{"id":993,"date":"2022-09-26T08:52:09","date_gmt":"2022-09-26T00:52:09","guid":{"rendered":"http:\/\/www.licaneku.fun\/?p=993"},"modified":"2022-09-26T08:52:09","modified_gmt":"2022-09-26T00:52:09","slug":"redis%e6%8c%81%e4%b9%85%e5%8c%96-aof","status":"publish","type":"post","link":"http:\/\/www.licaneku.fun\/?p=993","title":{"rendered":"Redis\u6301\u4e45\u5316—AOF"},"content":{"rendered":"

Redis\u6301\u4e45\u5316—AOF<\/h1>\n

AOF\u65e5\u5fd7\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff1f<\/h2>\n

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\"\"<\/p>\n

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\u6211\u4eec\u4ee5Redis\u6536\u5230\u201cset testkey testvalue\u201d\u547d\u4ee4\u540e\u8bb0\u5f55\u7684\u2f47\u5fd7\u4e3a\u4f8b\uff0c\u770b\u770bAOF\u2f47\u5fd7\u7684\u5185\u5bb9\u3002\u5176\u4e2d\uff0c\u201c*3\u201d\u8868 \u2f70\u5f53\u524d\u547d\u4ee4\u6709\u4e09\u4e2a\u90e8\u5206\uff0c\u6bcf\u90e8\u5206\u90fd\u662f\u7531\u201c+\u6570\u5b57\u201d\u5f00\u5934\uff0c\u540e\u2faf\u7d27\u8ddf\u7740\u5177\u4f53\u7684\u547d\u4ee4\u3001\u952e\u6216\u503c\u3002\u8fd9\u2fa5\uff0c\u201c\u6570 \u5b57\u201d\u8868\u2f70\u8fd9\u90e8\u5206\u4e2d\u7684\u547d\u4ee4\u3001\u952e\u6216\u503c\u2f00\u5171\u6709\u591a\u5c11\u5b57\u8282\u3002\u4f8b\u5982\uff0c\u201c<\/span>3 set\u201d\u8868\u2f70\u8fd9\u90e8\u5206\u67093\u4e2a\u5b57\u8282\uff0c\u4e5f\u5c31 \u662f\u201cset\u201d\u547d\u4ee4\u3002<\/p>\n

\"\"<\/p>\n

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\u4e09\u79cd\u5199\u56de\u7b56\u7565\uff1a<\/p>\n

Always\uff1a<\/h3>\n

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Everysec:<\/h3>\n

\u200b \u6bcf\u79d2\u5199\u56de\uff1a\u6bcf\u4e2a\u5199\u547d\u4ee4\u6267\u2f8f\u5b8c\uff0c\u53ea\u662f\u5148\u628a\u2f47\u5fd7\u5199\u5230AOF\u2f42\u4ef6\u7684\u5185\u5b58\u7f13\u51b2\u533a\uff0c\u6bcf\u9694\u2f00\u79d2\u628a\u7f13\u51b2\u533a\u4e2d\u7684\u5185\u5bb9\u5199\u2f0a\u78c1\u76d8\u3002<\/p>\n

No\uff1a<\/h3>\n

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    \n
  • \u201c\u540c\u6b65\u5199\u56de\u201d\u53ef\u4ee5\u505a\u5230\u57fa\u672c\u4e0d\u4e22\u6570\u636e\uff0c\u4f46\u662f\u5b83\u5728\u6bcf\u2f00\u4e2a\u5199\u547d\u4ee4\u540e\u90fd\u6709\u2f00\u4e2a\u6162\u901f\u7684\u843d\u76d8\u64cd\u4f5c\uff0c\u4e0d\u53ef\u907f\u514d\u5730\u4f1a\u5f71\u54cd\u4e3b\u7ebf\u7a0b\u6027\u80fd\uff1b<\/li>\n
  • \u201c\u4ece\u4e0d\u5199\u56de\u201d\u867d\u7136\u201c\u64cd\u4f5c\u7cfb\u7edf\u63a7\u5236\u7684\u5199\u56de\u201d\u5728\u5199\u5b8c\u7f13\u51b2\u533a\u540e\uff0c\u5c31\u53ef\u4ee5\u7ee7\u7eed\u6267\u2f8f\u540e\u7eed\u7684\u547d\u4ee4\uff0c\u4f46\u662f\u843d\u76d8\u7684\u65f6\u673a\u5df2\u7ecf\u4e0d\u5728 Redis\u2f3f\u4e2d\u4e86\uff0c\u53ea\u8981AOF\u8bb0\u5f55\u6ca1\u6709\u5199\u56de\u78c1\u76d8\uff0c\u2f00\u65e6\u5b95\u673a\u5bf9\u5e94\u7684\u6570\u636e\u5c31\u4e22\u5931\u4e86\uff1b<\/li>\n
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    \"\"<\/p>\n

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    \u201c\u6027\u80fd\u95ee\u9898\u201d\uff0c\u4e3b\u8981\u5728\u4e8e\u4ee5\u4e0b\u4e09\u4e2a\u2f45\u2faf\uff1a<\/p>\n

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    \u2f06\u662f\uff0c\u5982\u679c\u2f42\u4ef6\u592a\u2f24\uff0c\u4e4b\u540e\u518d\u5f80\u2fa5\u2faf\u8ffd\u52a0\u547d\u4ee4\u8bb0\u5f55\u7684\u8bdd\uff0c\u6548\u7387\u4e5f\u4f1a\u53d8\u4f4e\uff1b<\/p>\n

    \u4e09\u662f\uff0c\u5982\u679c\u53d1\u2f63\u5b95\u673a\uff0cAOF\u4e2d \u8bb0\u5f55\u7684\u547d\u4ee4\u8981\u2f00\u4e2a\u4e2a\u88ab\u91cd\u65b0\u6267\u2f8f\uff0c\u2f64\u4e8e\u6545\u969c\u6062\u590d\uff0c\u5982\u679c\u2f47\u5fd7\u2f42\u4ef6\u592a\u2f24\uff0c\u6574\u4e2a\u6062\u590d\u8fc7\u7a0b\u5c31\u4f1a\u2fae\u5e38\u7f13\u6162\uff0c\u8fd9\u5c31\u4f1a \u5f71\u54cd\u5230Redis\u7684\u6b63\u5e38\u4f7f\u2f64\u3002<\/p>\n

    \u2f47\u5fd7\u2f42\u4ef6\u592a\u2f24\u4e86\u600e\u4e48\u529e\uff1f<\/h2>\n

    \u7b80\u5355\u6765\u8bf4\uff0cAOF\u91cd\u5199\u673a\u5236\u5c31\u662f\u5728\u91cd\u5199\u65f6\uff0cRedis\u6839\u636e\u6570\u636e\u5e93\u7684\u73b0\u72b6\u521b\u5efa\u2f00\u4e2a\u65b0\u7684AOF\u2f42\u4ef6\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u8bfb\u53d6\u6570\u636e\u5e93\u4e2d\u7684\u6240\u6709\u952e\u503c\u5bf9\uff0c\u7136\u540e\u5bf9\u6bcf\u2f00\u4e2a\u952e\u503c\u5bf9\u2f64\u2f00\u6761\u547d\u4ee4\u8bb0\u5f55\u5b83\u7684\u5199\u2f0a\u3002\u2f50\u5982\u8bf4\uff0c\u5f53\u8bfb\u53d6\u4e86\u952e\u503c \u5bf9\u201ctestkey\u201d: \u201ctestvalue\u201d\u4e4b\u540e\uff0c\u91cd\u5199\u673a\u5236\u4f1a\u8bb0\u5f55set testkey testvalue\u8fd9\u6761\u547d\u4ee4\u3002\u8fd9\u6837\uff0c\u5f53\u9700\u8981\u6062\u590d \u65f6\uff0c\u53ef\u4ee5\u91cd\u65b0\u6267\u2f8f\u8be5\u547d\u4ee4\uff0c\u5b9e\u73b0\u201ctestkey\u201d: \u201ctestvalue\u201d\u7684\u5199\u2f0a\u3002<\/p>\n

    \u4e3a\u4ec0\u4e48\u91cd\u5199\u673a\u5236\u53ef\u4ee5\u628a\u2f47\u5fd7\u2f42\u4ef6\u53d8\u2f29\u5462? \u5b9e\u9645\u4e0a\uff0c\u91cd\u5199\u673a\u5236\u5177\u6709\u201c\u591a\u53d8\u2f00\u201d\u529f\u80fd\u3002\u6240\u8c13\u7684\u201c\u591a\u53d8\u2f00\u201d\uff0c\u4e5f\u5c31 \u662f\u8bf4\uff0c\u65e7\u2f47\u5fd7\u2f42\u4ef6\u4e2d\u7684\u591a\u6761\u547d\u4ee4\uff0c\u5728\u91cd\u5199\u540e\u7684\u65b0\u2f47\u5fd7\u4e2d\u53d8\u6210\u4e86\u2f00\u6761\u547d\u4ee4\u3002<\/p>\n

    \u6211\u4eec\u77e5\u9053\uff0cAOF\u2f42\u4ef6\u662f\u4ee5\u8ffd\u52a0\u7684\u2f45\u5f0f\uff0c\u9010\u2f00\u8bb0\u5f55\u63a5\u6536\u5230\u7684\u5199\u547d\u4ee4\u7684\u3002\u5f53\u2f00\u4e2a\u952e\u503c\u5bf9\u88ab\u591a\u6761\u5199\u547d\u4ee4\u53cd\u590d\u4fee\u6539 \u65f6\uff0cAOF\u2f42\u4ef6\u4f1a\u8bb0\u5f55\u76f8\u5e94\u7684\u591a\u6761\u547d\u4ee4\u3002\u4f46\u662f\uff0c\u5728\u91cd\u5199\u7684\u65f6\u5019\uff0c\u662f\u6839\u636e\u8fd9\u4e2a\u952e\u503c\u5bf9\u5f53\u524d\u7684\u6700\u65b0\u72b6\u6001<\/strong>\uff0c\u4e3a\u5b83\u2f63\u6210 \u5bf9\u5e94\u7684\u5199\u2f0a\u547d\u4ee4\u3002\u8fd9\u6837\u2f00\u6765\uff0c\u2f00\u4e2a\u952e\u503c\u5bf9\u5728\u91cd\u5199\u2f47\u5fd7\u4e2d\u53ea\u2f64\u2f00\u6761\u547d\u4ee4\u5c31\u2f8f\u4e86\uff0c\u2f7d\u4e14\uff0c\u5728\u2f47\u5fd7\u6062\u590d\u65f6\uff0c\u53ea\u2f64\u6267 \u2f8f\u8fd9\u6761\u547d\u4ee4\uff0c\u5c31\u53ef\u4ee5\u76f4\u63a5\u5b8c\u6210\u8fd9\u4e2a\u952e\u503c\u5bf9\u7684\u5199\u2f0a\u4e86\u3002<\/p>\n

    \"\"<\/p>\n

    \u5f53\u6211\u4eec\u5bf9\u2f00\u4e2a\u5217\u8868\u5148\u540e\u505a\u4e866\u6b21\u4fee\u6539\u64cd\u4f5c\u540e\uff0c\u5217\u8868\u7684\u6700\u540e\u72b6\u6001\u662f[\u201cD\u201d, \u201cC\u201d, \u201cN\u201d]\uff0c\u6b64\u65f6\uff0c\u53ea\u2f64LPUSH u:list \u201cN\u201d, \u201cC\u201d, “D”\u8fd9\u2f00\u6761\u547d\u4ee4\u5c31\u80fd\u5b9e\u73b0\u8be5\u6570\u636e\u7684\u6062\u590d\uff0c\u8fd9\u5c31\u8282\u7701\u4e86\u4e94\u6761\u547d\u4ee4\u7684\u7a7a\u95f4\u3002\u5bf9\u4e8e\u88ab\u4fee\u6539\u8fc7\u6210 \u767e\u4e0a\u5343\u6b21\u7684\u952e\u503c\u5bf9\u6765\u8bf4\uff0c\u91cd\u5199\u80fd\u8282\u7701\u7684\u7a7a\u95f4\u5f53\u7136\u5c31\u66f4\u2f24\u4e86\u3002<\/p>\n

    \u4e0d\u8fc7\uff0c\u867d\u7136AOF\u91cd\u5199\u540e\uff0c\u2f47\u5fd7\u2f42\u4ef6\u4f1a\u7f29\u2f29\uff0c\u4f46\u662f\uff0c\u8981\u628a\u6574\u4e2a\u6570\u636e\u5e93\u7684\u6700\u65b0\u6570\u636e\u7684\u64cd\u4f5c\u2f47\u5fd7\u90fd\u5199\u56de\u78c1\u76d8\uff0c\u4ecd\u7136\u662f\u2f00\u4e2a\u2fae\u5e38\u8017\u65f6\u7684\u8fc7\u7a0b\u3002\u8fd9\u65f6\uff0c\u6211\u4eec\u5c31\u8981\u7ee7\u7eed\u5173\u6ce8\u53e6\u2f00\u4e2a\u95ee\u9898\u4e86\uff1a\u91cd\u5199\u4f1a\u4e0d\u4f1a\u963b\u585e\u4e3b\u7ebf\u7a0b\uff1f<\/p>\n

    AOF\u91cd\u5199\u4f1a\u963b\u585e\u5417?<\/h2>\n

    \u548cAOF\u2f47\u5fd7\u7531\u4e3b\u7ebf\u7a0b\u5199\u56de\u4e0d\u540c\uff0c\u91cd\u5199\u8fc7\u7a0b\u662f\u7531\u540e\u53f0\u7ebf\u7a0bbgrewriteaof\u6765\u5b8c\u6210\u7684\uff0c\u8fd9\u4e5f\u662f\u4e3a\u4e86\u907f\u514d\u963b\u585e\u4e3b\u7ebf\u7a0b\uff0c\u5bfc\u81f4\u6570\u636e\u5e93\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n

    \u91cd\u5199\u7684\u8fc7\u7a0b\u603b\u7ed3\u4e3a\u201c\u2f00\u4e2a\u62f7\u2ec9\uff0c\u4e24\u5904\u2f47\u5fd7\u201d\u3002<\/strong><\/p>\n

    \u201c\u2f00\u4e2a\u62f7\u2ec9\u201d<\/strong>\u5c31\u662f\u6307\uff0c\u6bcf\u6b21\u6267\u2f8f\u91cd\u5199\u65f6\uff0c\u4e3b\u7ebf\u7a0bfork\u51fa\u540e\u53f0\u7684bgrewriteaof\u2f26\u8fdb\u7a0b\u3002\u6b64\u65f6\uff0cfork\u4f1a\u628a\u4e3b\u7ebf\u7a0b \u7684\u5185\u5b58\u62f7\u2ec9\u2f00\u4efd\u7ed9bgrewriteaof\u2f26\u8fdb\u7a0b\uff0c\u8fd9\u2fa5\u2faf\u5c31\u5305\u542b\u4e86\u6570\u636e\u5e93\u7684\u6700\u65b0\u6570\u636e\u3002\u7136\u540e\uff0cbgrewriteaof\u2f26\u8fdb\u7a0b\u5c31 \u53ef\u4ee5\u5728\u4e0d\u5f71\u54cd\u4e3b\u7ebf\u7a0b\u7684\u60c5\u51b5\u4e0b\uff0c\u9010\u2f00\u628a\u62f7\u2ec9\u7684\u6570\u636e\u5199\u6210\u64cd\u4f5c\uff0c\u8bb0\u2f0a\u91cd\u5199\u2f47\u5fd7\u3002<\/p>\n

    \u4e24\u5904\u2f47\u5fd7\u201d\u2f1c\u662f\u4ec0\u4e48\u5462\uff1f<\/p>\n

    \u56e0\u4e3a\u4e3b\u7ebf\u7a0b\u672a\u963b\u585e\uff0c\u4ecd\u7136\u53ef\u4ee5\u5904\u7406\u65b0\u6765\u7684\u64cd\u4f5c\u3002\u6b64\u65f6\uff0c\u5982\u679c\u6709\u5199\u64cd\u4f5c\uff0c\u7b2c\u2f00\u5904\u2f47\u5fd7\u5c31\u662f\u6307\u6b63\u5728\u4f7f\u2f64\u7684AOF\u2f47\u5fd7\uff0cRedis\u4f1a\u628a\u8fd9\u4e2a\u64cd\u4f5c\u5199\u5230\u5b83\u7684\u7f13\u51b2\u533a\u3002\u8fd9\u6837\u2f00\u6765\uff0c\u5373\u4f7f\u5b95\u673a\u4e86\uff0c\u8fd9\u4e2aAOF\u2f47\u5fd7\u7684\u64cd\u4f5c\u4ecd\u7136\u662f\u2eec\u5168\u7684\uff0c\u53ef \u4ee5\u2f64\u4e8e\u6062\u590d\u3002\u3010aof\u65e5\u5fd7\u7f13\u51b2\u533a\u5237\u76d8\u5f88\u5feb\uff0c\u4e22\u6570\u636e\u6700\u4f4e\u53ef\u4ee5\u63a7\u5236\u52301s\uff0c\u4e1a\u52a1\u80fd\u5bb9\u5fcd\u3011<\/p>\n

    \u2f7d\u7b2c\u2f06\u5904\u2f47\u5fd7\uff0c\u5c31\u662f\u6307\u65b0\u7684AOF\u91cd\u5199\u2f47\u5fd7\u3002\u8fd9\u4e2a\u64cd\u4f5c\u4e5f\u4f1a\u88ab\u5199\u5230\u91cd\u5199\u2f47\u5fd7\u7684\u7f13\u51b2\u533a\u3002\u8fd9\u6837\uff0c\u91cd\u5199\u2f47\u5fd7\u4e5f\u4e0d\u4f1a\u4e22\u5931\u6700\u65b0\u7684\u64cd\u4f5c\u3002\u7b49\u5230\u62f7\u2ec9\u6570\u636e\u7684\u6240\u6709\u64cd\u4f5c\u8bb0\u5f55\u91cd\u5199\u5b8c\u6210\u540e\uff0c\u91cd\u5199\u2f47\u5fd7\u8bb0\u5f55\u7684\u8fd9\u4e9b\u6700\u65b0\u64cd\u4f5c\u4e5f\u4f1a\u5199\u2f0a\u65b0\u7684 AOF\u2f42\u4ef6\uff0c\u4ee5\u4fdd\u8bc1\u6570\u636e\u5e93\u6700\u65b0\u72b6\u6001\u7684\u8bb0\u5f55\u3002\u6b64\u65f6\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u2f64\u65b0\u7684AOF\u2f42\u4ef6\u66ff\u4ee3\u65e7\u2f42\u4ef6\u4e86\u3002\u3010\u7b2c\u4e8c\u5904\u90a3\u4e2a\u91cd\u5199aof\u65e5\u5fd7\u7f13\u5b58\u5e94\u8be5\u6ca1\u8fd9\u4e2a\u5237\u76d8\u7684\uff0c\u53ea\u505a\u56de\u653e\u3011<\/p>\n

    \n \u82e5\u539f\u6709\u7684\u5185\u5b58\u6570\u636e\u662fA\uff0c \u90a3\u91cd\u5199AOF\u65f6\uff0cfork\u540e\u7236\u5b50\u8fdb\u7a0b\u90fd\u4f1a\u6307\u5411A\u5730\u5740\uff0c\u5f53\u65b0\u7684\u5199\u5165\u8fdb\u6765\u65f6\uff0c\u7236\u8fdb\u7a0b\u4f1a\u62f7\u8d1d\u6570\u636e\uff08\u65b0\u7684key\u76f4\u63a5\u7533\u8bf7\u5185\u5b58\u5c31\u5199\u4e86\uff09\uff0c\u800c\u5b50\u8fdb\u7a0b\u8bbf\u95eeA\u9010\u6e10\u5199\u5165\u5230\u91cd\u5199AOF\u4e2d\uff0c\u5199\u5b8c\u901a\u77e5\u7236\u8fdb\u7a0b\uff0c\u7236\u8fdb\u7a0b\u4f1a\u628a\u5199\u5230\u7f13\u51b2\u7684\u65b0key\uff0c\u518d\u8ffd\u52a0\u5230\u91cd\u5199AOF\u4e2d\u3002<\/p>\n

    \u8fd9\u91cc\u53ea\u6709AOF\u7f13\u51b2\u533a\uff0cAOF\u91cd\u5199\u7f13\u51b2\u533a\uff08\u8fd9\u662f\u4e24\u4e2a\u4e0d\u540c\u7f13\u51b2\u533a\uff09\uff0c\u5199\u5165\u65b0\u6570\u636e\u4f1a\u5199\u5165\u4e24\u4e2a\u7f13\u51b2\u533a\u3002\u4e4b\u6240\u4ee5\u5199\u5165AOF\u7f13\u51b2\u533a\uff08\u540e\u7eed\u5199\u5165AOF\u6587\u4ef6\uff09\u662f\u4e3a\u4e86\u9632\u6b62\u5b95\u673a\u800c\u5197\u4f59\u7684\u6570\u636e\uff0c\u800cAOF\u91cd\u5199\u7f13\u51b2\u533a\u662f\u5728\u91cd\u5199\u65e5\u5fd7\u6587\u4ef6\u751f\u6210\u540e\uff0c\u518d\u8ffd\u52a0\u5230\u91cd\u5199\u65e5\u5fd7\u6587\u4ef6\u4e2d\uff0c\u6700\u540e\u518d\u5c06\u91cd\u5199\u65e5\u5fd7\u6587\u4ef6\u547d\u540d\u4e3aAOF\u65e5\u5fd7\u6587\u4ef6\u3002<\/p>\n

    1\u3001\u5982\u679c\u5199\u5165\u5185\u5b58\u6210\u529f\u4e86\uff0c\u5728\u5199\u5165aof\u65e5\u5fd7\u7684\u65f6\u5019\u5931\u8d25\u4e86\uff0c\u5b95\u673a\u6570\u636e\u4f1a\u4e0d\u4f1a\u4e22\u5931\uff0c\u6709\u4ec0\u4e48\u5904\u7406\u673a\u5236\u5417<\/p>\n

    redis-check-aof –fix xx.aof<\/p>\n

    2\u3001\u4ec0\u4e48\u65f6\u5019\u4f1a\u89e6\u53d1AOF \u91cd\u5199\u5462\uff1f<\/p>\n

    \u2460: \u624b\u52a8\u53d1\u9001\u201cbgrewriteaof\u201d\u6307\u4ee4\uff0c\u901a\u8fc7\u5b50\u8fdb\u7a0b\u751f\u6210\u66f4\u5c0f\u4f53\u79ef\u7684aof\uff0c\u7136\u540e\u66ff\u6362\u6389\u65e7\u7684\u3001\u5927\u4f53\u91cf\u7684aof\u6587\u4ef6<\/p>\n

    \u2461\uff1a\u914d\u7f6e\u81ea\u52a8\u89e6\u53d1<\/p>\n

    \u200b 1\uff09auto-aof-rewrite-percentage 50<\/p>\n

    \u200b 2\uff09auto-aof-rewrite-min-size 64mb<\/p>\n

    \u8fd9\u4e24\u4e2a\u914d\u7f6e\u9879\u7684\u610f\u601d\u662f\uff0c\u5728aof\u6587\u4ef6\u4f53\u91cf\u8d85\u8fc764mb\uff0c\u4e14\u6bd4\u4e0a\u6b21\u91cd\u5199\u540e\u7684\u4f53\u91cf\u589e\u52a0\u4e8650%\u65f6\u81ea\u52a8\u89e6\u53d1\u91cd\u5199\u3002\n<\/p><\/blockquote>\n

    AOF \u65e5\u5fd7\u91cd\u5199\u7684\u65f6\u5019\uff0c\u662f\u7531 bgrewriteaof \u5b50\u8fdb\u7a0b\u6765\u5b8c\u6210\u7684\uff0c\u4e0d\u7528\u4e3b\u7ebf\u7a0b\u53c2\u4e0e\uff0c\u6211\u4eec\u4eca\u5929\u8bf4\u7684\u975e\u963b\u585e\u4e5f\u662f\u6307\u5b50\u8fdb\u7a0b\u7684\u6267\u884c\u4e0d\u963b\u585e\u4e3b\u7ebf\u7a0b\u3002\u4f46\u662f\u8fd9\u4e2a\u91cd\u5199\u8fc7\u7a0b\u4f1a\u6709\u6ca1\u6709\u5176\u4ed6\u6f5c\u5728\u7684\u963b\u585e\u98ce\u9669<\/p>\n

    \n \u66f4\u6df1\u5165\u7684\u7406\u89e3\uff1a\u3010\u80fd\u7b54\u00b7\u51fa\u6765\u8fd9\u4e9b \u76f4\u63a5\u898118k\u3011<\/p>\n

    a. fork\u5b50\u8fdb\u7a0b\uff0cfork\u8fd9\u4e2a\u77ac\u95f4\u4e00\u5b9a\u662f\u4f1a\u963b\u585e\u4e3b\u7ebf\u7a0b\u7684\uff08\u6ce8\u610f\uff0cfork\u65f6\u5e76\u4e0d\u4f1a\u4e00\u6b21\u6027\u62f7\u8d1d\u6240\u6709\u5185\u5b58\u6570\u636e\u7ed9\u5b50\u8fdb\u7a0b)\uff0cfork\u91c7\u7528\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u7684\u5199\u5b9e\u590d\u5236(Copy On Write)\u673a\u5236\uff0c\u5c31\u662f\u4e3a\u4e86\u907f\u514d\u4e00\u6b21\u6027\u62f7\u8d1d\u5927\u91cf\u5185\u5b58\u6570\u636e\u7ed9\u5b50\u8fdb\u7a0b\u9020\u6210\u7684\u957f\u65f6\u95f4\u963b\u585e\u95ee\u9898\uff0c\u4f46fork\u5b50\u8fdb\u7a0b\u9700\u8981\u62f7\u8d1d\u8fdb\u7a0b\u5fc5\u8981\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5176\u4e2d\u6709\u4e00\u9879\u5c31\u662f\u62f7\u8d1d\u5185\u5b58\u9875\u8868\uff08\u865a\u62df\u5185\u5b58\u548c\u7269\u7406\u5185\u5b58\u7684\u6620\u5c04\u7d22\u5f15\u8868\uff09\uff0c\u8fd9\u4e2a\u62f7\u8d1d\u8fc7\u7a0b\u4f1a\u6d88\u8017\u5927\u91cfCPU\u8d44\u6e90\uff0c\u62f7\u8d1d\u5b8c\u6210\u4e4b\u524d\u6574\u4e2a\u8fdb\u7a0b\u662f\u4f1a\u963b\u585e\u7684\uff0c\u963b\u585e\u65f6\u95f4\u53d6\u51b3\u4e8e\u6574\u4e2a\u5b9e\u4f8b\u7684\u5185\u5b58\u5927\u5c0f\uff0c\u5b9e\u4f8b\u8d8a\u5927\uff0c\u5185\u5b58\u9875\u8868\u8d8a\u5927\uff0cfork\u963b\u585e\u65f6\u95f4\u8d8a\u4e45\u3002\u62f7\u8d1d\u5185\u5b58\u9875\u8868\u5b8c\u6210\u540e\uff0c\u5b50\u8fdb\u7a0b\u4e0e\u7236\u8fdb\u7a0b\u6307\u5411\u76f8\u540c\u7684\u5185\u5b58\u5730\u5740\u7a7a\u95f4\uff0c\u4e5f\u5c31\u662f\u8bf4\u6b64\u65f6\u867d\u7136\u4ea7\u751f\u4e86\u5b50\u8fdb\u7a0b\uff0c\u4f46\u662f\u5e76\u6ca1\u6709\u7533\u8bf7\u4e0e\u7236\u8fdb\u7a0b\u76f8\u540c\u7684\u5185\u5b58\u5927\u5c0f\u3002\u90a3\u4ec0\u4e48\u65f6\u5019\u7236\u5b50\u8fdb\u7a0b\u624d\u4f1a\u771f\u6b63\u5185\u5b58\u5206\u79bb\u5462\uff1f\u201c\u5199\u5b9e\u590d\u5236\u201d\u987e\u540d\u601d\u4e49\uff0c\u5c31\u662f\u5728\u5199\u53d1\u751f\u65f6\uff0c\u624d\u771f\u6b63\u62f7\u8d1d\u5185\u5b58\u771f\u6b63\u7684\u6570\u636e\u3002<\/p>\n

    b\u3001 fork\u51fa\u7684\u5b50\u8fdb\u7a0b\u6307\u5411\u4e0e\u7236\u8fdb\u7a0b\u76f8\u540c\u7684\u5185\u5b58\u5730\u5740\u7a7a\u95f4\uff0c\u6b64\u65f6\u5b50\u8fdb\u7a0b\u5c31\u53ef\u4ee5\u6267\u884cAOF\u91cd\u5199\uff0c\u628a\u5185\u5b58\u4e2d\u7684\u6240\u6709\u6570\u636e\u5199\u5165\u5230AOF\u6587\u4ef6\u4e2d\u3002\u4f46\u662f\u6b64\u65f6\u7236\u8fdb\u7a0b\u4f9d\u65e7\u662f\u4f1a\u6709\u6d41\u91cf\u5199\u5165\u7684\uff0c\u5982\u679c\u7236\u8fdb\u7a0b\u64cd\u4f5c\u7684\u662f\u4e00\u4e2a\u5df2\u7ecf\u5b58\u5728\u7684key\uff0c\u90a3\u4e48\u8fd9\u4e2a\u65f6\u5019\u7236\u8fdb\u7a0b\u5c31\u4f1a\u771f\u6b63\u62f7\u8d1d\u8fd9\u4e2akey\u5bf9\u5e94\u7684\u5185\u5b58\u6570\u636e\uff0c\u7533\u8bf7\u65b0\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u8fd9\u6837\u9010\u6e10\u5730\uff0c\u7236\u5b50\u8fdb\u7a0b\u5185\u5b58\u6570\u636e\u5f00\u59cb\u5206\u79bb\u3002<\/p>\n

    AOF\u91cd\u5199\u4e0d\u590d\u7528AOF\u672c\u8eab\u7684\u65e5\u5fd7\uff0c\u4e00\u4e2a\u539f\u56e0\u662f\u7236\u5b50\u8fdb\u7a0b\u5199\u540c\u4e00\u4e2a\u6587\u4ef6\u5fc5\u7136\u4f1a\u4ea7\u751f\u7ade\u4e89\u95ee\u9898\uff0c\u63a7\u5236\u7ade\u4e89\u5c31\u610f\u5473\u7740\u4f1a\u5f71\u54cd\u7236\u8fdb\u7a0b\u7684\u6027\u80fd\u3002\u4e8c\u662f\u5982\u679cAOF\u91cd\u5199\u8fc7\u7a0b\u4e2d\u5931\u8d25\u4e86\uff0c\u90a3\u4e48\u539f\u672c\u7684AOF\u6587\u4ef6\u76f8\u5f53\u4e8e\u88ab\u6c61\u67d3\u4e86\uff0c\u65e0\u6cd5\u505a\u6062\u590d\u4f7f\u7528\u3002\u6240\u4ee5Redis AOF\u91cd\u5199\u4e00\u4e2a\u65b0\u6587\u4ef6\uff0c\u91cd\u5199\u5931\u8d25\u7684\u8bdd\uff0c\u76f4\u63a5\u5220\u9664\u8fd9\u4e2a\u6587\u4ef6\u5c31\u597d\u4e86\uff0c\u4e0d\u4f1a\u5bf9\u539f\u5148\u7684AOF\u6587\u4ef6\u4ea7\u751f\u5f71\u54cd\u3002\u7b49\u91cd\u5199\u5b8c\u6210\u4e4b\u540e\uff0c\u76f4\u63a5\u66ff\u6362\u65e7\u6587\u4ef6\u5373\u53ef\u3002<\/p>\n

    \u5199\u65f6\u590d\u5236\u673a\u5236\uff08Copy-on-write\uff0c\u7b80\u79f0COW\uff09\u662f\u4e00\u79cd\u8ba1\u7b97\u673a\u7a0b\u5e8f\u8bbe\u8ba1\u9886\u57df\u7684\u4f18\u5316\u7b56\u7565\u3002\u5176\u6838\u5fc3\u601d\u60f3\u662f\uff0c\u5982\u679c\u6709\u591a\u4e2a\u8c03\u7528\u8005\uff08callers\uff09\u540c\u65f6\u8981\u6c42\u76f8\u540c\u8d44\u6e90\uff08\u5982\u5185\u5b58\u6216\u78c1\u76d8\u4e0a\u7684\u6570\u636e\u5b58\u50a8\uff09\uff0c\u4ed6\u4eec\u4f1a\u5171\u540c\u83b7\u53d6\u76f8\u540c\u7684\u6307\u9488\u6307\u5411\u76f8\u540c\u7684\u8d44\u6e90\uff0c\u76f4\u5230\u67d0\u4e2a\u8c03\u7528\u8005\u8bd5\u56fe\u4fee\u6539\u8d44\u6e90\u7684\u5185\u5bb9\u65f6\uff0c\u7cfb\u7edf\u624d\u4f1a\u771f\u6b63\u590d\u5236\u4e00\u4efd\u4e13\u7528\u526f\u672c\uff08private copy\uff09\u7ed9\u8be5\u8c03\u7528\u8005\uff0c\u800c\u5176\u4ed6\u8c03\u7528\u8005\u6240\u89c1\u5230\u7684\u6700\u521d\u7684\u8d44\u6e90\u4ecd\u7136\u4fdd\u6301\u4e0d\u53d8\u3002\u8fd9\u8fc7\u7a0b\u5bf9\u5176\u4ed6\u7684\u8c03\u7528\u8005\u90fd\u662f\u900f\u660e\u7684\uff08transparently\uff09\u3002\u6b64\u4f5c\u6cd5\u4e3b\u8981\u7684\u4f18\u70b9\u662f\u5982\u679c\u8c03\u7528\u8005\u6ca1\u6709\u4fee\u6539\u8be5\u8d44\u6e90\uff0c\u5c31\u4e0d\u4f1a\u6709\u526f\u672c\uff08private copy\uff09\u88ab\u521b\u5efa\uff0c\u56e0\u6b64\u591a\u4e2a\u8c03\u7528\u8005\u53ea\u662f\u8bfb\u53d6\u64cd\u4f5c\u65f6\u53ef\u4ee5\u5171\u4eab\u540c\u4e00\u4efd\u8d44\u6e90\u3002<\/p>\n

    AOF\u4e24\u5927\u597d\u5904\uff1a
    \n 1\u3001\u907f\u514d\u51fa\u73b0\u8bb0\u5f55\u9519\u8bef\u547d\u4ee4\u7684\u60c5\u51b5\uff1b
    \n 2\u3001\u5b83\u662f\u5728\u547d\u4ee4\u6267\u884c\u540e\u624d\u8bb0\u5f55\u65e5\u5fd7\uff0c\u6240\u4ee5\u4e0d\u4f1a\u963b\u585e\u5f53\u524d\u7684\u5199\u64cd\u4f5c\u3002\uff1b
    \n AOF\u4e24\u5927\u98ce\u9669\uff1a
    \n 1\u3001\u8fd8\u6ca1\u6709\u6765\u5f97\u53ca\u8bb0\u65e5\u5fd7\u5c31\u5b95\u673a\uff0c\u547d\u4ee4\u548c\u76f8\u5e94\u6570\u636e\u5c31\u4e22\u5931\u4e86\uff1b
    \n 2\u3001\u65e5\u5fd7\u5199\u5165\u78c1\u76d8\uff0c\u5f71\u54cd\u540e\u7eedAOF\u843d\u76d8\u64cd\u4f5c\uff1b<\/p>\n

    AOF\u7684\u5de5\u4f5c\u539f\u7406\uff1a
    \n 1\u3001Redis \u6267\u884c fork() \uff0c\u73b0\u5728\u540c\u65f6\u62e5\u6709\u7236\u8fdb\u7a0b\u548c\u5b50\u8fdb\u7a0b\u3002
    \n 2\u3001\u5b50\u8fdb\u7a0b\u5f00\u59cb\u5c06\u65b0 AOF \u6587\u4ef6\u7684\u5185\u5bb9\u5199\u5165\u5230\u4e34\u65f6\u6587\u4ef6\u3002
    \n 3\u3001\u5bf9\u4e8e\u6240\u6709\u65b0\u6267\u884c\u7684\u5199\u5165\u547d\u4ee4\uff0c\u7236\u8fdb\u7a0b\u4e00\u8fb9\u5c06\u5b83\u4eec\u7d2f\u79ef\u5230\u4e00\u4e2a\u5185\u5b58\u7f13\u5b58\u4e2d\uff0c\u4e00\u8fb9\u5c06\u8fd9\u4e9b\u6539\u52a8\u8ffd\u52a0\u5230\u73b0\u6709 AOF \u6587\u4ef6\u7684\u672b\u5c3e,\u8fd9\u6837\u6837\u5373\u4f7f\u5728\u91cd\u5199\u7684\u4e2d\u9014\u53d1\u751f\u505c\u673a\uff0c\u73b0\u6709\u7684 AOF \u6587\u4ef6\u4e5f\u8fd8\u662f\u5b89\u5168\u7684\u3002
    \n 4\u3001\u5f53\u5b50\u8fdb\u7a0b\u5b8c\u6210\u91cd\u5199\u5de5\u4f5c\u65f6\uff0c\u5b83\u7ed9\u7236\u8fdb\u7a0b\u53d1\u9001\u4e00\u4e2a\u4fe1\u53f7\uff0c\u7236\u8fdb\u7a0b\u5728\u63a5\u6536\u5230\u4fe1\u53f7\u4e4b\u540e\uff0c\u5c06AOF\u91cd\u5199\u7f13\u5b58\u4e2d\u7684\u5185\u5bb9\u5168\u90e8\u5199\u5165\u5230\u65b0\u7684AOF\u6587\u4ef6\u4e2d\u3002
    \n 5\u3001\u5bf9\u65b0\u7684AOF\u6587\u4ef6\u8fdb\u884c\u6539\u540d\uff0c\u539f\u5b50\u7684\u8986\u76d6\u539f\u6709\u7684AOF\u6587\u4ef6\uff1b\u5b8c\u6210\u65b0\u65e7\u4e24\u4e2aAOF\u6587\u4ef6\u7684\u66ff\u6362\u3002\n<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"

    Redis\u6301\u4e45\u5316—A...<\/p>\n","protected":false},"author":1,"featured_media":998,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[],"class_list":["post-993","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-24"],"_links":{"self":[{"href":"http:\/\/www.licaneku.fun\/index.php?rest_route=\/wp\/v2\/posts\/993","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.licaneku.fun\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.licaneku.fun\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.licaneku.fun\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.licaneku.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=993"}],"version-history":[{"count":1,"href":"http:\/\/www.licaneku.fun\/index.php?rest_route=\/wp\/v2\/posts\/993\/revisions"}],"predecessor-version":[{"id":999,"href":"http:\/\/www.licaneku.fun\/index.php?rest_route=\/wp\/v2\/posts\/993\/revisions\/999"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.licaneku.fun\/index.php?rest_route=\/wp\/v2\/media\/998"}],"wp:attachment":[{"href":"http:\/\/www.licaneku.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=993"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.licaneku.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=993"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.licaneku.fun\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}