{"id":201592,"date":"2025-05-10T08:51:37","date_gmt":"2025-05-10T00:51:37","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201592\/"},"modified":"2025-05-10T08:51:37","modified_gmt":"2025-05-10T00:51:37","slug":"redis%e7%9a%84%e6%95%b0%e6%8d%ae%e5%a4%8d%e5%88%b6%e8%bf%87%e7%a8%8b%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201592\/","title":{"rendered":"Redis\u7684\u6570\u636e\u590d\u5236\u8fc7\u7a0b\u8be6\u89e3"},"content":{"rendered":"

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

Redis\u7684\u6570\u636e\u590d\u5236\u8fc7\u7a0b\u8be6\u89e3<\/h1>\n

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

\u600e\u4e48\u5165\u95e8\u6570\u636e\u5e93\u7f16\u7a0b\uff1f\u9700\u8981\u5b66\u4e60\u54ea\u4e9b\u77e5\u8bc6\u70b9\uff1f\u8fd9\u662f\u65b0\u624b\u4eec\u521a\u63a5\u89e6\u7f16\u7a0b\u65f6\u5e38\u89c1\u7684\u95ee\u9898\uff1b\u4e0b\u9762golang\u5b66\u4e60\u7f51\u5c31\u6765\u7ed9\u5927\u5bb6\u6574\u7406\u5206\u4eab\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u591f\u7ed9\u521d\u5b66\u8005\u4e00\u4e9b\u5e2e\u52a9\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u4ecb\u7ecd\u300aRedis\u7684\u6570\u636e\u590d\u5236\u8fc7\u7a0b\u8be6\u89e3\u300b\uff0c\u6d89\u53ca\u5230\u590d\u5236\u3001redis\u6570\u636e\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u6536\u85cf\u4e00\u4e0b<\/p>\n

\u4ecb\u7ecd Redis \u7684\u590d\u5236<\/h2>\n

Redis \u7684\u590d\u5236\u529f\u80fd\u5206\u4e3a\u540c\u6b65\uff08sync\uff09\u548c\u547d\u4ee4\u4f20\u64ad\uff08command propagate\uff09\u8fd9\u4e24\u4e2a\u64cd\u4f5c<\/p>\n

    \n
  • \u540c\u6b65\u64cd\u4f5c\u7528\u4e8e\uff0c\u5c06\u4ece\u670d\u52a1\u5668\u7684\u6570\u636e\u5e93\u72b6\u6001\u66f4\u65b0\u81f3\u4e3b\u670d\u52a1\u5668\u5f53\u524d\u6240\u5904\u7684\u6570\u636e\u5e93\u72b6\u6001\uff1b<\/li>\n
  • \u547d\u4ee4\u4f20\u64ad\u64cd\u4f5c\u7528\u4e8e\uff0c\u5728\u4e3b\u670d\u52a1\u5668\u7684\u6570\u636e\u5e93\u72b6\u6001\u88ab\u4fee\u6539\uff0c\u5bfc\u81f4\u4e3b\u4ece\u670d\u52a1\u5668\u7684\u6570\u636e\u5e93\u72b6\u6001\u51fa\u73b0\u4e0d\u4e00\u81f4\u65f6\uff0c\u8ba9\u4e3b\u4ece\u670d\u52a1\u5668\u7684\u6570\u636e\u5e93\u91cd\u65b0\u56de\u5230\u4e00\u81f4\u72b6\u6001\u3002<\/li>\n<\/ul>\n
    \n

    \u5982\u679c\u4e3b\u4ece\u670d\u52a1\u5668\u53cc\u65b9\u7684\u6570\u636e\u5e93\u4fdd\u5b58\u76f8\u540c\u7684\u6570\u636e\uff0c\u6211\u4eec\u79f0\u4e3b\u4ece\u670d\u52a1\u5668\u7684\u6570\u636e\u5e93\u72b6\u6001\u4e00\u81f4<\/p>\n<\/blockquote>\n

    \u5f53\u4ece\u670d\u52a1\u5668\u7b2c\u4e00\u6b21\u8fde\u63a5\u4e3b\u670d\u52a1\u5668\u65f6\uff0cRedis \u4f7f\u7528\u5168\u91cf\u590d\u5236\u8fdb\u884c\u6570\u636e\u540c\u6b65\u3002<\/p>\n

    \u5f53\u4ece\u670d\u52a1\u5668\u5728\u65ad\u7ebf\u540e\u91cd\u65b0\u8fde\u63a5\u4e3b\u670d\u52a1\u5668\u65f6\uff0cRedis \u4f7f\u7528\u589e\u91cf\u590d\u5236\u8fdb\u884c\u6570\u636e\u540c\u6b65\u3002<\/p>\n

    \u5b8c\u6574\u91cd\u540c\u6b65<\/h2>\n

    \u5168\u91cf\u590d\u5236\uff0c\u4e5f\u88ab\u79f0\u4e3a\u5b8c\u6574\u91cd\u540c\u6b65\u3002<\/p>\n

    \u5f53\u5ba2\u6237\u7aef\u5411\u4ece\u670d\u52a1\u5668\u53d1\u9001 slaveof \u547d\u4ee4\uff0c\u8981\u6c42\u4ece\u670d\u52a1\u5668\u590d\u5236\u4e3b\u670d\u52a1\u5668\u65f6\uff0c\u4ece\u670d\u52a1\u5668\u9996\u5148\u9700\u8981\u6267\u884c\u540c\u6b65\u64cd\u4f5c\uff0c\u5c06\u4ece\u670d\u52a1\u5668\u7684\u6570\u636e\u5e93\u72b6\u6001\u66f4\u65b0\u81f3\u4e3b\u670d\u52a1\u5668\u5f53\u524d\u6240\u5904\u7684\u6570\u636e\u5e93\u72b6\u6001\u3002<\/p>\n

    \u4ece\u670d\u52a1\u5668\u5bf9\u4e3b\u670d\u52a1\u5668\u7684\u5b8c\u6574\u91cd\u540c\u6b65\u64cd\u4f5c\uff0c\u9700\u8981\u901a\u8fc7\u5411\u4e3b\u670d\u52a1\u5668\u53d1\u9001 psync \u547d\u4ee4\u6765\u5b8c\u6210\u3002psync \u7684\u547d\u4ee4\u4e3a\uff1apsync ? -1<\/p>\n

    psync \u547d\u4ee4\u5728\u5b8c\u6574\u91cd\u540c\u6b65\u6a21\u5f0f\u4e0b\u7684\u7684\u6267\u884c\u6b65\u9aa4\uff1a\u8ba9\u4e3b\u670d\u52a1\u5668\u521b\u5efa\u5e76\u53d1\u9001 RDB \u6587\u4ef6\uff0c\u4ee5\u53ca\u4e3b\u670d\u52a1\u5668\u5411\u4ece\u670d\u52a1\u5668\u53d1\u9001\u4fdd\u5b58\u5728\u7f13\u51b2\u533a\u91cc\u9762\u7684\u5199\u547d\u4ee4\u6765\u8fdb\u884c\u540c\u6b65\u3002<\/p>\n

      \n
    • \u4ece\u670d\u52a1\u5668\u5411\u4e3b\u670d\u52a1\u5668\u53d1\u9001 psync \u547d\u4ee4\u3002<\/li>\n
    • \u4e3b\u670d\u52a1\u5668\u6536\u5230 psync \u547d\u4ee4\u540e\uff0c\u4e3b\u670d\u52a1\u5668\u6267\u884c bgsave \u547d\u4ee4\uff0c\u5728\u540e\u53f0\u751f\u6210\u4e00\u4e2a RDB \u6587\u4ef6\uff0c\u5e76\u4f7f\u7528\u4e00\u4e2a\u7f13\u51b2\u533a\uff08replication buffer\uff09\u8bb0\u5f55\u4ece\u73b0\u5728\u5f00\u59cb\u6267\u884c\u7684\u6240\u6709\u5199\u547d\u4ee4\u3002<\/li>\n
    • \u4e3b\u670d\u52a1\u5668\u7ed9\u4ece\u670d\u52a1\u5668\u540c\u6b65\u6570\u636e\uff1a\u5f53\u4e3b\u670d\u52a1\u5668\u7684 bgsave \u547d\u4ee4\u6267\u884c\u5b8c\u6bd5\u65f6\uff0c\u4e3b\u670d\u52a1\u5668\u4f1a\u5c06 bgsave \u547d\u4ee4\u751f\u6210\u7684 RDB \u6587\u4ef6\u53d1\u9001\u7ed9\u4ece\u670d\u52a1\u5668\uff0c\u4ece\u670d\u52a1\u5668\u63a5\u6536\u5e76\u8f7d\u5165\u8fd9\u4e2a RDB \u6587\u4ef6\uff0c\u5c06\u81ea\u5df1\u7684\u6570\u636e\u5e93\u72b6\u6001\u66f4\u65b0\u81f3\u4e3b\u670d\u52a1\u5668\u6267\u884c bgsave \u547d\u4ee4\u65f6\u7684\u6570\u636e\u5e93\u72b6\u6001\u3002<\/li>\n
    • \u4e3b\u670d\u52a1\u5668\u7ed9\u4ece\u670d\u52a1\u5668\u53d1\u9001\u7f13\u51b2\u533a\u91cc\u9762\u7684\u6240\u6709\u5199\u547d\u4ee4\uff1a\u4e3b\u670d\u52a1\u5668\u5c06\u8bb0\u5f55\u5728\u7f13\u51b2\u533a\u91cc\u9762\u7684\u6240\u6709\u5199\u547d\u4ee4\u53d1\u9001\u7ed9\u4ece\u670d\u52a1\u5668\uff0c \u4ece\u670d\u52a1\u5668\u6267\u884c\u8fd9\u4e9b\u5199\u547d\u4ee4\uff0c\u5c06\u81ea\u5df1\u7684\u6570\u636e\u5e93\u72b6\u6001\u66f4\u65b0\u81f3\u4e3b\u670d\u52a1\u5668\u6570\u636e\u5e93\u5f53\u524d\u6240\u5904\u7684\u72b6\u6001\u3002<\/li>\n<\/ul>\n

      \u9700\u8981\u6ce8\u610f\u7684\u662f\uff1a<\/p>\n

      \u4ece\u5e93\u5728\u5f00\u59cb\u548c\u4e3b\u5e93\u8fdb\u884c\u6570\u636e\u590d\u5236\u524d\uff0c\u53ef\u80fd\u4fdd\u5b58\u4e86\u5176\u4ed6\u6570\u636e\u3002\u4e3a\u4e86\u907f\u514d\u4e4b\u524d\u6570\u636e\u7684\u5f71\u54cd\uff0c\u4ece\u5e93\u5728\u6536\u5230\u4e3b\u5e93\u53d1\u9001\u7684 RDB \u6587\u4ef6\u540e\uff0c\u4f1a\u5148\u628a\u81ea\u5df1\u5f53\u524d\u7684\u6570\u636e\u5e93\u6e05\u7a7a\u3002<\/p>\n

      <\/p>\n

      \u4ecb\u7ecd \u504f\u79fb\u91cf & \u79ef\u538b\u7f13\u51b2\u533a & \u8fd0\u884cID<\/h2>\n

      \u90e8\u5206\u91cd\u540c\u6b65\u529f\u80fd\u901a\u8fc7\u4ee5\u4e0b\u4e09\u4e2a\u90e8\u5206\u6765\u5b9e\u73b0\uff1a<\/p>\n

        \n
      • \u4e3b\u670d\u52a1\u5668\u7684\u590d\u5236\u504f\u79fb\u91cf \u548c \u4ece\u670d\u52a1\u5668\u7684\u590d\u5236\u504f\u79fb\u91cf\uff08replication offset\uff09<\/li>\n
      • \u4e3b\u670d\u52a1\u5668\u7684\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\uff08replication backlog buffer\uff09<\/li>\n
      • \u670d\u52a1\u5668\u7684\u8fd0\u884c ID\uff08run ID\uff09<\/li>\n<\/ul>\n

        \u590d\u5236\u504f\u79fb\u91cf<\/h3>\n

        \u4e3b\u670d\u52a1\u5668\u548c\u4ece\u670d\u52a1\u5668\u4f1a\u5206\u522b\u7ef4\u62a4\u4e00\u4e2a\u590d\u5236\u504f\u79fb\u91cf\uff1a<\/p>\n

          \n
        • \u4e3b\u670d\u52a1\u5668\u6bcf\u6b21\u5411\u4ece\u670d\u52a1\u5668\u4f20\u64ad N \u4e2a\u5b57\u8282\u7684\u6570\u636e\u65f6\uff0c\u5c31\u5c06\u81ea\u5df1\u7684\u590d\u5236\u504f\u79fb\u91cf\u7684\u503c\u52a0\u4e0a N\u3002<\/li>\n
        • \u4ece\u670d\u52a1\u5668\u6bcf\u6b21\u6536\u5230\u4e3b\u670d\u52a1\u5668\u4f20\u64ad\u6765\u7684 N \u4e2a\u5b57\u8282\u7684\u6570\u636e\u65f6\uff0c\u5c31\u5c06\u81ea\u5df1\u7684\u590d\u5236\u504f\u79fb\u91cf\u7684\u503c\u52a0\u4e0a N\u3002<\/li>\n<\/ul>\n

          \u901a\u8fc7\u5bf9\u6bd4\u4e3b\u4ece\u670d\u52a1\u5668\u7684\u590d\u5236\u504f\u79fb\u91cf\uff0c\u7a0b\u5e8f\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u77e5\u9053\u4e3b\u4ece\u670d\u52a1\u5668\u662f\u5426\u5904\u4e8e\u4e00\u81f4\u72b6\u6001\uff1a<\/p>\n

            \n
          • \u5982\u679c\u4e3b\u4ece\u670d\u52a1\u5668\u4e24\u8005\u7684\u504f\u79fb\u91cf\u603b\u662f\u76f8\u540c\uff0c\u90a3\u4e48\u8bf4\u660e\u4e3b\u4ece\u670d\u52a1\u5668\u5904\u4e8e\u4e00\u81f4\u72b6\u6001\u3002<\/li>\n
          • \u5982\u679c\u4e3b\u4ece\u670d\u52a1\u5668\u4e24\u8005\u7684\u504f\u79fb\u91cf\u5e76\u4e0d\u76f8\u540c\uff0c\u90a3\u4e48\u8bf4\u660e\u4e3b\u4ece\u670d\u52a1\u5668\u5e76\u672a\u5904\u4e8e\u4e00\u81f4\u72b6\u6001\u3002<\/li>\n<\/ul>\n

            \u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a<\/h3>\n

            \u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\uff08repl_backlog_buffer\uff09\u662f\u7531\u4e3b\u670d\u52a1\u5668\u7ef4\u62a4\u7684\u4e00\u4e2a\u56fa\u5b9a\u957f\u5ea6\u7684\u5148\u8fdb\u5148\u51fa\uff08FIFO\uff09\u961f\u5217\u3002<\/p>\n

            \u56fa\u5b9a\u6307\u7684\u662f\uff0c\u5f53\u5165\u961f\u5143\u7d20\u7684\u6570\u91cf\u5927\u4e8e\u961f\u5217\u957f\u5ea6\u65f6\uff0c\u6700\u5148\u5165\u961f\u7684\u5143\u7d20\u4f1a\u88ab\u5f39\u51fa\uff0c\u800c\u65b0\u5143\u7d20\u4f1a\u88ab\u653e\u5165\u961f\u5217\u3002\u6216\u8005\u7406\u89e3\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u4e3a\u4e00\u4e2a\u73af\u5f62\u7f13\u51b2\u533a\u3002<\/p>\n

            \u5f53\u4e3b\u670d\u52a1\u5668\u8fdb\u884c\u547d\u4ee4\u4f20\u64ad\u65f6\uff0c\u5b83\u4e0d\u4ec5\u4f1a\u5c06\u5199\u547d\u4ee4\u53d1\u9001\u7ed9\u6240\u6709\u4ece\u670d\u52a1\u5668\uff0c\u8fd8\u4f1a\u5c06\u5199\u547d\u4ee4\u5165\u961f\u5230\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u91cc\u9762\u3002<\/p>\n

            <\/p>\n

            \u56e0\u6b64\uff0c\u4e3b\u670d\u52a1\u5668\u7684\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u91cc\u9762\u4f1a\u4fdd\u5b58\u7740\u4e00\u90e8\u5206\u6700\u8fd1\u4f20\u64ad\u7684\u5199\u547d\u4ee4\uff0c\u5e76\u4e14\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u4f1a\u4e3a\u961f\u5217\u4e2d\u7684\u6bcf\u4e2a\u5b57\u8282\u8bb0\u5f55\u76f8\u5e94\u7684\u590d\u5236\u504f\u79fb\u91cf\u3002<\/p>\n

            <\/p>\n

            \u5f53\u4ece\u670d\u52a1\u5668\u5728\u65ad\u7ebf\u540e\u91cd\u65b0\u8fde\u63a5\u4e3b\u670d\u52a1\u5668\u65f6\uff0c\u4ece\u670d\u52a1\u5668\u4f1a\u901a\u8fc7 psync \u547d\u4ee4\u5c06\u81ea\u5df1\u7684\u590d\u5236\u504f\u79fb\u91cf offset \u53d1\u9001\u7ed9\u4e3b\u670d\u52a1\u5668\uff0c\u4e3b\u670d\u52a1\u5668\u4f1a\u6839\u636e\u8fd9\u4e2a\u590d\u5236\u504f\u79fb\u91cf\u6765\u51b3\u5b9a\u5bf9\u4ece\u670d\u52a1\u5668\u6267\u884c\u5b8c\u6574\u91cd\u540c\u6b65\u8fd8\u662f\u90e8\u5206\u91cd\u540c\u6b65\u64cd\u4f5c\uff1a<\/p>\n

              \n
            • \u5982\u679c offset \u504f\u79fb\u91cf\u4e4b\u540e\u7684\u6570\u636e\uff08\u4e5f\u5373\u662f\u504f\u79fb\u91cf offset+1 \u5f00\u59cb\u7684\u6570\u636e\uff09\u4ecd\u7136\u5b58\u5728\u4e8e\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u91cc\u9762\uff0c\u90a3\u4e48\u4e3b\u670d\u52a1\u5668\u5c06\u5bf9\u4ece\u670d\u52a1\u5668\u6267\u884c\u90e8\u5206\u91cd\u540c\u6b65\u64cd\u4f5c\u3002<\/li>\n
            • \u5982\u679c offset \u504f\u79fb\u91cf\u4e4b\u540e\u7684\u6570\u636e\u5df2\u7ecf\u4e0d\u5b58\u5728\u4e8e\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\uff0c\u90a3\u4e48\u4e3b\u670d\u52a1\u5668\u5c06\u5bf9\u4ece\u670d\u52a1\u5668\u6267\u884c\u5b8c\u6574\u91cd\u540c\u6b65\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n

              \u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u7684\u5927\u5c0f<\/p>\n

              Redis \u4e3a\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u8bbe\u7f6e\u7684\u9ed8\u8ba4\u5927\u5c0f\u4e3a 1MB\uff0c\u5982\u679c\u4e3b\u670d\u52a1\u5668\u9700\u8981\u6267\u884c\u5927\u91cf\u7684\u5199\u547d\u4ee4\uff0c\u53c8\u6216\u8005\u4e3b\u4ece\u670d\u52a1\u5668\u65ad\u7ebf\u540e\u91cd\u8fde\u63a5\u6240\u9700\u7684\u65f6\u95f4\u6bd4\u8f83\u957f\uff0c\u90a3\u4e48\u8fd9\u4e2a\u5927\u5c0f\u4e5f\u8bb8\u5e76\u4e0d\u5408\u9002\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7 repl-backlog-size \u9009\u9879\u4fee\u6539\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u3002<\/p>\n

              \u5982\u679c\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u8bbe\u7f6e\u5f97\u4e0d\u6070\u5f53\uff0c\u90a3\u4e48 psync \u547d\u4ee4\u7684\u90e8\u5206\u91cd\u540c\u6b65\u590d\u5236\u5c31\u4e0d\u80fd\u6b63\u5e38\u53d1\u6325\u4f5c\u7528\u3002\u56e0\u6b64\uff0c\u6b63\u786e\u4f30\u7b97\u548c\u8bbe\u7f6e\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u975e\u5e38\u91cd\u8981\u3002<\/p>\n

              \u4e3a\u4e86\u4fdd\u8bc1\u4e3b\u4ece\u670d\u52a1\u5668\u65ad\u7ebf\u5e76\u91cd\u8fde\u63a5\u540e\u53ef\u4ee5\u4f7f\u7528\u90e8\u5206\u91cd\u540c\u6b65\u529f\u80fd\uff0c\u6211\u4eec\u9700\u8981\u4fdd\u8bc1\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u8db3\u591f\u5927\u3002\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u7684\u6700\u5c0f\u5927\u5c0f\u53ef\u4ee5\u6839\u636e\u516c\u5f0f second * write_size_per_second \u6765\u4f30\u7b97\uff1a<\/p>\n

                \n
              • second \u662f\u4ece\u670d\u52a1\u5668\u65ad\u7ebf\u540e\u91cd\u65b0\u8fde\u63a5\u4e0a\u4e3b\u670d\u52a1\u5668\u6240\u9700\u7684\u5e73\u5747\u65f6\u95f4\uff08\u4ee5\u79d2\u8ba1\u7b97\uff09\u3002<\/li>\n
              • write_size_per_second \u662f\u4e3b\u670d\u52a1\u5668\u5e73\u5747\u6bcf\u79d2\u4ea7\u751f\u7684\u5199\u547d\u4ee4\u6570\u636e\u91cf\uff08\u534f\u8bae\u683c\u5f0f\u7684\u5199\u547d\u4ee4\u7684\u957f\u5ea6\u603b\u548c\uff09\u3002<\/li>\n<\/ul>\n

                \u4f8b\u5982\uff0c\u5982\u679c\u4e3b\u670d\u52a1\u5668\u5e73\u5747\u6bcf\u79d2\u4ea7\u751f1 MB\u7684\u5199\u6570\u636e\uff0c\u800c\u4ece\u670d\u52a1\u5668\u65ad\u7ebf\u4e4b\u540e\u5e73\u5747\u8981 5 \u79d2\u624d\u80fd\u91cd\u65b0\u8fde\u63a5\u4e0a\u4e3b\u670d\u52a1\u5668\uff0c\u90a3\u4e48\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u5c31\u4e0d\u80fd\u4f4e\u4e8e 5 MB\u3002<\/p>\n

                \u4e3a\u4e86\u5b89\u5168\u8d77\u89c1\uff0c\u53ef\u4ee5\u5c06\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u8bbe\u4e3a\uff1a 2 * second * write_size_per_second\uff0c\u8fd9\u6837\u53ef\u4ee5\u4fdd\u8bc1\u7edd\u5927\u90e8\u5206\u65ad\u7ebf\u60c5\u51b5\u90fd\u80fd\u7528\u90e8\u5206\u91cd\u540c\u6b65\u6765\u5904\u7406\u3002<\/p>\n

                \u670d\u52a1\u5668\u8fd0\u884c ID<\/h3>\n

                \u6bcf\u4e2a Redis \u670d\u52a1\u5668\uff0c\u4e0d\u8bba\u4e3b\u670d\u52a1\u5668\u8fd8\u662f\u4ece\u670d\u52a1\uff0c\u90fd\u4f1a\u6709\u81ea\u5df1\u7684\u8fd0\u884c ID\u3002\u8fd0\u884c ID \u5728\u670d\u52a1\u5668\u542f\u52a8\u65f6\u81ea\u52a8\u751f\u6210\uff0c\u7531 40 \u4e2a\u968f\u673a\u7684\u5341\u516d\u8fdb\u5236\u5b57\u7b26\u7ec4\u6210\uff0c\u4f8b\u5982\uff1a53b9b28df8042fdc9ab5e3fcbbbabff1d5dce2b3\u3002<\/p>\n

                \u5f53\u4ece\u670d\u52a1\u5668\u5bf9\u4e3b\u670d\u52a1\u5668\u8fdb\u884c\u521d\u6b21\u590d\u5236\u65f6\uff0c\u4e3b\u670d\u52a1\u5668\u4f1a\u5c06\u81ea\u5df1\u7684\u8fd0\u884c ID \u53d1\u9001\u7ed9\u4ece\u670d\u52a1\u5668\uff0c\u800c\u4ece\u670d\u52a1\u5668\u4f1a\u5c06\u4e3b\u670d\u52a1\u5668\u7684\u8fd9\u4e2a\u8fd0\u884c ID \u4fdd\u5b58\u8d77\u6765\u3002 \u5f53\u4ece\u670d\u52a1\u5668\u65ad\u7ebf\u5e76\u91cd\u65b0\u8fde\u4e0a\u4e00\u4e2a\u4e3b\u670d\u52a1\u5668\u65f6\uff0c\u4ece\u670d\u52a1\u5668\u5c06\u5411\u5f53\u524d\u8fde\u63a5\u7684\u4e3b\u670d\u52a1\u5668\u53d1\u9001\u4e4b\u524d\u4fdd\u5b58\u7684\u4e3b\u670d\u52a1\u5668\u7684\u8fd0\u884c ID\uff1a<\/p>\n

                  \n
                • \u5982\u679c\u4ece\u670d\u52a1\u5668\u4fdd\u5b58\u7684\u4e3b\u670d\u52a1\u5668\u7684\u8fd0\u884c ID \u548c\u5f53\u524d\u8fde\u63a5\u7684\u4e3b\u670d\u52a1\u5668\u7684\u8fd0\u884c ID \u76f8\u540c\uff0c\u90a3\u4e48\u8bf4\u660e\u4ece\u670d\u52a1\u5668\u65ad\u7ebf\u4e4b\u524d\u590d\u5236\u7684\u5c31\u662f\u5f53\u524d\u8fde\u63a5\u7684\u8fd9\u4e2a\u4e3b\u670d\u52a1\u5668\uff0c \u4e3b\u670d\u52a1\u5668\u53ef\u4ee5\u7ee7\u7eed\u5c1d\u8bd5\u6267\u884c\u90e8\u5206\u91cd\u540c\u6b65\u64cd\u4f5c\u3002<\/li>\n
                • \u5982\u679c\u4ece\u670d\u52a1\u5668\u4fdd\u5b58\u7684\u4e3b\u670d\u52a1\u5668\u7684\u8fd0\u884c ID \u548c\u5f53\u524d\u8fde\u63a5\u7684\u4e3b\u670d\u52a1\u5668\u7684\u8fd0\u884c ID \u5e76\u4e0d\u76f8\u540c\uff0c\u90a3\u4e48\u8bf4\u660e\u4ece\u670d\u52a1\u5668\u65ad\u7ebf\u4e4b\u524d\u590d\u5236\u7684\u4e3b\u670d\u52a1\u5668\u5e76\u4e0d\u662f\u5f53\u524d\u8fde\u63a5\u7684\u8fd9\u4e2a\u4e3b\u670d\u52a1\u5668\uff0c\u4e3b\u670d\u52a1\u5668\u5c06\u5bf9\u4ece\u670d\u52a1\u5668\u6267\u884c\u5b8c\u6574\u91cd\u540c\u6b65\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n

                  \u90e8\u5206\u91cd\u540c\u6b65<\/h2>\n

                  \u589e\u91cf\u590d\u5236\uff0c\u4e5f\u88ab\u79f0\u4e3a\u90e8\u5206\u91cd\u540c\u6b65\u3002<\/p>\n

                  \u5728 Redis \u4e2d\uff0c\u4ece\u5e93\u5bf9\u4e3b\u5e93\u7684\u590d\u5236\u53ef\u4ee5\u5206\u4e3a\u4ee5\u4e0b\u4e24\u79cd\u60c5\u51b5\uff1a<\/p>\n

                    \n
                  • \u521d\u6b21\u590d\u5236\uff1a\u4ece\u5e93\u4ee5\u524d\u6ca1\u6709\u590d\u5236\u8fc7\u4efb\u4f55\u4e3b\u5e93\uff0c\u6216\u8005\u4ece\u5e93\u5f53\u524d\u8981\u590d\u5236\u7684\u4e3b\u670d\u52a1\u5668\u548c\u4e0a\u4e00\u6b21\u590d\u5236\u7684\u4e3b\u670d\u52a1\u5668\u4e0d\u540c\u3002<\/li>\n
                  • \u7f51\u7edc\u65ad\u7ebf\u91cd\u8fde\u540e\u590d\u5236\uff1a\u5904\u4e8e\u547d\u4ee4\u4f20\u64ad\u9636\u6bb5\u7684\u4e3b\u4ece\u5e93\u56e0\u4e3a\u7f51\u7edc\u539f\u56e0\u800c\u4e2d\u65ad\u4e86\u590d\u5236\uff0c\u4f46\u4ece\u5e93\u901a\u8fc7\u81ea\u52a8\u91cd\u8fde\u63a5\u91cd\u65b0\u8fde\u4e0a\u4e86\u4e3b\u5e93\uff0c\u5e76\u7ee7\u7eed\u590d\u5236\u4e3b\u670d\u3002<\/li>\n<\/ul>\n

                    \u5728 Redis 2.8 \u4e4b\u524d\uff0c\u5982\u679c\u4e3b\u4ece\u5e93\u5728\u547d\u4ee4\u4f20\u64ad\u65f6\u51fa\u73b0\u4e86\u7f51\u7edc\u4e2d\u65ad\uff0c\u90a3\u4e48\u5728\u65ad\u7ebf\u91cd\u8fde\u540e\uff0c\u4ece\u5e93\u4f1a\u548c\u4e3b\u5e93\u91cd\u65b0\u8fdb\u884c\u4e00\u6b21\u5168\u91cf\u590d\u5236\uff0c\u5f00\u9500\u975e\u5e38\u5927\u3002<\/p>\n

                    \u4ece 2.8 \u7248\u672c\u5f00\u59cb\uff0cRedis \u5f15\u5165\u4e86\u90e8\u5206\u91cd\u540c\u6b65\u529f\u80fd\u3002\u90e8\u5206\u91cd\u540c\u6b65\u6307\u7684\u662f\uff0c\u4ece\u670d\u52a1\u5668\u53ea\u540c\u6b65\u4e3b\u670d\u52a1\u5668\u7684\u90e8\u5206\u6570\u636e\u3002\u5f53\u4ece\u670d\u52a1\u5668\u5728\u65ad\u7ebf\u540e\u91cd\u65b0\u8fde\u63a5\u4e3b\u670d\u52a1\u5668\u65f6\uff0c\u5982\u679c\u6761\u4ef6\u5141\u8bb8\uff0c\u4e3b\u670d\u52a1\u5668\u53ef\u4ee5\u5c06\u4e3b\u4ece\u670d\u52a1\u5668\u8fde\u63a5\u65ad\u5f00\u671f\u95f4\u6267\u884c\u7684\u5199\u547d\u4ee4\u53d1\u9001\u7ed9\u4ece\u670d\u52a1\u5668\uff0c\u4ece\u670d\u52a1\u5668\u53ea\u8981\u63a5\u6536\u5e76\u6267\u884c\u8fd9\u4e9b\u5199\u547d\u4ee4\uff0c\u5c31\u53ef\u4ee5\u5c06\u6570\u636e\u5e93\u66f4\u65b0\u81f3\u4e3b\u670d\u52a1\u5668\u5f53\u524d\u6240\u5904\u7684\u72b6\u6001\u3002<\/p>\n

                    \u6267\u884c\u90e8\u5206\u91cd\u540c\u6b65\u662f\u6709\u524d\u63d0\u6761\u4ef6\u7684\u3002<\/p>\n

                      \n
                    • offset \u504f\u79fb\u91cf<\/li>\n
                    • \u8fd0\u884c ID<\/li>\n<\/ul>\n

                      \u5f53\u4ece\u670d\u52a1\u5668\u5bf9\u4e3b\u670d\u52a1\u5668\u8fdb\u884c\u521d\u6b21\u590d\u5236\u65f6\uff0c\u4e3b\u670d\u52a1\u5668\u4f1a\u5c06\u81ea\u5df1\u7684\u8fd0\u884c ID \u53d1\u9001\u7ed9\u4ece\u670d\u52a1\u5668\uff0c\u800c\u4ece\u670d\u52a1\u5668\u4f1a\u5c06\u4e3b\u670d\u52a1\u5668\u7684\u8fd9\u4e2a\u8fd0\u884c ID \u4fdd\u5b58\u8d77\u6765\u3002 \u5f53\u4ece\u670d\u52a1\u5668\u65ad\u7ebf\u5e76\u91cd\u65b0\u8fde\u4e0a\u4e00\u4e2a\u4e3b\u670d\u52a1\u5668\u65f6\uff0c\u4ece\u670d\u52a1\u5668\u4f1a\u901a\u8fc7 psync \u547d\u4ee4\u5c06\u81ea\u5df1\u7684\u590d\u5236\u504f\u79fb\u91cf offset \u548c \u4e4b\u524d\u4fdd\u5b58\u7684\u4e3b\u670d\u52a1\u5668\u7684\u8fd0\u884c ID \u53d1\u9001\u7ed9\u4e3b\u670d\u52a1\u5668\u3002<\/p>\n

                      \u4e3b\u670d\u52a1\u5668\u4f1a\u6839\u636e\u8fd9\u4e2a\u590d\u5236\u504f\u79fb\u91cf \u548c \u8fd0\u884cID \u6765\u51b3\u5b9a\u5bf9\u4ece\u670d\u52a1\u5668\u6267\u884c\u5b8c\u6574\u91cd\u540c\u6b65\u8fd8\u662f\u90e8\u5206\u91cd\u540c\u6b65\u64cd\u4f5c\uff1a<\/p>\n

                        \n
                      • \u5982\u679c\u4ece\u670d\u52a1\u5668\u4fdd\u5b58\u7684\u4e3b\u670d\u52a1\u5668\u7684\u8fd0\u884c ID \u548c\u5f53\u524d\u8fde\u63a5\u7684\u4e3b\u670d\u52a1\u5668\u7684\u8fd0\u884c ID \u76f8\u540c\uff0c\u90a3\u4e48\u8bf4\u660e\u4ece\u670d\u52a1\u5668\u65ad\u7ebf\u4e4b\u524d\u590d\u5236\u7684\u5c31\u662f\u5f53\u524d\u8fde\u63a5\u7684\u8fd9\u4e2a\u4e3b\u670d\u52a1\u5668\uff0c \u4e3b\u670d\u52a1\u5668\u53ef\u4ee5\u7ee7\u7eed\u5c1d\u8bd5\u6267\u884c\u90e8\u5206\u91cd\u540c\u6b65\u64cd\u4f5c\u3002<\/li>\n
                      • \u5982\u679c\u4ece\u670d\u52a1\u5668\u4fdd\u5b58\u7684\u4e3b\u670d\u52a1\u5668\u7684\u8fd0\u884c ID \u548c\u5f53\u524d\u8fde\u63a5\u7684\u4e3b\u670d\u52a1\u5668\u7684\u8fd0\u884c ID \u5e76\u4e0d\u76f8\u540c\uff0c\u90a3\u4e48\u8bf4\u660e\u4ece\u670d\u52a1\u5668\u65ad\u7ebf\u4e4b\u524d\u590d\u5236\u7684\u4e3b\u670d\u52a1\u5668\u5e76\u4e0d\u662f\u5f53\u524d\u8fde\u63a5\u7684\u8fd9\u4e2a\u4e3b\u670d\u52a1\u5668\uff0c\u4e3b\u670d\u52a1\u5668\u5c06\u5bf9\u4ece\u670d\u52a1\u5668\u6267\u884c\u5b8c\u6574\u91cd\u540c\u6b65\u64cd\u4f5c\u3002<\/li>\n
                      • <\/li>\n
                      • \u5982\u679c offset \u504f\u79fb\u91cf\u4e4b\u540e\u7684\u6570\u636e\uff08\u4e5f\u5373\u662f\u504f\u79fb\u91cf offset+1 \u5f00\u59cb\u7684\u6570\u636e\uff09\u4ecd\u7136\u5b58\u5728\u4e8e\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u91cc\u9762\uff0c\u90a3\u4e48\u4e3b\u670d\u52a1\u5668\u5c06\u5bf9\u4ece\u670d\u52a1\u5668\u6267\u884c\u90e8\u5206\u91cd\u540c\u6b65\u64cd\u4f5c\u3002<\/li>\n
                      • \u5982\u679c offset \u504f\u79fb\u91cf\u4e4b\u540e\u7684\u6570\u636e\u5df2\u7ecf\u4e0d\u5b58\u5728\u4e8e\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\uff0c\u90a3\u4e48\u4e3b\u670d\u52a1\u5668\u5c06\u5bf9\u4ece\u670d\u52a1\u5668\u6267\u884c\u5b8c\u6574\u91cd\u540c\u6b65\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n

                        \u4ece\u670d\u52a1\u5668\u5bf9\u4e3b\u670d\u52a1\u5668\u7684\u90e8\u5206\u91cd\u540c\u6b65\u64cd\u4f5c\uff0c\u9700\u8981\u901a\u8fc7\u5411\u4e3b\u670d\u52a1\u5668\u53d1\u9001 psync \u547d\u4ee4\u6765\u5b8c\u6210\u3002psync \u547d\u4ee4\u4e3a\uff1apsync <\/p>\n

                        <\/p>\n

                        psync \u547d\u4ee4<\/h2>\n

                        \u4ece\u670d\u52a1\u5668\u5bf9\u4e3b\u670d\u52a1\u5668\u7684\u540c\u6b65\u64cd\u4f5c\uff0c\u9700\u8981\u901a\u8fc7\u5411\u4e3b\u670d\u52a1\u5668\u53d1\u9001 psync \u547d\u4ee4\u6765\u5b8c\u6210\u3002<\/p>\n

                        psync \u547d\u4ee4\u5177\u6709\u5b8c\u6574\u91cd\u540c\u6b65\uff08full resynchronization\uff09\u548c\u90e8\u5206\u91cd\u540c\u6b65 \uff08partial resynchronization\uff09\u4e24\u79cd\u6a21\u5f0f\uff1a<\/p>\n

                          \n
                        • \u5b8c\u6574\u91cd\u540c\u6b65\u7528\u4e8e\uff0c\u5904\u7406\u521d\u6b21\u590d\u5236\u60c5\u51b5\uff1b<\/li>\n
                        • \u90e8\u5206\u91cd\u540c\u6b65\u7528\u4e8e\uff0c\u5904\u7406\u65ad\u7ebf\u540e\u91cd\u590d\u5236\u60c5\u51b5\uff1a\u5f53\u4ece\u670d\u52a1\u5668\u5728\u65ad\u7ebf\u540e\u91cd\u65b0\u8fde\u63a5\u4e3b\u670d\u52a1\u5668\u65f6\uff0c\u5982\u679c\u6761\u4ef6\u5141\u8bb8\uff0c\u4e3b\u670d\u52a1\u5668\u53ef\u4ee5\u5c06\u4e3b\u4ece\u670d\u52a1\u5668\u8fde \u63a5\u65ad\u5f00\u671f\u95f4\u6267\u884c\u7684\u5199\u547d\u4ee4\u53d1\u9001\u7ed9\u4ece\u670d\u52a1\u5668\uff0c\u4ece\u670d\u52a1\u5668\u53ea\u8981\u63a5\u6536\u5e76\u6267\u884c\u8fd9 \u4e9b\u5199\u547d\u4ee4\uff0c\u5c31\u53ef\u4ee5\u5c06\u6570\u636e\u5e93\u66f4\u65b0\u81f3\u4e3b\u670d\u52a1\u5668\u5f53\u524d\u6240\u5904\u7684\u72b6\u6001\u3002<\/li>\n<\/ul>\n

                          psync \u547d\u4ee4\u7684\u8c03\u7528\u65b9\u6cd5\u6709\u4e24\u79cd\uff1a<\/p>\n

                            \n
                          • \u5982\u679c\u4ece\u670d\u52a1\u5668\u4ee5\u524d\u6ca1\u6709\u590d\u5236\u8fc7\u4efb\u4f55\u4e3b\u670d\u52a1\u5668\uff0c\u6216\u8005\u4e4b\u524d\u6267\u884c\u8fc7 slaveof no one \u547d\u4ee4\uff0c\u90a3\u4e48\u4ece\u670d\u52a1\u5668\u5728\u5f00\u59cb\u4e00\u6b21\u65b0\u7684\u590d\u5236\u65f6\u5c06\u5411\u4e3b\u670d\u52a1\u5668\u53d1\u9001 psync ? -1 \u547d\u4ee4\uff0c\u4e3b\u52a8\u8bf7\u6c42\u4e3b\u670d\u52a1\u5668\u8fdb\u884c\u5b8c\u6574\u91cd\u540c\u6b65\u3002<\/li>\n
                          • \u5982\u679c\u4ece\u670d\u52a1\u5668\u5df2\u7ecf\u590d\u5236\u8fc7\u67d0\u4e2a\u4e3b\u670d\u52a1\u5668\uff0c\u90a3\u4e48\u4ece\u670d\u52a1\u5668\u5728\u5f00\u59cb\u4e00\u6b21\u65b0\u7684\u590d\u5236\u65f6\u5c06\u5411\u4e3b\u670d\u52a1\u5668\u53d1\u9001 psync \u547d\u4ee4\uff1a\u5176\u4e2d runid \u662f\u4e0a\u4e00\u6b21\u590d\u5236\u7684\u4e3b\u670d\u52a1\u5668\u7684\u8fd0\u884c ID\uff0c\u800c offset \u5219\u662f\u4ece\u670d\u52a1\u5668\u5f53\u524d\u7684\u590d\u5236\u504f\u79fb\u91cf\uff0c\u63a5\u6536\u5230\u8fd9\u4e2a\u547d\u4ee4\u7684\u4e3b\u670d\u52a1\u5668\u4f1a\u901a\u8fc7\u8fd9\u4e24\u4e2a\u53c2\u6570\u6765\u5224\u65ad\u5e94\u8be5\u5bf9\u4ece\u670d\u52a1\u5668\u6267\u884c\u54ea\u79cd\u540c\u6b65\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n

                            \u6839\u636e\u60c5\u51b5\uff0c\u63a5\u6536\u5230 psync \u547d\u4ee4\u7684\u4e3b\u670d\u52a1\u5668\u4f1a\u5411\u4ece\u670d\u52a1\u5668\u8fd4\u56de\u4ee5\u4e0b\u4e09\u79cd\u56de\u590d\u7684\u5176\u4e2d\u4e00\u79cd\uff1a<\/p>\n

                              \n
                            • \u5982\u679c\u4e3b\u670d\u52a1\u5668\u8fd4\u56de +fullresync \u56de\u590d\uff0c\u90a3\u4e48\u8868\u793a\u4e3b\u670d\u52a1\u5668\u5c06\u4e0e\u4ece\u670d\u52a1\u5668\u6267\u884c\u5b8c\u6574\u91cd\u540c\u6b65\u64cd\u4f5c\uff1a\u5176\u4e2d runid \u662f\u8fd9\u4e2a\u4e3b\u670d\u52a1\u5668\u7684\u8fd0\u884c ID\uff0c\u4ece\u670d\u52a1\u5668\u4f1a\u5c06\u8fd9\u4e2a ID \u4fdd\u5b58\u8d77\u6765\uff0c\u5728\u4e0b\u4e00\u6b21\u53d1\u9001 psync \u547d\u4ee4\u65f6\u4f7f\u7528\uff1b\u800c offset \u5219\u662f\u4e3b\u670d\u52a1\u5668\u5f53\u524d\u7684\u590d\u5236\u504f\u79fb\u91cf\uff0c\u4ece\u670d\u52a1\u5668\u4f1a\u5c06\u8fd9\u4e2a\u503c\u4f5c\u4e3a\u81ea\u5df1\u7684\u521d\u59cb\u5316\u504f\u79fb\u91cf\u3002<\/li>\n
                            • \u5982\u679c\u4e3b\u670d\u52a1\u5668\u8fd4\u56de +continue \u56de\u590d\uff0c\u90a3\u4e48\u8868\u793a\u4e3b\u670d\u52a1\u5668\u5c06\u4e0e\u4ece\u670d\u52a1\u5668\u6267\u884c\u90e8\u5206\u91cd\u540c\u6b65\u64cd\u4f5c\uff0c\u4ece\u670d\u52a1\u5668\u53ea\u8981\u7b49\u7740\u4e3b\u670d\u52a1\u5668\u5c06\u81ea\u5df1\u7f3a\u5c11\u7684\u90a3\u90e8\u5206\u6570\u636e\u53d1\u9001\u8fc7\u6765\u5c31\u53ef\u4ee5\u4e86\u3002<\/li>\n
                            • \u5982\u679c\u4e3b\u670d\u52a1\u5668\u8fd4\u56de -err \u56de\u590d\uff0c\u90a3\u4e48\u8868\u793a\u4e3b\u670d\u52a1\u5668\u7684\u7248\u672c\u4f4e\u4e8e Redis2.8\uff0c\u5b83\u8bc6\u522b\u4e0d\u4e86 psync \u547d\u4ee4\uff0c\u4ece\u670d\u52a1\u5668\u5c06\u5411\u4e3b\u670d\u52a1\u5668\u53d1\u9001 sync \u547d\u4ee4\uff0c\u5e76\u4e0e\u4e3b\u670d\u52a1\u5668\u6267\u884c\u5b8c\u6574\u540c\u6b65\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n

                              \u547d\u4ee4\u4f20\u64ad<\/h2>\n

                              \u4e3b\u670d\u52a1\u5668\u901a\u8fc7\u5411\u4ece\u670d\u52a1\u5668\u4f20\u64ad\u547d\u4ee4\u6765\u66f4\u65b0\u4ece\u670d\u52a1\u5668\u7684\u72b6\u6001\uff0c\u4fdd\u6301\u4e3b\u4ece\u670d\u52a1\u5668\u4e00\u81f4\u3002<\/p>\n

                              \u5f53\u5b8c\u6210\u4e86\u540c\u6b65\u4e4b\u540e\uff0c \u4e3b\u4ece\u670d\u52a1\u5668\u5c31\u4f1a\u8fdb\u5165\u547d\u4ee4\u4f20\u64ad\u9636\u6bb5\uff0c \u8fd9\u65f6\u4e3b\u670d\u52a1\u5668\u53ea\u8981\u4e00\u76f4\u5c06\u81ea\u5df1\u6267\u884c\u7684\u5199\u547d\u4ee4\u53d1\u9001\u7ed9\u4ece\u670d\u52a1\u5668\uff0c \u800c\u4ece\u670d\u52a1\u5668\u53ea\u8981\u4e00\u76f4\u63a5\u6536\u5e76\u6267\u884c\u4e3b\u670d\u52a1\u5668\u53d1\u6765\u7684\u5199\u547d\u4ee4\uff0c \u5c31\u53ef\u4ee5\u4fdd\u8bc1\u4e3b\u4ece\u670d\u52a1\u5668\u4e00\u76f4\u4fdd\u6301\u4e00\u81f4\u4e86\u3002<\/p>\n

                              \u4e3b\u670d\u52a1\u5668\u8fdb\u884c\u547d\u4ee4\u4f20\u64ad\u65f6\uff0c\u5b83\u4e0d\u4ec5\u4f1a\u5c06\u5199\u547d\u4ee4\u53d1\u9001\u7ed9\u6240\u6709\u4ece\u670d\u52a1\u5668\uff0c\u8fd8\u4f1a\u5c06\u5199\u547d\u4ee4\u5165\u961f\u5230\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u91cc\u9762\u3002<\/p>\n

                              \u5fc3\u8df3\u68c0\u6d4b<\/h2>\n

                              \u4ece\u670d\u52a1\u5668\u901a\u8fc7\u5411\u4e3b\u670d\u52a1\u5668\u53d1\u9001\u547d\u4ee4\u6765\u8fdb\u884c\u5fc3\u8df3\u68c0\u6d4b\uff0c\u4ee5\u53ca\u547d\u4ee4\u4e22\u5931\u68c0\u6d4b\u3002<\/p>\n

                              \u5728\u547d\u4ee4\u4f20\u64ad\u9636\u6bb5\uff0c\u4ece\u670d\u52a1\u5668\u9ed8\u8ba4\u4f1a\u4ee5\u6bcf\u79d2\u4e00\u6b21\u7684\u9891\u7387\uff0c\u5411\u4e3b\u670d\u52a1\u5668\u53d1\u9001\u547d\u4ee4\uff1areplconf ack \u3002\u5176\u4e2d replication_offset \u662f\u4ece\u670d\u52a1\u5668\u5f53\u524d\u7684\u590d\u5236\u504f\u79fb\u91cf\u3002 <\/p>\n

                              \u53d1\u9001 replconf ack \u547d\u4ee4\u5bf9\u4e8e\u4e3b\u4ece\u670d\u52a1\u5668\u6709\u4e09\u4e2a\u4f5c\u7528\uff1a<\/p>\n

                                \n
                              • \u68c0\u6d4b\u4e3b\u4ece\u670d\u52a1\u5668\u7684\u7f51\u7edc\u8fde\u63a5\u72b6\u6001\u3002<\/li>\n
                              • \u8f85\u52a9\u5b9e\u73b0 min-slaves \u9009\u9879\u3002<\/li>\n
                              • \u68c0\u6d4b\u547d\u4ee4\u4e22\u5931\u3002<\/li>\n<\/ul>\n

                                \u68c0\u6d4b\u4e3b\u4ece\u670d\u52a1\u5668\u7684\u7f51\u7edc\u8fde\u63a5\u72b6\u6001\u3002<\/p>\n

                                \u4e3b\u4ece\u670d\u52a1\u5668\u53ef\u4ee5\u901a\u8fc7\u53d1\u9001\u548c\u63a5\u6536 replconf ack \u547d\u4ee4\u6765\u68c0\u67e5\u4e24\u8005\u4e4b\u95f4\u7684\u7f51\u7edc\u8fde\u63a5\u662f\u5426\u6b63\u5e38\uff1a\u5982\u679c\u4e3b\u670d\u52a1\u5668\u8d85\u8fc7\u4e00\u79d2\u949f\u6ca1\u6709\u6536\u5230\u4ece\u670d\u52a1\u5668\u53d1\u6765\u7684 replconf ack \u547d\u4ee4\uff0c\u90a3\u4e48\u4e3b\u670d\u52a1\u5668\u5c31\u77e5\u9053\u4e3b\u4ece\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u8fde\u63a5\u51fa\u73b0\u95ee\u9898\u4e86\u3002<\/p>\n

                                \u901a\u8fc7\u5411\u4e3b\u670d\u52a1\u5668\u53d1\u9001 info replication \u547d\u4ee4\uff0c\u5728\u5217\u51fa\u7684\u4ece\u670d\u52a1\u5668\u5217\u8868\u7684 lag \u4e00\u680f\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u76f8\u5e94\u4ece\u670d\u52a1\u5668\u6700\u540e\u4e00\u6b21\u5411\u4e3b\u670d\u52a1\u5668\u53d1\u9001 replconf ack \u547d\u4ee4\u8ddd\u79bb\u73b0\u5728\u8fc7\u4e86\u591a\u5c11\u79d2\u3002\u5728\u4e00\u822c\u60c5\u51b5\u4e0b\uff0clag \u7684\u503c\u5e94\u8be5\u5728 0 \u79d2\u6216\u8005 1 \u79d2\u4e4b\u95f4\u8df3\u52a8\uff0c\u5982\u679c\u8d85\u8fc7 1 \u79d2\u7684\u8bdd\uff0c\u90a3\u4e48\u8bf4\u660e\u4e3b\u4ece\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u8fde\u63a5\u51fa\u73b0\u4e86\u6545\u969c\u3002<\/p>\n

                                \u8f85\u52a9\u5b9e\u73b0 min-slaves \u9009\u9879\u3002<\/p>\n

                                Redis \u7684 min-slaves-to-write \u548c min-slaves-max-lag \u4e24\u4e2a\u9009\u9879\u53ef\u4ee5\u9632\u6b62\u4e3b\u670d\u52a1\u5668\u5728\u4e0d\u5b89\u5168\u7684\u60c5\u51b5\u4e0b\u6267\u884c\u5199\u547d\u4ee4\u3002<\/p>\n

                                \u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5982\u679c\u6211\u4eec\u5411\u4e3b\u670d\u52a1\u5668\u63d0\u4f9b\u4ee5\u4e0b\u8bbe\u7f6e\uff1a<\/p>\n

                                  \n
                                • min-slaves-to-write 3<\/li>\n
                                • min-slaves-max-lag 10<\/li>\n<\/ul>\n

                                  \u90a3\u4e48\u5728\u4ece\u670d\u52a1\u5668\u7684\u6570\u91cf\u5c11\u4e8e 3 \u4e2a\uff0c\u6216\u8005 3 \u4e2a\u4ece\u670d\u52a1\u5668\u7684\u5ef6\u8fdf\uff08lag\uff09\u503c\u90fd \u2265 10 \u79d2\u65f6\uff0c\u4e3b\u670d\u52a1\u5668\u5c06\u62d2\u7edd\u6267\u884c\u5199\u547d\u4ee4\uff0c\u8fd9\u91cc\u7684\u5ef6\u8fdf\u503c\u5c31\u662f\u4e0a\u9762\u63d0\u5230\u7684 info replication \u547d\u4ee4\u7684 lag \u503c\u3002<\/p>\n

                                  \u68c0\u6d4b\u547d\u4ee4\u4e22\u5931\u3002<\/p>\n

                                  \u5982\u679c\u56e0\u4e3a\u7f51\u7edc\u6545\u969c\uff0c\u4e3b\u670d\u52a1\u5668\u4f20\u64ad\u7ed9\u4ece\u670d\u52a1\u5668\u7684\u5199\u547d\u4ee4\u5728\u534a\u8def\u4e22\u5931\uff0c\u90a3\u4e48\u5f53\u4ece\u670d\u52a1\u5668\u5411\u4e3b\u670d\u52a1\u5668\u53d1\u9001 replconf ack \u547d\u4ee4\u65f6\uff0c\u4e3b\u670d\u52a1\u5668\u5c06\u53d1\u89c9\u4ece\u670d\u52a1\u5668\u5f53\u524d\u7684\u590d\u5236\u504f\u79fb\u91cf\u5c11\u4e8e\u81ea\u5df1\u7684\u590d\u5236\u504f\u79fb\u91cf\uff0c\u7136\u540e\u4e3b\u670d\u52a1\u5668\u5c31\u4f1a\u6839\u636e\u4ece\u670d\u52a1\u5668\u63d0\u4ea4\u7684\u590d\u5236\u504f\u79fb\u91cf\uff0c\u5728\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u91cc\u9762\u627e\u5230\u4ece\u670d\u52a1\u5668\u7f3a\u5c11\u7684\u6570\u636e\uff0c\u5e76\u5c06\u8fd9\u4e9b\u6570\u636e\u91cd\u65b0\u53d1\u9001\u7ed9\u4ece\u670d\u52a1\u5668\u3002<\/p>\n

                                  \u53c2\u8003\u8d44\u6599<\/h2>\n

                                  \u300aRedis\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\u300b<\/p>\n","protected":false},"excerpt":{"rendered":"

                                  Redis\u7684\u6570\u636e\u590d\u5236\u8fc7\u7a0b\u8be6\u89e3 \u6536...<\/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-201592","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201592","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=201592"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201592\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201592"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201592"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201592"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}