MySQL在同一个服务器上可以安装N个不同的版本,方便测试,迁移等等。此外,对于大多数Linux系统,集成了mysql,缺省会被安装。因此多版本的问题导致一些莫名的错误也是时有发生。今天在提取binlog日志时,碰到了一个Log_event::read_log_event(): ‘Found invalid event in binary log’。上网搜索发现是由于mysqlbinlog的版本和在用的mysql版本不一致造成的,需要指定路径执行
mysqlbinlog --start-datetime='2015-04-14 09:00:00' --stop-datetime='2015-04-14 16:00:00' mysql-bin.000170 > userop.log ERROR: Error in Log_event::read_log_event(): 'Found invalid event in binary log', data_len: 127, event_type: 19
# 查看当前os使用的mysqlbinlog shell> which mysqlbinlog /usr/bin/mysqlbinlog # 查看mysql当前使用的mysqlbinlog mysql> show variables like 'basedir'; +---------------+------------------+ | Variable_name | Value | +---------------+------------------+ | basedir | /usr/local/mysql | +---------------+------------------+ 1 row in set (0.00 sec) # 对比两个版本 shell> /usr/bin/mysqlbinlog --version /usr/bin/mysqlbinlog Ver 3.2 for redhat-linux-gnu at x86_64 shell> /usr/local/mysql/bin/mysqlbinlog --version /usr/local/mysql/bin/mysqlbinlog Ver 3.3 for linux2.6 at x86_64 # 指定mysqlbinlog路径 shell> /usr/local/mysql/bin/mysqlbinlog --start-datetime='2015-04-14 09:00:00' --stop-datetime='2015-04-14 16:00:00' mysql-bin.000170 > userop.log
参考:
http://www.linuxidc.com/Linux/2014-12/110654.htm
http://blog.chinaunix.net/uid-20639775-id-324130.html
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