb\u6267\u884cSQL\u4e86\u3002<\/p>\n

\u5047\u5982\u8fd9\u4e2aapi\u6bcf\u79d2\u63a5\u6536\u5230\u7684\u8bf7\u6c42\u65f6100\u4e2a\uff0c\u90a3\u4e48\u4e00\u5206\u949f\u5c31\u662f6000\u4e2a\uff0c\u4e5f\u5c31\u662f\u53ea\u6709\u524d2\u79d2\u62e5\u6324\u8fc7\u6765\u7684\u8bf7\u6c42\u4f1a\u8017\u65f62\u79d2\uff0c\u540e\u7eed\u768458\u79d2\u4e2d\u7684\u6240\u6709\u8bf7\u6c42\u90fd\u53ef\u4ee5\u505a\u5230\u5373\u4f7f\u54cd\u5e94\uff0c\u800c\u65e0\u9700\u518d\u7b492\u79d2\u7684\u65f6\u95f4\u3002<\/p>\n

\u5176\u4ed6API\u7684\u5c0f\u4f19\u4f34\u53d1\u73b0\u8fd9\u662f\u4e2a\u597d\u529e\u6cd5\uff0c\u4e8e\u662f\u5f88\u5feb\u6211\u4eec\u5c31\u53d1\u73b0API\u670d\u52a1\u5668\u7684\u5185\u5b58\u8981\u7206\u6ee1\u4e86\u3002\u3002\u3002<\/p>\n

3 \u670d\u52a1\u7aef\u7684Redis<\/strong><\/p>\n

\u5728API\u670d\u52a1\u5668\u7684\u5185\u5b58\u90fd\u88ab\u7f13\u5b58\u585e\u6ee1\u7684\u65f6\u5019\uff0c\u6211\u4eec\u53d1\u73b0\u4e0d\u5f97\u4e0d\u53e6\u60f3\u89e3\u51b3\u65b9\u6848\u4e86\u3002\u6700\u76f4\u63a5\u7684\u60f3\u6cd5\u5c31\u662f\u6211\u4eec\u628a\u8fd9\u4e9b\u7f13\u5b58\u90fd\u4e22\u5230\u4e00\u4e2a\u4e13\u95e8\u7684\u670d\u52a1\u5668\u4e0a\u5427\uff0c\u628a\u5b83\u7684\u5185\u5b58\u914d\u7f6e\u7684\u5927\u5927\u7684\u3002\u7136\u540e\u6211\u4eec\u5c31\u76ef\u4e0a\u4e86redis\u3002\u3002\u3002\u81f3\u4e8e\u5982\u4f55\u914d\u7f6e\u90e8\u7f72redis\u8fd9\u91cc\u4e0d\u89e3\u91ca\u4e86\uff0credis\u5b98\u65b9\u6709\u8be6\u7ec6\u7684\u4ecb\u7ecd\u3002\u968f\u540e\u6211\u4eec\u5c31\u7528\u4e0a\u4e86\u4e00\u53f0\u5355\u72ec\u7684\u670d\u52a1\u5668\u4f5c\u4e3aRedis\u7684\u670d\u52a1\u5668\uff0cAPI\u670d\u52a1\u5668\u7684\u5185\u5b58\u538b\u529b\u5f97\u4ee5\u89e3\u51b3\u3002<\/p>\n

3.1 \u6301\u4e45\u5316(Persistence)<\/strong><\/p>\n

\u5355\u53f0\u7684Redis\u670d\u52a1\u5668\u4e00\u4e2a\u6708\u603b\u6709\u90a3\u4e48\u51e0\u5929\u5fc3\u60c5\u4e0d\u597d\uff0c\u5fc3\u60c5\u4e0d\u597d\u5c31\u7f62\u5de5\u4e86\uff0c\u5bfc\u81f4\u6240\u6709\u7684\u7f13\u5b58\u90fd\u4e22\u5931\u4e86(redis\u7684\u6570\u636e\u662f\u5b58\u50a8\u5728\u5185\u5b58\u7684\u561b)\u3002\u867d\u7136\u53ef\u4ee5\u628aRedis\u670d\u52a1\u5668\u91cd\u65b0\u4e0a\u7ebf\uff0c\u4f46\u662f\u7531\u4e8e\u5185\u5b58\u7684\u6570\u636e\u4e22\u5931\uff0c\u9020\u6210\u4e86\u7f13\u5b58\u96ea\u5d29\uff0cAPI\u670d\u52a1\u5668\u548c\u6570\u636e\u5e93\u7684\u538b\u529b\u8fd8\u662f\u4e00\u4e0b\u5b50\u5c31\u4e0a\u6765\u4e86\u3002\u6240\u4ee5\u8fd9\u4e2a\u65f6\u5019Redis\u7684\u6301\u4e45\u5316\u529f\u80fd\u5c31\u6d3e\u4e0a\u7528\u573a\u4e86\uff0c\u53ef\u4ee5\u7f13\u89e3\u4e00\u4e0b\u7f13\u5b58\u96ea\u5d29\u5e26\u6765\u7684\u5f71\u54cd\u3002redis\u7684\u6301\u4e45\u5316\u6307\u7684\u662fredis\u4f1a\u628a\u5185\u5b58\u7684\u4e2d\u7684\u6570\u636e\u5199\u5165\u5230\u786c\u76d8\u4e2d\uff0c\u5728redis\u91cd\u65b0\u542f\u52a8\u7684\u65f6\u5019\u52a0\u8f7d\u8fd9\u4e9b\u6570\u636e\uff0c\u4ece\u800c***\u9650\u5ea6\u7684\u964d\u4f4e\u7f13\u5b58\u4e22\u5931\u5e26\u6765\u7684\u5f71\u54cd\u3002<\/p>\n

3.2 \u54e8\u5175(Sentinel)\u548c\u590d\u5236(Replication)<\/strong><\/p>\n

Redis\u670d\u52a1\u5668\u6beb\u65e0\u5f81\u5146\u7684\u7f62\u5de5\u662f\u4e2a\u9ebb\u70e6\u4e8b\u3002\u90a3\u4e48\u600e\u529e\u529e?\u7b54\u66f0\uff1a\u5907\u4efd\u4e00\u53f0\uff0c\u4f60\u6302\u4e86\u5b83\u4e0a\u3002\u90a3\u4e48\u5982\u4f55\u5f97\u77e5\u67d0\u4e00\u53f0redis\u670d\u52a1\u5668\u6302\u4e86\uff0c\u5982\u4f55\u5207\u6362\uff0c\u5982\u4f55\u4fdd\u8bc1\u5907\u4efd\u7684\u673a\u5668\u662f\u539f\u59cb\u670d\u52a1\u5668\u7684\u5b8c\u6574\u5907\u4efd\u5462?\u8fd9\u65f6\u5019\u5c31\u9700\u8981Sentinel\u548cReplication\u51fa\u573a\u4e86\u3002Sentinel\u53ef\u4ee5\u7ba1\u7406\u591a\u4e2aRedis\u670d\u52a1\u5668\uff0c\u5b83\u63d0\u4f9b\u4e86\u76d1\u63a7\uff0c\u63d0\u9192\u4ee5\u53ca\u81ea\u52a8\u7684\u6545\u969c\u8f6c\u79fb\u7684\u529f\u80fd;Replication\u5219\u662f\u8d1f\u8d23\u8ba9\u4e00\u4e2aRedis\u670d\u52a1\u5668\u53ef\u4ee5\u914d\u5907\u591a\u4e2a\u5907\u4efd\u7684\u670d\u52a1\u5668\u3002Redis\u4e5f\u662f\u5229\u7528\u8fd9\u4e24\u4e2a\u529f\u80fd\u6765\u4fdd\u8bc1Redis\u7684\u9ad8\u53ef\u7528\u7684\u3002\u6b64\u5916\uff0cSentinel\u529f\u80fd\u5219\u662f\u5bf9Redis\u7684\u53d1\u5e03\u548c\u8ba2\u9605\u529f\u80fd\u7684\u4e00\u4e2a\u5229\u7528\u3002<\/p>\n

3.3 \u96c6\u7fa4(Cluster)<\/strong><\/p>\n

\u5355\u53f0\u670d\u52a1\u5668\u8d44\u6e90\u7684\u603b\u662f\u6709\u4e0a\u9650\u7684\uff0cCPU\u8d44\u6e90\u548cIO\u8d44\u6e90\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4e3b\u4ece\u590d\u5236\uff0c\u8fdb\u884c\u8bfb\u5199\u5206\u79bb\uff0c\u628a\u4e00\u90e8\u5206CPU\u548cIO\u7684\u538b\u529b\u8f6c\u79fb\u5230\u4ece\u670d\u52a1\u5668\u4e0a\u3002\u4f46\u662f\u5185\u5b58\u8d44\u6e90\u600e\u4e48\u529e\uff0c\u4e3b\u4ece\u6a21\u5f0f\u505a\u5230\u7684\u53ea\u662f\u76f8\u540c\u6570\u636e\u7684\u5907\u4efd\uff0c\u5e76\u4e0d\u80fd\u6a2a\u5411\u6269\u5145\u5185\u5b58;\u5355\u53f0\u673a\u5668\u7684\u5185\u5b58\u4e5f\u53ea\u80fd\u8fdb\u884c\u52a0\u5927\u5904\u7406\uff0c\u4f46\u662f\u603b\u6709\u4e0a\u9650\u7684\u3002\u6240\u4ee5\u6211\u4eec\u5c31\u9700\u8981\u4e00\u79cd\u89e3\u51b3\u65b9\u6848\uff0c\u53ef\u4ee5\u8ba9\u6211\u4eec\u6a2a\u5411\u6269\u5c55\u3002\u6700\u7ec8\u7684\u76ee\u7684\u65e2\u662f\u628a\u6bcf\u53f0\u670d\u52a1\u5668\u53ea\u8d1f\u8d23\u5176\u4e2d\u7684\u4e00\u90e8\u5206\uff0c\u8ba9\u8fd9\u4e9b\u6240\u6709\u7684\u670d\u52a1\u5668\u6784\u6210\u4e00\u4e2a\u6574\u4f53\uff0c\u5bf9\u5916\u754c\u7684\u6d88\u8d39\u8005\u800c\u8a00\uff0c\u8fd9\u4e00\u7ec4\u5206\u5e03\u5f0f\u7684\u670d\u52a1\u5668\u5c31\u50cf\u662f\u4e00\u4e2a\u96c6\u4e2d\u5f0f\u7684\u670d\u52a1\u5668\u4e00\u6837(\u4e4b\u524d\u5728\u89e3\u8bfbREST\u7684\u535a\u5ba2\u4e2d\u89e3\u91ca\u8fc7\u5206\u5e03\u5f0f\u4e8e\u57fa\u4e8e\u7f51\u7edc\u7684\u5dee\u5f02\uff1a\u57fa\u4e8e\u7f51\u7edc\u5e94\u7528\u7684\u67b6\u6784)\u3002<\/p>\n

\u5728Redis\u5b98\u65b9\u7684\u5206\u5e03\u5f0f\u65b9\u6848\u51fa\u6765\u4e4b\u524d\uff0c\u6709twemproxy\u548ccodis\u4e24\u79cd\u65b9\u6848\uff0c\u8fd9\u4e24\u4e2a\u65b9\u6848\u603b\u4f53\u4e0a\u6765\u8bf4\u90fd\u662f\u4f9d\u8d56proxy\u6765\u8fdb\u884c\u5206\u5e03\u5f0f\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4redis\u672c\u8eab\u5e76\u4e0d\u5173\u5fc3\u5206\u5e03\u5f0f\u7684\u4e8b\u60c5\uff0c\u800c\u662f\u4ea4\u7531twemproxy\u548ccodis\u6765\u8d1f\u8d23\u3002\u800credis\u5b98\u65b9\u7ed9\u51fa\u7684cluster\u65b9\u6848\u5219\u662f\u628a\u5206\u5e03\u5f0f\u7684\u8fd9\u90e8\u5206\u4e8b\u60c5\u505a\u5230\u4e86\u6bcf\u4e00\u4e2aredis\u670d\u52a1\u5668\u4e2d\uff0c\u4f7f\u5176\u4e0d\u518d\u9700\u8981\u5176\u4ed6\u7684\u7ec4\u4ef6\u5c31\u53ef\u4ee5\u72ec\u7acb\u7684\u5b8c\u6210\u5206\u5e03\u5f0f\u7684\u8981\u6c42\u3002\u6211\u4eec\u8fd9\u91cc\u4e0d\u5173\u5fc3\u8fd9\u4e9b\u65b9\u6848\u7684\u4f18\u7565\uff0c\u6211\u4eec\u5173\u6ce8\u4e00\u4e0b\u8fd9\u91cc\u7684\u5206\u5e03\u5f0f\u5230\u5e95\u662f\u8981\u5904\u7406\u90a3\u4e9b\u4e8b\u60c5?\u4e5f\u5c31\u662ftwemproxy\u548ccodis\u72ec\u7acb\u5904\u7406\u7684\u5904\u7406\u5206\u5e03\u5f0f\u7684\u8fd9\u90e8\u5206\u903b\u8f91\u548ccluster\u96c6\u6210\u5230redis\u670d\u52a1\u7684\u8fd9\u90e8\u5206\u903b\u8f91\u5230\u5e95\u5728\u89e3\u51b3\u4ec0\u4e48\u95ee\u9898?<\/p>\n

\u5982\u6211\u4eec\u524d\u9762\u6240\u8bf4\u7684\uff0c\u4e00\u4e2a\u5206\u5e03\u5f0f\u7684\u670d\u52a1\u5728\u5916\u754c\u770b\u6765\u5c31\u50cf\u662f\u4e00\u4e2a\u96c6\u4e2d\u5f0f\u7684\u670d\u52a1\u4e00\u6837\u3002\u90a3\u4e48\u8981\u505a\u5230\u8fd9\u4e00\u70b9\u5c31\u9762\u4e34\u7740\u6709\u4e00\u4e2a\u95ee\u9898\u9700\u8981\u89e3\u51b3\uff1a\u65e2\u662f\u589e\u52a0\u6216\u51cf\u5c11\u5206\u5e03\u5f0f\u670d\u52a1\u4e2d\u7684\u670d\u52a1\u5668\u7684\u6570\u91cf\uff0c\u5bf9\u6d88\u8d39\u8fd9\u4e2a\u670d\u52a1\u7684\u5ba2\u6237\u7aef\u800c\u8a00\u5e94\u8be5\u662f\u65e0\u611f\u7684;\u90a3\u4e48\u4e5f\u5c31\u610f\u5473\u7740\u5ba2\u6237\u7aef\u4e0d\u80fd\u7a7f\u900f\u5206\u5e03\u5f0f\u670d\u52a1\uff0c\u628a\u81ea\u5df1\u7ed1\u6b7b\u5230\u67d0\u4e00\u4e2a\u53f0\u7684\u670d\u52a1\u5668\u4e0a\u53bb\uff0c\u56e0\u4e3a\u4e00\u65e6\u5982\u6b64\uff0c\u4f60\u5c31\u518d\u4e5f\u65e0\u6cd5\u65b0\u589e\u670d\u52a1\u5668\uff0c\u4e5f\u65e0\u6cd5\u8fdb\u884c\u6545\u969c\u66ff\u6362\u3002<\/p>\n

\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u6709\u4e24\u4e2a\u8def\u5b50\uff1a<\/p>\n

***\u4e2a\u8def\u5b50\u6700\u76f4\u63a5\uff0c\u90a3\u5c31\u662f\u6211\u52a0\u4e00\u4e2a\u4e2d\u95f4\u5c42\u6765\u9694\u79bb\u8fd9\u79cd\u5177\u4f53\u7684\u4f9d\u8d56\uff0c\u5373twemproxy\u91c7\u7528\u7684\u65b9\u5f0f\uff0c\u8ba9\u6240\u6709\u7684\u5ba2\u6237\u7aef\u53ea\u80fd\u901a\u8fc7\u5b83\u6765\u6d88\u8d39redsi\u670d\u52a1\uff0c\u901a\u8fc7\u5b83\u6765\u9694\u79bb\u8fd9\u79cd\u4f9d\u8d56(\u4f46\u662f\u4f60\u4f1a\u53d1\u73b0twermproxy\u4f1a\u6210\u4e3a\u4e00\u4e2a\u5355\u70b9)\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\u6bcf\u53f0redis\u670d\u52a1\u5668\u90fd\u662f\u72ec\u7acb\u7684\uff0c\u5b83\u4eec\u4e4b\u95f4\u5f7c\u6b64\u4e0d\u77e5\u5bf9\u65b9\u7684\u5b58\u5728;<\/p>\n

\u7b2c\u4e8c\u4e2a\u8def\u5b50\u662f\u8ba9redis\u670d\u52a1\u5668\u77e5\u9053\u5f7c\u6b64\u7684\u5b58\u5728\uff0c\u901a\u8fc7\u91cd\u5b9a\u5411\u7684\u673a\u5236\u6765\u5f15\u5bfc\u5ba2\u6237\u7aef\u6765\u5b8c\u6210\u81ea\u5df1\u6240\u9700\u8981\u7684\u64cd\u4f5c\uff0c\u6bd4\u5982\u5ba2\u6237\u7aef\u94fe\u63a5\u5230\u4e86\u67d0\u4e00\u4e2aredis\u670d\u52a1\u5668\uff0c\u8bf4\u6211\u8981\u6267\u884c\u8fd9\u4e2a\u64cd\u4f5c\uff0credis\u670d\u52a1\u5668\u53d1\u73b0\u81ea\u5df1\u65e0\u6cd5\u5b8c\u6210\u8fd9\u4e2a\u64cd\u4f5c\uff0c\u90a3\u4e48\u5c31\u628a\u80fd\u5b8c\u6210\u8fd9\u4e2a\u64cd\u4f5c\u7684\u670d\u52a1\u5668\u7684\u4fe1\u606f\u7ed9\u5230\u5ba2\u6237\u7aef\uff0c\u8ba9\u5ba2\u6237\u7aef\u53bb\u8bf7\u6c42\u53e6\u5916\u7684\u4e00\u4e2a\u670d\u52a1\u5668\uff0c\u8fd9\u65f6\u5019\u4f60\u5c31\u4f1a\u53d1\u73b0\u6bcf\u4e00\u4e2aredis\u670d\u52a1\u5668\u90fd\u9700\u8981\u4fdd\u6301\u4e00\u4efd\u5b8c\u6574\u7684\u5206\u5e03\u5f0f\u670d\u52a1\u5668\u4fe1\u606f\u7684\u4e00\u4efd\u8d44\u6599\uff0c\u4e0d\u7136\u5b83\u600e\u4e48\u77e5\u9053\u8ba9\u5ba2\u6237\u7aef\u53bb\u627e\u5176\u4ed6\u7684\u54ea\u4e2a\u670d\u52a1\u5668\u6765\u6267\u884c\u5ba2\u6237\u7aef\u60f3\u8981\u7684\u64cd\u4f5c\u5462\u3002<\/p>\n

\u4e0a\u9762\u8fd9\u4e00\u5927\u6bb5\u89e3\u91ca\u4e86\u8fd9\u4e48\u591a\uff0c\u4e0d\u77e5\u6709\u6ca1\u6709\u53d1\u73b0\u4e0d\u7ba1\u662f***\u4e2a\u8def\u5b50\u8fd8\u662f\u7b2c\u4e8c\u4e2a\u8def\u5b50\uff0c\u90fd\u6709\u4e00\u4e2a\u5171\u540c\u7684\u4e1c\u897f\u5b58\u5728\uff0c\u90a3\u5c31\u662f\u5206\u5e03\u5f0f\u670d\u52a1\u4e2d\u6240\u6709\u670d\u52a1\u5668\u4ee5\u53ca\u5176\u80fd\u63d0\u4f9b\u7684\u670d\u52a1\u7684\u4fe1\u606f\u3002\u8fd9\u4e9b\u4fe1\u606f\u65e0\u8bba\u5982\u4f55\u4e5f\u662f\u8981\u5b58\u5728\u7684\uff0c\u533a\u522b\u5728\u4e8e***\u4e2a\u8def\u5b50\u662f\u628a\u8fd9\u90e8\u5206\u4fe1\u606f\u5355\u72ec\u6765\u7ba1\u7406\uff0c\u7528\u8fd9\u4e9b\u4fe1\u606f\u6765\u534f\u8c03\u540e\u7aef\u7684\u591a\u4e2a\u72ec\u7acb\u7684redis\u670d\u52a1\u5668;\u7b2c\u4e8c\u4e2a\u8def\u5b50\u5219\u662f\u8ba9\u6bcf\u4e00\u4e2aredis\u670d\u52a1\u5668\u90fd\u6301\u6709\u8fd9\u4efd\u4fe1\u606f\uff0c\u5f7c\u6b64\u77e5\u9053\u5bf9\u65b9\u7684\u5b58\u5728\uff0c\u6765\u8fbe\u6210\u548c***\u4e2a\u8def\u5b50\u4e00\u6837\u7684\u76ee\u7684\uff0c\u4f18\u70b9\u662f\u4e0d\u518d\u9700\u8981\u4e00\u4e2a\u989d\u5916\u7684\u7ec4\u4ef6\u6765\u5904\u7406\u8fd9\u90e8\u5206\u4e8b\u60c5\u3002<\/p>\n

Redis Cluster\u7684\u5177\u4f53\u5b9e\u73b0\u7ec6\u8282\u5219\u662f\u91c7\u7528\u4e86Hash\u69fd\u7684\u6982\u5ff5\uff0c\u5373\u9884\u5148\u5206\u914d\u51fa\u676516384\u4e2a\u69fd\uff1a\u5728\u5ba2\u6237\u7aef\u901a\u8fc7\u5bf9Key\u8fdb\u884cCRC16(key)% 16384\u8fd0\u7b97\u5f97\u5230\u5bf9\u5e94\u7684\u69fd\u662f\u54ea\u4e00\u4e2a;\u5728redis\u670d\u52a1\u7aef\u5219\u662f\u6bcf\u4e2a\u670d\u52a1\u5668\u8d1f\u8d23\u4e00\u90e8\u5206\u69fd\uff0c\u5f53\u6709\u65b0\u7684\u670d\u52a1\u5668\u52a0\u5165\u6216\u8005\u79fb\u9664\u7684\u65f6\u5019\uff0c\u518d\u6765\u8fc1\u79fb\u8fd9\u4e9b\u69fd\u4ee5\u53ca\u5176\u5bf9\u5e94\u7684\u6570\u636e\uff0c\u540c\u65f6\u6bcf\u4e2a\u670d\u52a1\u5668\u90fd\u6301\u6709\u5b8c\u6574\u7684\u69fd\u548c\u5176\u5bf9\u5e94\u7684\u670d\u52a1\u5668\u7684\u4fe1\u606f\uff0c\u8fd9\u5c31\u4f7f\u5f97\u670d\u52a1\u5668\u7aef\u53ef\u4ee5\u8fdb\u884c\u5bf9\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u8fdb\u884c\u91cd\u5b9a\u5411\u5904\u7406\u3002<\/p>\n

4 \u5ba2\u6237\u7aef\u7684Redis<\/strong><\/p>\n

\u4e0a\u9762\u7684\u7b2c\u4e09\u5c0f\u8282\u4e3b\u8981\u4ecb\u7ecd\u7684\u662fRedis\u670d\u52a1\u7aef\u7684\u6f14\u8fdb\u6b65\u9aa4\uff0c\u89e3\u91ca\u4e86Redis\u5982\u4f55\u4ece\u4e00\u4e2a\u5355\u673a\u7684\u670d\u52a1\uff0c\u8fdb\u5316\u4e3a\u4e00\u4e2a\u9ad8\u53ef\u7528\u7684\u3001\u53bb\u4e2d\u5fc3\u5316\u7684\u3001\u5206\u5e03\u5f0f\u7684\u5b58\u50a8\u7cfb\u7edf\u3002\u8fd9\u4e00\u5c0f\u8282\u5219\u662f\u5173\u6ce8\u4e0b\u5ba2\u6237\u7aef\u53ef\u4ee5\u6d88\u8d39\u7684redis\u670d\u52a1\u3002<\/p>\n

4.1 \u6570\u636e\u7c7b\u578b<\/strong><\/p>\n

redis\u652f\u6301\u4e30\u5bcc\u7684\u6570\u636e\u7c7b\u578b\uff0c\u4ece\u6700\u57fa\u7840\u7684string\u5230\u590d\u6742\u7684\u5e38\u7528\u5230\u7684\u6570\u636e\u7ed3\u6784\u90fd\u6709\u652f\u6301\uff1a<\/p>\n

    \n
  1. \n

    string\uff1a\u6700\u57fa\u672c\u7684\u6570\u636e\u7c7b\u578b\uff0c\u4e8c\u8fdb\u5236\u5b89\u5168\u7684\u5b57\u7b26\u4e32\uff0c***512M\u3002<\/p>\n<\/li>\n

  2. \n

    list\uff1a\u6309\u7167\u6dfb\u52a0\u987a\u5e8f\u4fdd\u6301\u987a\u5e8f\u7684\u5b57\u7b26\u4e32\u5217\u8868\u3002<\/p>\n<\/li>\n

  3. \n

    set\uff1a\u65e0\u5e8f\u7684\u5b57\u7b26\u4e32\u96c6\u5408\uff0c\u4e0d\u5b58\u5728\u91cd\u590d\u7684\u5143\u7d20\u3002<\/p>\n<\/li>\n

  4. \n

    sorted set\uff1a\u5df2\u6392\u5e8f\u7684\u5b57\u7b26\u4e32\u96c6\u5408\u3002<\/p>\n<\/li>\n

  5. \n

    hash\uff1akey-value\u5bf9\u7684\u4e00\u79cd\u96c6\u5408\u3002<\/p>\n<\/li>\n

  6. \n

    bitmap\uff1a\u66f4\u7ec6\u5316\u7684\u4e00\u79cd\u64cd\u4f5c\uff0c\u4ee5bit\u4e3a\u5355\u4f4d\u3002<\/p>\n<\/li>\n

  7. \n

    hyperloglog\uff1a\u57fa\u4e8e\u6982\u7387\u7684\u6570\u636e\u7ed3\u6784\u3002<\/p>\n<\/li>\n<\/ol>\n

    \u8fd9\u4e9b\u4f17\u591a\u7684\u6570\u636e\u7c7b\u578b\uff0c\u4e3b\u8981\u662f\u4e3a\u4e86\u652f\u6301\u5404\u79cd\u573a\u666f\u7684\u9700\u8981\uff0c\u5f53\u7136\u6bcf\u79cd\u7c7b\u578b\u90fd\u6709\u4e0d\u540c\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u3002\u5176\u5b9e\u8fd9\u4e9b\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u76f8\u5f53\u4e8e\u4e4b\u524d\u6211\u5728\u300a\u89e3\u8bfbREST\u300b\u8fd9\u4e2a\u7cfb\u5217\u535a\u5ba2\u57fa\u4e8e\u7f51\u7edc\u5e94\u7528\u7684\u67b6\u6784\u98ce\u683c\u4e2d\u4ecb\u7ecd\u5230\u7684\u8fdc\u7a0b\u6570\u636e\u8bbf\u95ee(Remote Data Access = RDA)\u7684\u5177\u4f53\u5b9e\u73b0\uff0c\u5373\u901a\u8fc7\u5728\u670d\u52a1\u5668\u4e0a\u6267\u884c\u4e00\u7ec4\u6807\u51c6\u7684\u64cd\u4f5c\u547d\u4ee4\uff0c\u5728\u670d\u52a1\u7aef\u4e4b\u95f4\u5f97\u5230\u60f3\u8981\u7684\u7f29\u5c0f\u540e\u7684\u7ed3\u679c\u96c6\uff0c\u4ece\u800c\u7b80\u5316\u5ba2\u6237\u7aef\u7684\u4f7f\u7528\uff0c\u4e5f\u53ef\u4ee5\u63d0\u9ad8\u7f51\u7edc\u6027\u80fd\u3002\u6bd4\u5982 \u5982\u679c\u6ca1\u6709list\u8fd9\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u4f60\u5c31\u53ea\u80fd\u628alist\u5b58\u6210\u4e00\u4e2astring\uff0c\u5ba2\u6237\u7aef\u62ff\u5230\u5b8c\u6574\u7684list\uff0c\u64cd\u4f5c\u540e\u518d\u5b8c\u6574\u7684\u63d0\u4ea4\u7ed9redis\uff0c\u4f1a\u4ea7\u751f\u5f88\u5927\u7684\u6d6a\u8d39\u3002<\/p>\n

    4.2 \u4e8b\u52a1<\/strong><\/p>\n

    \u4e0a\u8ff0\u6570\u636e\u7c7b\u578b\u4e2d\uff0c\u6bcf\u4e00\u4e2a\u6570\u636e\u7c7b\u578b\u90fd\u6709\u72ec\u7acb\u7684\u547d\u4ee4\u6765\u8fdb\u884c\u64cd\u4f5c\uff0c\u5f88\u591a\u60c5\u51b5\u4e0b\u6211\u4eec\u9700\u8981\u4e00\u6b21\u6267\u884c\u4e0d\u6b62\u4e00\u4e2a\u547d\u4ee4\uff0c\u800c\u4e14\u9700\u8981\u5176\u540c\u65f6\u6210\u529f\u6216\u8005\u5931\u8d25\u3002redis\u5bf9\u4e8b\u52a1\u7684\u652f\u6301\u4e5f\u662f\u6e90\u81ea\u4e8e\u8fd9\u90e8\u5206\u9700\u6c42\uff0c\u5373\u652f\u6301\u4e00\u6b21\u6027\u6309\u987a\u5e8f\u6267\u884c\u591a\u4e2a\u547d\u4ee4\u7684\u80fd\u529b\uff0c\u5e76\u4fdd\u8bc1\u5176\u539f\u5b50\u6027\u3002<\/p>\n

    4.3 Lua\u811a\u672c<\/strong><\/p>\n

    \u5728\u4e8b\u52a1\u7684\u57fa\u7840\u4e0a\uff0c\u5982\u679c\u6211\u4eec\u9700\u8981\u5728\u670d\u52a1\u7aef\u4e00\u6b21\u6027\u7684\u6267\u884c\u66f4\u590d\u6742\u7684\u64cd\u4f5c(\u5305\u542b\u4e00\u4e9b\u903b\u8f91\u5224\u65ad)\uff0c\u5219lua\u5c31\u53ef\u4ee5\u6392\u4e0a\u7528\u573a\u4e86(\u6bd4\u5982\u5728\u83b7\u53d6\u67d0\u4e00\u4e2a\u7f13\u5b58\u7684\u65f6\u5019\uff0c\u540c\u65f6\u5ef6\u957f\u5176\u8fc7\u671f\u65f6\u95f4)\u3002redis\u4fdd\u8bc1lua\u811a\u672c\u7684\u539f\u5b50\u6027\uff0c\u4e00\u5b9a\u7684\u573a\u666f\u4e0b\uff0c\u662f\u53ef\u4ee5\u4ee3\u66ffredis\u63d0\u4f9b\u7684\u4e8b\u52a1\u76f8\u5173\u7684\u547d\u4ee4\u7684\u3002\u76f8\u5f53\u4e8e\u57fa\u4e8e\u7f51\u7edc\u5e94\u7528\u7684\u67b6\u6784\u98ce\u683c\u4e2d\u4ecb\u7ecd\u5230\u7684\u8fdc\u7a0b\u6c42\u503c(Remote Evluation = REV)\u7684\u5177\u4f53\u5b9e\u73b0\u3002<\/p>\n

    4.4 \u7ba1\u9053<\/strong><\/p>\n

    \u56e0\u4e3aredis\u7684\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7684\u8fde\u63a5\u65f6\u57fa\u4e8eTCP\u7684\uff0c \u9ed8\u8ba4\u6bcf\u6b21\u8fde\u63a5\u90fd\u65f6\u53ea\u80fd\u6267\u884c\u4e00\u4e2a\u547d\u4ee4\u3002\u7ba1\u9053\u5219\u662f\u5141\u8bb8\u5229\u7528\u4e00\u6b21\u8fde\u63a5\u6765\u5904\u7406\u591a\u6761\u547d\u4ee4\uff0c\u4ece\u800c\u53ef\u4ee5\u8282\u7701\u4e00\u4e9btcp\u8fde\u63a5\u7684\u5f00\u9500\u3002\u7ba1\u9053\u548c\u4e8b\u52a1\u7684\u5dee\u5f02\u5728\u4e8e\u7ba1\u9053\u662f\u4e3a\u4e86\u8282\u7701\u901a\u4fe1\u7684\u5f00\u9500\uff0c\u4f46\u662f\u5e76\u4e0d\u4f1a\u4fdd\u8bc1\u539f\u5b50\u6027\u3002<\/p>\n

    4.5 \u5206\u5e03\u5f0f\u9501<\/strong><\/p>\n

    \u5b98\u65b9\u63a8\u8350\u91c7\u7528Redlock\u7b97\u6cd5\uff0c\u5373\u4f7f\u7528string\u7c7b\u578b\uff0c\u52a0\u9501\u7684\u65f6\u5019\u7ed9\u7684\u4e00\u4e2a\u5177\u4f53\u7684key\uff0c\u7136\u540e\u8bbe\u7f6e\u4e00\u4e2a\u968f\u673a\u7684\u503c;\u53d6\u6d88\u9501\u7684\u65f6\u5019\u7528\u4f7f\u7528lua\u811a\u672c\u6765\u5148\u6267\u884c\u83b7\u53d6\u6bd4\u8f83\uff0c\u7136\u540e\u518d\u5220\u9664key\u3002\u5177\u4f53\u7684\u547d\u4ee4\u5982\u4e0b\uff1a <\/p>\n<\/p>\n

      \n
    1. SET resource_name my_random_value NX PX 30000if redis.call(“get”,KEYS[1]) == ARGV[1] then return redis.call(“del”,KEYS[1])else return 0end <\/span><\/span> <\/span><\/li>\n
    2. \u603b\u7ed3 <\/span> <\/li>\n<\/ol>\n

      \u672c\u7bc7\u7740\u91cd\u4ece\u62bd\u8c61\u5c42\u9762\u6765\u89e3\u91ca\u4e0bredis\u7684\u5404\u9879\u529f\u80fd\u4ee5\u53ca\u5176\u5b58\u5728\u7684\u76ee\u7684\uff0c\u800c\u6ca1\u6709\u5173\u5fc3\u5176\u5177\u4f53\u7684\u7ec6\u8282\u662f\u4ec0\u4e48\u3002\u4ece\u800c\u53ef\u4ee5\u805a\u7126\u4e8e\u5176\u89e3\u51b3\u7684\u95ee\u9898\uff0c\u4f9d\u636e\u62bd\u8c61\u5c42\u9762\u7684\u6982\u5ff5\u53ef\u4ee5\u4f7f\u5f97\u6211\u4eec\u5728\u7279\u5b9a\u7684\u573a\u666f\u4e0b\u9009\u62e9\u66f4\u5408\u9002\u7684\u65b9\u6848\uff0c\u800c\u975e\u5c40\u9650\u4e8e\u5176\u6280\u672f\u7ec6\u8282\u3002<\/p>\n

      \u4ee5\u4e0a\u5747\u662f\u7b14\u8005\u4e2a\u4eba\u7684\u4e00\u4e9b\u7406\u89e3\uff0c\u5982\u679c\u4e0d\u5f53\u4e4b\u5904\uff0c\u6b22\u8fce\u6307\u6b63\u3002\u3000<\/p>\n","protected":false},"excerpt":{"rendered":"

      Redis\u7684\u5404\u9879\u529f\u80fd\u89e3\u51b3\u4e86\u54ea\u4e9b\u95ee...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201513","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201513","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201513"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201513\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201513"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201513"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201513"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}