{"rsdb":{"rid":"244633","subhead":"","postdate":"0","aid":"168337","fid":"76","uid":"1","topic":"1","content":"<div class=\"entry\"> \n <div class=\"copyright-area\">\n  \u539f\u6587\u51fa\u5904\uff1a \n  <a>MSSQL123<\/a>\n <\/div> \n <p>MySQL\u4e2d\u6709\u516d\u79cd\u65e5\u5fd7\u6587\u4ef6\uff0c\u5206\u522b\u662f\uff1a\u91cd\u505a\u65e5\u5fd7\uff08redo log\uff09\u3001\u56de\u6eda\u65e5\u5fd7\uff08undo log\uff09\u3001\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff08binlog\uff09\u3001\u9519\u8bef\u65e5\u5fd7\uff08errorlog\uff09\u3001\u6162\u67e5\u8be2\u65e5\u5fd7\uff08slow query log\uff09\u3001\u4e00\u822c\u67e5\u8be2\u65e5\u5fd7\uff08general log\uff09\uff0c\u4e2d\u7ee7\u65e5\u5fd7\uff08relay log\uff09\u3002<br \/> \u5176\u4e2d\u91cd\u505a\u65e5\u5fd7\u548c\u56de\u6eda\u65e5\u5fd7\u4e0e\u4e8b\u52a1\u64cd\u4f5c\u606f\u606f\u76f8\u5173\uff0c\u4e8c\u8fdb\u5236\u65e5\u5fd7\u4e5f\u4e0e\u4e8b\u52a1\u64cd\u4f5c\u6709\u4e00\u5b9a\u7684\u5173\u7cfb\uff0c\u8fd9\u4e09\u79cd\u65e5\u5fd7\uff0c\u5bf9\u7406\u89e3MySQL\u4e2d\u7684\u4e8b\u52a1\u64cd\u4f5c\u6709\u7740\u91cd\u8981\u7684\u610f\u4e49\u3002<\/p> \n <p>\u8fd9\u91cc\u7b80\u5355\u603b\u7ed3\u4e00\u4e0b\u8fd9\u4e09\u8005\u5177\u6709\u4e00\u5b9a\u76f8\u5173\u6027\u7684\u65e5\u5fd7\u3002<\/p> \n <h2>\u91cd\u505a\u65e5\u5fd7\uff08redo log\uff09<\/h2> \n <p>\u4f5c\u7528\uff1a<br \/> \u786e\u4fdd\u4e8b\u52a1\u7684\u6301\u4e45\u6027\u3002<br \/> \u9632\u6b62\u5728\u53d1\u751f\u6545\u969c\u7684\u65f6\u95f4\u70b9\uff0c\u5c1a\u6709\u810f\u9875\u672a\u5199\u5165\u78c1\u76d8\uff0c\u5728\u91cd\u542fmysql\u670d\u52a1\u7684\u65f6\u5019\uff0c\u6839\u636eredo log\u8fdb\u884c\u91cd\u505a\uff0c\u4ece\u800c\u8fbe\u5230\u4e8b\u52a1\u7684\u6301\u4e45\u6027\u8fd9\u4e00\u7279\u6027\u3002<br \/> \u5185\u5bb9\uff1a<br \/> \u7269\u7406\u683c\u5f0f\u7684\u65e5\u5fd7\uff0c\u8bb0\u5f55\u7684\u662f\u7269\u7406\u6570\u636e\u9875\u9762\u7684\u4fee\u6539\u7684\u4fe1\u606f\uff0c\u5176redo log\u662f\u987a\u5e8f\u5199\u5165redo log file\u7684\u7269\u7406\u6587\u4ef6\u4e2d\u53bb\u7684\u3002<br \/> \u4ec0\u4e48\u65f6\u5019\u4ea7\u751f\uff1a<br \/> \u4e8b\u52a1\u5f00\u59cb\u4e4b\u540e\u5c31\u4ea7\u751fredo log\uff0credo log\u7684\u843d\u76d8\u5e76\u4e0d\u662f\u968f\u7740\u4e8b\u52a1\u7684\u63d0\u4ea4\u624d\u5199\u5165\u7684\uff0c\u800c\u662f\u5728\u4e8b\u52a1\u7684\u6267\u884c\u8fc7\u7a0b\u4e2d\uff0c\u4fbf\u5f00\u59cb\u5199\u5165redo log\u6587\u4ef6\u4e2d\u3002<br \/> \u4ec0\u4e48\u65f6\u5019\u91ca\u653e\uff1a<br \/> \u5f53\u5bf9\u5e94\u4e8b\u52a1\u7684\u810f\u9875\u5199\u5165\u5230\u78c1\u76d8\u4e4b\u540e\uff0credo log\u7684\u4f7f\u547d\u4e5f\u5c31\u5b8c\u6210\u4e86\uff0c\u91cd\u505a\u65e5\u5fd7\u5360\u7528\u7684\u7a7a\u95f4\u5c31\u53ef\u4ee5\u91cd\u7528\uff08\u88ab\u8986\u76d6\uff09\u3002<br \/> \u5bf9\u5e94\u7684\u7269\u7406\u6587\u4ef6\uff1a<br \/> \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5bf9\u5e94\u7684\u7269\u7406\u6587\u4ef6\u4f4d\u4e8e\u6570\u636e\u5e93\u7684data\u76ee\u5f55\u4e0b\u7684ib_logfile1&amp;ib_logfile2<br \/> innodb_log_group_home_dir \u6307\u5b9a\u65e5\u5fd7\u6587\u4ef6\u7ec4\u6240\u5728\u7684\u8def\u5f84\uff0c\u9ed8\u8ba4.\/ \uff0c\u8868\u793a\u5728\u6570\u636e\u5e93\u7684\u6570\u636e\u76ee\u5f55\u4e0b\u3002<br \/> innodb_log_files_in_group \u6307\u5b9a\u91cd\u505a\u65e5\u5fd7\u6587\u4ef6\u7ec4\u4e2d\u6587\u4ef6\u7684\u6570\u91cf\uff0c\u9ed8\u8ba42<br \/> \u5173\u4e8e\u6587\u4ef6\u7684\u5927\u5c0f\u548c\u6570\u91cf\uff0c\u7531\u4e00\u4e0b\u4e24\u4e2a\u53c2\u6570\u914d\u7f6e<br \/> innodb_log_file_size \u91cd\u505a\u65e5\u5fd7\u6587\u4ef6\u7684\u5927\u5c0f\u3002<br \/> innodb_mirrored_log_groups \u6307\u5b9a\u4e86\u65e5\u5fd7\u955c\u50cf\u6587\u4ef6\u7ec4\u7684\u6570\u91cf\uff0c\u9ed8\u8ba41<br \/> \u5176\u4ed6\uff1a<br \/> \u5f88\u91cd\u8981\u4e00\u70b9\uff0credo log\u662f\u4ec0\u4e48\u65f6\u5019\u5199\u76d8\u7684\uff1f\u524d\u9762\u8bf4\u4e86\u662f\u5728\u4e8b\u7269\u5f00\u59cb\u4e4b\u540e\u9010\u6b65\u5199\u76d8\u7684\u3002<br \/> \u4e4b\u6240\u4ee5\u8bf4\u91cd\u505a\u65e5\u5fd7\u662f\u5728\u4e8b\u52a1\u5f00\u59cb\u4e4b\u540e\u9010\u6b65\u5199\u5165\u91cd\u505a\u65e5\u5fd7\u6587\u4ef6\uff0c\u800c\u4e0d\u4e00\u5b9a\u662f\u4e8b\u52a1\u63d0\u4ea4\u624d\u5199\u5165\u91cd\u505a\u65e5\u5fd7\u7f13\u5b58\uff0c<br \/> \u539f\u56e0\u5c31\u662f\uff0c\u91cd\u505a\u65e5\u5fd7\u6709\u4e00\u4e2a\u7f13\u5b58\u533aInnodb_log_buffer\uff0cInnodb_log_buffer\u7684\u9ed8\u8ba4\u5927\u5c0f\u4e3a8M(\u8fd9\u91cc\u8bbe\u7f6e\u768416M),Innodb\u5b58\u50a8\u5f15\u64ce\u5148\u5c06\u91cd\u505a\u65e5\u5fd7\u5199\u5165innodb_log_buffer\u4e2d\u3002<\/p> \n <p><img src=\"https:\/\/images2017.cnblogs.com\/blog\/380271\/201801\/380271-20180128095300756-752816619.png\" alt=\"\" \/><\/p> \n <p>\u7136\u540e\u4f1a\u901a\u8fc7\u4ee5\u4e0b\u4e09\u79cd\u65b9\u5f0f\u5c06innodb\u65e5\u5fd7\u7f13\u51b2\u533a\u7684\u65e5\u5fd7\u5237\u65b0\u5230\u78c1\u76d8<br \/> 1\uff0cMaster Thread \u6bcf\u79d2\u4e00\u6b21\u6267\u884c\u5237\u65b0Innodb_log_buffer\u5230\u91cd\u505a\u65e5\u5fd7\u6587\u4ef6\u3002<br \/> 2\uff0c\u6bcf\u4e2a\u4e8b\u52a1\u63d0\u4ea4\u65f6\u4f1a\u5c06\u91cd\u505a\u65e5\u5fd7\u5237\u65b0\u5230\u91cd\u505a\u65e5\u5fd7\u6587\u4ef6\u3002<br \/> 3\uff0c\u5f53\u91cd\u505a\u65e5\u5fd7\u7f13\u5b58\u53ef\u7528\u7a7a\u95f4 \u5c11\u4e8e\u4e00\u534a\u65f6\uff0c\u91cd\u505a\u65e5\u5fd7\u7f13\u5b58\u88ab\u5237\u65b0\u5230\u91cd\u505a\u65e5\u5fd7\u6587\u4ef6<br \/> \u7531\u6b64\u53ef\u4ee5\u770b\u51fa\uff0c\u91cd\u505a\u65e5\u5fd7\u901a\u8fc7\u4e0d\u6b62\u4e00\u79cd\u65b9\u5f0f\u5199\u5165\u5230\u78c1\u76d8\uff0c\u5c24\u5176\u662f\u5bf9\u4e8e\u7b2c\u4e00\u79cd\u65b9\u5f0f\uff0cInnodb_log_buffer\u5230\u91cd\u505a\u65e5\u5fd7\u6587\u4ef6\u662fMaster Thread\u7ebf\u7a0b\u7684\u5b9a\u65f6\u4efb\u52a1\u3002<br \/> \u56e0\u6b64\u91cd\u505a\u65e5\u5fd7\u7684\u5199\u76d8\uff0c\u5e76\u4e0d\u4e00\u5b9a\u662f\u968f\u7740\u4e8b\u52a1\u7684\u63d0\u4ea4\u624d\u5199\u5165\u91cd\u505a\u65e5\u5fd7\u6587\u4ef6\u7684\uff0c\u800c\u662f\u968f\u7740\u4e8b\u52a1\u7684\u5f00\u59cb\uff0c\u9010\u6b65\u5f00\u59cb\u7684\u3002<br \/> \u53e6\u5916\u5f15\u7528\u300aMySQL\u6280\u672f\u5185\u5e55 Innodb \u5b58\u50a8\u5f15\u64ce\u300b\uff08page37\uff09\u4e0a\u7684\u539f\u8bdd\uff1a<br \/> \u5373\u4f7f\u67d0\u4e2a\u4e8b\u52a1\u8fd8\u6ca1\u6709\u63d0\u4ea4\uff0cInnodb\u5b58\u50a8\u5f15\u64ce\u4ecd\u7136\u6bcf\u79d2\u4f1a\u5c06\u91cd\u505a\u65e5\u5fd7\u7f13\u5b58\u5237\u65b0\u5230\u91cd\u505a\u65e5\u5fd7\u6587\u4ef6\u3002<br \/> \u8fd9\u4e00\u70b9\u662f\u5fc5\u987b\u8981\u77e5\u9053\u7684\uff0c\u56e0\u4e3a\u8fd9\u53ef\u4ee5\u5f88\u597d\u5730\u89e3\u91ca\u518d\u5927\u7684\u4e8b\u52a1\u7684\u63d0\u4ea4\uff08commit\uff09\u7684\u65f6\u95f4\u4e5f\u662f\u5f88\u77ed\u6682\u7684\u3002<\/p> \n <h2>\u56de\u6eda\u65e5\u5fd7\uff08undo log\uff09<\/h2> \n <p>\u4f5c\u7528\uff1a<br \/> \u4fdd\u5b58\u4e86\u4e8b\u52a1\u53d1\u751f\u4e4b\u524d\u7684\u6570\u636e\u7684\u4e00\u4e2a\u7248\u672c\uff0c\u53ef\u4ee5\u7528\u4e8e\u56de\u6eda\uff0c\u540c\u65f6\u53ef\u4ee5\u63d0\u4f9b\u591a\u7248\u672c\u5e76\u53d1\u63a7\u5236\u4e0b\u7684\u8bfb\uff08MVCC\uff09\uff0c\u4e5f\u5373\u975e\u9501\u5b9a\u8bfb<\/p> \n <p>\u5185\u5bb9\uff1a<br \/> \u903b\u8f91\u683c\u5f0f\u7684\u65e5\u5fd7\uff0c\u5728\u6267\u884cundo\u7684\u65f6\u5019\uff0c\u4ec5\u4ec5\u662f\u5c06\u6570\u636e\u4ece\u903b\u8f91\u4e0a\u6062\u590d\u81f3\u4e8b\u52a1\u4e4b\u524d\u7684\u72b6\u6001\uff0c\u800c\u4e0d\u662f\u4ece\u7269\u7406\u9875\u9762\u4e0a\u64cd\u4f5c\u5b9e\u73b0\u7684\uff0c\u8fd9\u4e00\u70b9\u662f\u4e0d\u540c\u4e8eredo log\u7684\u3002<\/p> \n <p>\u4ec0\u4e48\u65f6\u5019\u4ea7\u751f\uff1a<br \/> \u4e8b\u52a1\u5f00\u59cb\u4e4b\u524d\uff0c\u5c06\u5f53\u524d\u662f\u7684\u7248\u672c\u751f\u6210undo log\uff0cundo \u4e5f\u4f1a\u4ea7\u751f redo \u6765\u4fdd\u8bc1undo log\u7684\u53ef\u9760\u6027<\/p> \n <p>\u4ec0\u4e48\u65f6\u5019\u91ca\u653e\uff1a<br \/> \u5f53\u4e8b\u52a1\u63d0\u4ea4\u4e4b\u540e\uff0cundo log\u5e76\u4e0d\u80fd\u7acb\u9a6c\u88ab\u5220\u9664\uff0c<br \/> \u800c\u662f\u653e\u5165\u5f85\u6e05\u7406\u7684\u94fe\u8868\uff0c\u7531purge\u7ebf\u7a0b\u5224\u65ad\u662f\u5426\u7531\u5176\u4ed6\u4e8b\u52a1\u5728\u4f7f\u7528undo\u6bb5\u4e2d\u8868\u7684\u4e0a\u4e00\u4e2a\u4e8b\u52a1\u4e4b\u524d\u7684\u7248\u672c\u4fe1\u606f\uff0c\u51b3\u5b9a\u662f\u5426\u53ef\u4ee5\u6e05\u7406undo log\u7684\u65e5\u5fd7\u7a7a\u95f4\u3002<\/p> \n <p>\u5bf9\u5e94\u7684\u7269\u7406\u6587\u4ef6\uff1a<br \/> MySQL5.6\u4e4b\u524d\uff0cundo\u8868\u7a7a\u95f4\u4f4d\u4e8e\u5171\u4eab\u8868\u7a7a\u95f4\u7684\u56de\u6eda\u6bb5\u4e2d\uff0c\u5171\u4eab\u8868\u7a7a\u95f4\u7684\u9ed8\u8ba4\u7684\u540d\u79f0\u662fibdata\uff0c\u4f4d\u4e8e\u6570\u636e\u6587\u4ef6\u76ee\u5f55\u4e2d\u3002<br \/> MySQL5.6\u4e4b\u540e\uff0cundo\u8868\u7a7a\u95f4\u53ef\u4ee5\u914d\u7f6e\u6210\u72ec\u7acb\u7684\u6587\u4ef6\uff0c\u4f46\u662f\u63d0\u524d\u9700\u8981\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u914d\u7f6e\uff0c\u5b8c\u6210\u6570\u636e\u5e93\u521d\u59cb\u5316\u540e\u751f\u6548\u4e14\u4e0d\u53ef\u6539\u53d8undo log\u6587\u4ef6\u7684\u4e2a\u6570<br \/> \u5982\u679c\u521d\u59cb\u5316\u6570\u636e\u5e93\u4e4b\u524d\u6ca1\u6709\u8fdb\u884c\u76f8\u5173\u914d\u7f6e\uff0c\u90a3\u4e48\u5c31\u65e0\u6cd5\u914d\u7f6e\u6210\u72ec\u7acb\u7684\u8868\u7a7a\u95f4\u4e86\u3002<br \/> \u5173\u4e8eMySQL5.7\u4e4b\u540e\u7684\u72ec\u7acbundo \u8868\u7a7a\u95f4\u914d\u7f6e\u53c2\u6570\u5982\u4e0b<br \/> innodb_undo_directory = \/data\/undospace\/ \u2013undo\u72ec\u7acb\u8868\u7a7a\u95f4\u7684\u5b58\u653e\u76ee\u5f55<br \/> innodb_undo_logs = 128 \u2013\u56de\u6eda\u6bb5\u4e3a128KB<br \/> innodb_undo_tablespaces = 4 \u2013\u6307\u5b9a\u67094\u4e2aundo log\u6587\u4ef6<\/p> \n <p>\u5982\u679cundo\u4f7f\u7528\u7684\u5171\u4eab\u8868\u7a7a\u95f4\uff0c\u8fd9\u4e2a\u5171\u4eab\u8868\u7a7a\u95f4\u4e2d\u53c8\u4e0d\u4ec5\u4ec5\u662f\u5b58\u50a8\u4e86undo\u7684\u4fe1\u606f\uff0c\u5171\u4eab\u8868\u7a7a\u95f4\u7684\u9ed8\u8ba4\u4e3a\u4e0eMySQL\u7684\u6570\u636e\u76ee\u5f55\u4e0b\u9762\uff0c\u5176\u5c5e\u6027\u7531\u53c2\u6570innodb_data_file_path\u914d\u7f6e\u3002<br \/> <img src=\"https:\/\/images2017.cnblogs.com\/blog\/380271\/201801\/380271-20180128095358756-173424995.png\" alt=\"\" \/><\/p> \n <p>\u5176\u4ed6\uff1a<br \/> undo\u662f\u5728\u4e8b\u52a1\u5f00\u59cb\u4e4b\u524d\u4fdd\u5b58\u7684\u88ab\u4fee\u6539\u6570\u636e\u7684\u4e00\u4e2a\u7248\u672c\uff0c\u4ea7\u751fundo\u65e5\u5fd7\u7684\u65f6\u5019\uff0c\u540c\u6837\u4f1a\u4f34\u968f\u7c7b\u4f3c\u4e8e\u4fdd\u62a4\u4e8b\u52a1\u6301\u4e45\u5316\u673a\u5236\u7684redolog\u7684\u4ea7\u751f\u3002<br \/> \u9ed8\u8ba4\u60c5\u51b5\u4e0bundo\u6587\u4ef6\u662f\u4fdd\u6301\u5728\u5171\u4eab\u8868\u7a7a\u95f4\u7684\uff0c\u4e5f\u5373ibdatafile\u6587\u4ef6\u4e2d\uff0c\u5f53\u6570\u636e\u5e93\u4e2d\u53d1\u751f\u4e00\u4e9b\u5927\u7684\u4e8b\u52a1\u6027\u64cd\u4f5c\u7684\u65f6\u5019\uff0c\u8981\u751f\u6210\u5927\u91cf\u7684undo\u4fe1\u606f\uff0c\u5168\u90e8\u4fdd\u5b58\u5728\u5171\u4eab\u8868\u7a7a\u95f4\u4e2d\u7684\u3002<br \/> \u56e0\u6b64\u5171\u4eab\u8868\u7a7a\u95f4\u53ef\u80fd\u4f1a\u53d8\u7684\u5f88\u5927\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u4e5f\u5c31\u662fundo \u65e5\u5fd7\u4f7f\u7528\u5171\u4eab\u8868\u7a7a\u95f4\u7684\u65f6\u5019\uff0c\u88ab\u201c\u6491\u5927\u201d\u7684\u5171\u4eab\u8868\u7a7a\u95f4\u662f\u4e0d\u4f1a\u4e5f\u4e0d\u80fd\u81ea\u52a8\u6536\u7f29\u7684\u3002<br \/> \u56e0\u6b64\uff0cmysql5.7\u4e4b\u540e\u7684\u201c\u72ec\u7acbundo \u8868\u7a7a\u95f4\u201d\u7684\u914d\u7f6e\u5c31\u663e\u5f97\u5f88\u6709\u5fc5\u8981\u4e86\u3002<\/p> \n 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log\u5f88\u660e\u663e\u7684\u5dee\u5f02\u5c31\u662fredo log\u5e76\u4e0d\u4e00\u5b9a\u662f\u5728\u4e8b\u52a1\u63d0\u4ea4\u7684\u65f6\u5019\u5237\u65b0\u5230\u78c1\u76d8\uff0credo log\u662f\u5728\u4e8b\u52a1\u5f00\u59cb\u4e4b\u540e\u5c31\u5f00\u59cb\u9010\u6b65\u5199\u5165\u78c1\u76d8\u3002<br \/> \u56e0\u6b64\u5bf9\u4e8e\u4e8b\u52a1\u7684\u63d0\u4ea4\uff0c\u5373\u4fbf\u662f\u8f83\u5927\u7684\u4e8b\u52a1\uff0c\u63d0\u4ea4\uff08commit\uff09\u90fd\u662f\u5f88\u5feb\u7684\uff0c\u4f46\u662f\u5728\u5f00\u542f\u4e86bin_log\u7684\u60c5\u51b5\u4e0b\uff0c\u5bf9\u4e8e\u8f83\u5927\u4e8b\u52a1\u7684\u63d0\u4ea4\uff0c\u53ef\u80fd\u4f1a\u53d8\u5f97\u6bd4\u8f83\u6162\u4e00\u4e9b\u3002<br \/> \u8fd9\u662f\u56e0\u4e3abinlog\u662f\u5728\u4e8b\u52a1\u63d0\u4ea4\u7684\u65f6\u5019\u4e00\u6b21\u6027\u5199\u5165\u7684\u9020\u6210\u7684\uff0c\u8fd9\u4e9b\u53ef\u4ee5\u901a\u8fc7\u6d4b\u8bd5\u9a8c\u8bc1\u3002<\/p> \n <p>\u4ec0\u4e48\u65f6\u5019\u91ca\u653e\uff1a<br \/> binlog\u7684\u9ed8\u8ba4\u662f\u4fdd\u6301\u65f6\u95f4\u7531\u53c2\u6570expire_logs_days\u914d\u7f6e\uff0c\u4e5f\u5c31\u662f\u8bf4\u5bf9\u4e8e\u975e\u6d3b\u52a8\u7684\u65e5\u5fd7\u6587\u4ef6\uff0c\u5728\u751f\u6210\u65f6\u95f4\u8d85\u8fc7expire_","orderid":"0","title":"MySQL\u4e2d\u7684\u91cd\u505a\u65e5\u5fd7\uff08redo log\uff09\uff0c\u56de\u6eda\u65e5\u5fd7\uff08undo log\uff09\uff0c\u4ee5\u53ca\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff08binlog\uff09\u7684\u7b80\u5355\u603b\u7ed3(\u4e00)","smalltitle":"","mid":"0","fname":"JAVA","special_id":"0","bak_id":"0","info":"0","hits":"1008","pages":"2","comments":"0","posttime":"2018-02-22 14:32:39","list":"1519281159","username":"admin","author":"","copyfrom":"","copyfromurl":"","titlecolor":"","fonttype":"0","titleicon":"0","picurl":"https:\/\/www.cppentry.com\/upload_files\/","ispic":"0","yz":"1","yzer":"","yztime":"0","levels":"0","levelstime":"0","keywords":"<A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=MySQL' target=_blank>MySQL<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%C8%D5%D6%BE' target=_blank>\u65e5\u5fd7<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=redo' target=_blank>redo<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=log' target=_blank>log<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=undo' target=_blank>undo<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%D2%D4%BC%B0' target=_blank>\u4ee5\u53ca<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%B6%FE%BD%F8%D6%C6%C8%D5%D6%BE' target=_blank>\u4e8c\u8fdb\u5236\u65e5\u5fd7<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=binlog' target=_blank>binlog<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%BC%F2%B5%A5' target=_blank>\u7b80\u5355<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%D7%DC%BD%E1' target=_blank>\u603b\u7ed3<\/A>","jumpurl":"","iframeurl":"","style":"","template":"a:3:{s:4:\"head\";s:0:\"\";s:4:\"foot\";s:0:\"\";s:8:\"bencandy\";s:0:\"\";}","target":"0","ip":"14.20.29.21","lastfid":"0","money":"0","buyuser":"","passwd":"","allowdown":"","allowview":"","editer":"","edittime":"0","begintime":"0","endtime":"0","description":"MySQL\u4e2d\u7684\u91cd\u505a\u65e5\u5fd7\uff08redo log\uff09\uff0c\u56de\u6eda\u65e5\u5fd7\uff08undo log\uff09\uff0c\u4ee5\u53ca\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff08binlog\uff09\u7684\u7b80\u5355\u603b\u7ed3","lastview":"1695098883","digg_num":"0","digg_time":"0","forbidcomment":"0","ifvote":"0","heart":"","htmlname":"","city_id":"0"},"page":"1"}