{"id":281,"date":"2024-06-20T16:55:42","date_gmt":"2024-06-20T08:55:42","guid":{"rendered":"http:\/\/zhaoyanqi.cn\/?p=281"},"modified":"2024-06-20T16:55:43","modified_gmt":"2024-06-20T08:55:43","slug":"%e9%85%8d%e7%bd%aeredo-log%e5%92%8cbinlog%e7%9a%84%e5%88%b7%e7%9b%98%e7%ad%96%e7%95%a5","status":"publish","type":"post","link":"https:\/\/zhaoyanqi.cn\/?p=281","title":{"rendered":"\u914d\u7f6eredo log\u548cBinlog\u7684\u5237\u76d8\u7b56\u7565"},"content":{"rendered":"\n

Redo Log\u5237\u76d8\u7b56\u7565<\/h3>\n\n\n\n

Redo Log<\/strong>\u8bb0\u5f55\u4e86\u4e8b\u52a1\u7684\u4fee\u6539\u64cd\u4f5c\uff0c\u4ee5\u786e\u4fdd\u5728\u53d1\u751f\u6545\u969c\u65f6\u53ef\u4ee5\u8fdb\u884c\u6062\u590d\u3002\u5237\u76d8\u7b56\u7565\u5f71\u54cd\u4e86\u4e8b\u52a1\u7684\u6301\u4e45\u6027\u548c\u6570\u636e\u5e93\u6027\u80fd\u3002<\/p>\n\n\n\n

    \n
  1. innodb_flush_log_at_trx_commit<\/strong><\/li>\n<\/ol>\n\n\n\n
      \n
    • \u8bbe\u7f6e\u503c\uff1a<\/strong><\/li>\n<\/ul>\n\n\n\n
        \n
      • 0<\/code>\uff1a\u4e8b\u52a1\u63d0\u4ea4\u65f6\uff0c\u4e0d\u4f1a\u7acb\u5373\u5c06\u65e5\u5fd7\u5199\u5165\u78c1\u76d8\uff0c\u800c\u662f\u5199\u5165\u5230mysql\u7684\u5185\u5b58\u91cc\uff0c\u6bcf\u79d2\u949f\u5237\u76d8\u4e00\u6b21\u3002\u6027\u80fd\u6700\u9ad8\uff0c\u4f46\u6700\u4e0d\u5b89\u5168\uff0c\u53ef\u80fd\u4f1a\u4e22\u5931\u6700\u8fd1\u4e00\u79d2\u7684\u4e8b\u52a1\u3002<\/li>\n\n\n\n
      • 1<\/code>\uff08\u9ed8\u8ba4\uff09\uff1a\u6bcf\u6b21\u4e8b\u52a1\u63d0\u4ea4\u65f6\u90fd\u4f1a\u5c06\u65e5\u5fd7\u5199\u5165\u78c1\u76d8\u3002\u6700\u5b89\u5168\uff0c\u4f46\u6027\u80fd\u7a0d\u5dee\u3002<\/li>\n\n\n\n
      • 2<\/code>\uff1a\u6bcf\u6b21\u4e8b\u52a1\u63d0\u4ea4\u65f6\u5c06\u65e5\u5fd7\u5199\u5165\u5230\u64cd\u4f5c\u7cfb\u7edf<\/strong>\u7f13\u5b58\uff0c\u4f46\u6bcf\u79d2\u949f\u5237\u76d8\u4e00\u6b21\u3002\u6027\u80fd\u4e0e\u5b89\u5168\u6027\u6298\u4e2d\u3002<\/li>\n\n\n\n
      • \u63a8\u8350\u8bbe\u7f6e\uff1a<\/strong><\/li>\n<\/ul>\n\n\n\n
          \n
        • \u5728\u9700\u8981\u9ad8\u4e8b\u52a1\u5b89\u5168\u6027\u7684\u60c5\u51b5\u4e0b\uff08\u5982\u94f6\u884c\u7cfb\u7edf\uff09\uff0c\u5efa\u8bae\u8bbe\u7f6e\u4e3a1<\/code>\u3002<\/li>\n\n\n\n
        • \u5728\u5bf9\u6027\u80fd\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u666f\u4e0b\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e3a2<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n
            \n
          1. innodb_flush_method<\/strong><\/li>\n<\/ol>\n\n\n\n
              \n
            • \u8bbe\u7f6e\u503c\uff1a<\/strong><\/li>\n<\/ul>\n\n\n\n
                \n
              • O_DSYNC<\/code>\uff1a\u4f7f\u7528\u540c\u6b65I\/O\u64cd\u4f5c\u6765\u5237\u65b0\u65e5\u5fd7\u6587\u4ef6\u5230\u78c1\u76d8\uff0c\u9002\u7528\u4e8e\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u3002<\/li>\n\n\n\n
              • fsync<\/code>\uff1a\u4f7f\u7528fsync()\u51fd\u6570\u6765\u786e\u4fdd\u6570\u636e\u5199\u5165\u78c1\u76d8\uff0c\u9ed8\u8ba4\u8bbe\u7f6e\u3002<\/li>\n\n\n\n
              • O_DIRECT<\/code>\uff1a\u4f7f\u7528\u76f4\u63a5I\/O\u64cd\u4f5c\uff0c\u7ed5\u8fc7\u64cd\u4f5c\u7cfb\u7edf\u7684\u7f13\u5b58\uff0c\u51cf\u5c11\u5185\u5b58\u5f00\u9500\uff0c\u9002\u7528\u4e8e\u9ad8\u5e76\u53d1\u5199\u5165\u573a\u666f\u3002<\/li>\n\n\n\n
              • \u63a8\u8350\u8bbe\u7f6e\uff1a<\/strong><\/li>\n<\/ul>\n\n\n\n
                  \n
                • \u5bf9\u4e8e\u5927\u591a\u6570\u5e94\u7528\u573a\u666f\uff0cfsync<\/code>\u548cO_DSYNC<\/code>\u90fd\u662f\u5408\u9002\u7684\u9009\u62e9\u3002<\/li>\n\n\n\n
                • \u5728\u9700\u8981\u51cf\u5c11\u5185\u5b58\u4f7f\u7528\u5e76\u4e14\u6709\u9ad8\u5e76\u53d1\u5199\u5165\u9700\u6c42\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u8003\u8651O_DIRECT<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n

                  Binlog\u5237\u76d8\u7b56\u7565<\/h3>\n\n\n\n

                  Binlog<\/strong>\uff08\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff09\u8bb0\u5f55\u4e86\u6240\u6709\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u66f4\u6539\u7684SQL\u8bed\u53e5\uff0c\u7528\u4e8e\u590d\u5236\u548c\u6062\u590d\u3002<\/p>\n\n\n\n

                    \n
                  1. sync_binlog<\/strong><\/li>\n<\/ol>\n\n\n\n
                      \n
                    • \u8bbe\u7f6e\u503c\uff1a<\/strong><\/li>\n<\/ul>\n\n\n\n
                        \n
                      • 0<\/code>\uff1a\u4e0d\u8fdb\u884cbinlog\u540c\u6b65\uff0c\u64cd\u4f5c\u7cfb\u7edf\u63a7\u5236\u5237\u76d8\u65f6\u95f4\u3002\u6027\u80fd\u6700\u9ad8\uff0c\u4f46\u6700\u4e0d\u5b89\u5168\uff0c\u53ef\u80fd\u4f1a\u4e22\u5931\u6700\u8fd1\u7684\u4e8b\u52a1\u3002<\/li>\n\n\n\n
                      • 1<\/code>\uff1a\u6bcf\u6b21\u4e8b\u52a1\u63d0\u4ea4\u65f6\u540c\u6b65binlog\u5230\u78c1\u76d8\u3002\u6700\u5b89\u5168\uff0c\u4f46\u6027\u80fd\u6700\u4f4e\u3002<\/li>\n\n\n\n
                      • N<\/code>\uff08>1\uff09\uff1a\u6bcfN\u6b21\u4e8b\u52a1\u63d0\u4ea4\u65f6\u540c\u6b65binlog\u5230\u78c1\u76d8\u3002\u6027\u80fd\u548c\u5b89\u5168\u6027\u6298\u4e2d\u3002<\/li>\n\n\n\n
                      • \u63a8\u8350\u8bbe\u7f6e\uff1a<\/strong><\/li>\n<\/ul>\n\n\n\n
                          \n
                        • \u5728\u9700\u8981\u9ad8\u4e8b\u52a1\u5b89\u5168\u6027\u7684\u60c5\u51b5\u4e0b\uff08\u5982\u91d1\u878d\u7cfb\u7edf\uff09\uff0c\u5efa\u8bae\u8bbe\u7f6e\u4e3a1<\/code>\u3002<\/li>\n\n\n\n
                        • \u5728\u5bf9\u6027\u80fd\u6709\u8f83\u9ad8\u8981\u6c42\u7684\u73af\u5883\u4e2d\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e3a100<\/code>\u6216\u66f4\u9ad8\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\uff0c\u540c\u65f6\u5728\u5bb9\u5fcd\u4e00\u4e9b\u6570\u636e\u4e22\u5931\u7684\u60c5\u51b5\u4e0b\u3002<\/li>\n<\/ul>\n\n\n\n

                          \u793a\u4f8b\u914d\u7f6e<\/h3>\n\n\n\n

                          \u5728MySQL\u7684\u914d\u7f6e\u6587\u4ef6\uff08\u5982my.cnf<\/code>\u6216my.ini<\/code>\uff09\u4e2d\uff0c\u53ef\u4ee5\u6309\u5982\u4e0b\u65b9\u5f0f\u8bbe\u7f6e\uff1a<\/p>\n\n\n\n

                          [mysqld]\n# Redo Log\u5237\u76d8\u7b56\u7565\ninnodb_flush_log_at_trx_commit=1\ninnodb_flush_method=O_DSYNC\n\n# Binlog\u5237\u76d8\u7b56\u7565\nsync_binlog=1<\/code><\/pre>\n\n\n\n
                          \u6839\u636e\u9700\u6c42\u8c03\u6574\u8bbe\u7f6e\uff0c\u4ee5\u5728\u6027\u80fd\u548c\u6570\u636e\u5b89\u5168\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                          Redo Log\u5237\u76d8\u7b56\u7565 Redo Log\u8bb0\u5f55\u4e86\u4e8b\u52a1\u7684\u4fee\u6539\u64cd\u4f5c\uff0c\u4ee5\u786e\u4fdd\u5728\u53d1\u751f\u6545\u969c\u65f6\u53ef\u4ee5\u8fdb\u884c\u6062\u590d\u3002\u5237\u76d8\u7b56\u7565\u5f71\u54cd\u4e86 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14,8],"tags":[],"class_list":["post-281","post","type-post","status-publish","format-standard","hentry","category-mysql_storage_engine","category-mysql"],"_links":{"self":[{"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=\/wp\/v2\/posts\/281","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=281"}],"version-history":[{"count":1,"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=\/wp\/v2\/posts\/281\/revisions"}],"predecessor-version":[{"id":282,"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=\/wp\/v2\/posts\/281\/revisions\/282"}],"wp:attachment":[{"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=281"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=281"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=281"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}