… Connect_Retry: 60 Master_Log_File: Read_Master_Log_Pos: 4 Relay_Log_File: mysql_sandbox35302-relay-bin.000001 Relay_Log_Pos: 4 Relay_Master_Log_File: Slave_IO… at the beginning of the first available binary log, which is very likely to corrupt your data by reexecuting some queries. Here…
Post: Disconnecting a replication slave is easier with MySQL 5.5+ (RESET SLAVE vs. RESET SLAVE ALL)
April 17, 2013 By 2 Comments
Post: Troubleshooting Relay Log Corruption in MySQL
August 2, 2008 By 7 Comments
…’s relay log, you will be able to know their names by issuing ‘SHOW SLAVE STATUS’ on this slave. This is relay relay log corruption and you can check details in the MySQL Error log file. The error message describes few… to show up in relay logs. Really this is only one of various error messages you could see if relay log corrupted. You could also…
Post: Replication checksums in MySQL 5.6
February 15, 2013 By 3 Comments
… can break data integrity. One fairly common issue is binary log or relay log corruption. Will replication checksums help you in this case? Yes… rows affected (0,00 sec) We’ll now simulate a relay log corruption by manually editing it before the event is executed on… ‘mysqlbinlog’ on the binary log), the slave’s relay log is corrupted (you can check this by running ‘mysqlbinlog’ on the relay log), a network problem…
Post: MySQL Crash Recovery
July 30, 2006 By 30 Comments
… well as many other operations, so beware. Binary log corruption – Binary log may become corrupted and out of sync with database content. This will… most vulnerable. master.info corruption – If slave happens to crash you can also have relay logs corruption and master.info being corrupted. Not to mention…
Post: Recovery beyond data restore
August 2, 2008 By 11 Comments
… seriously behind you’re risking to get major inconsistence because relay logs will be lost if you just re-point slave. So… process all its relay logs before re-pointing it. Interesting enough Google has solution for us again which comes as “log mirroring” patches… as shortcut) – for example you may have master or relay binary log corruption. Master or Slave running out of space, Slave crashing (and…
Post: Percona Server 5.5.10 (Release Candidate)
April 4, 2011 By 4 Comments
… Kinoshita) Old system variable log_warnings_silence was renamed to log_warnings_suppress. (Oleg Tsarev) Old system variable log_slow_timestamp_every was…_overwrite_relay_log_info was renamed to innodb_recovery_update_relay_log. (Yasufumi Kinoshita) Old system variable innodb_pass_corrupt_table was renamed to innodb_corrupt…
Comment: Replication checksums in MySQL 5.6
February 15, 2013 By 3 Comments
… another way to slow down the SQL thread. Usually a corrupted relay log is quickly caught by the SQL thread, but I suppose… cosmic ray hit, it’d only permutate the data without corrupting the full record and this would definitely be a good…
Post: Innodb Undelete and Sphinx Support
November 12, 2007 By 4 Comments
… log, corrupted binary log and dig into MyISAM tables. You would ask who would ever need such recovery services – should not people just relay…, yet another nice case is weekly backups with no binary log enabled when managed hosting support would happily point to the…
Post: Percona Server 5.5.17-22.1 released
November 18, 2011 By Leave a Comment
… have SHOW SLAVE STATUS give incorrect output due to a corrupted relay log. Bug Fixed: #860910 (Alexey Kopytov).
Comment: Falcon Storage Engine Design Review
January 12, 2007 By 19 Comments
…), some are environment related – log flushing on transaction commit, size of log files etc. Regarding design -… fixed. No Clustered Index: I think you relay on row cache too much. If working …tracing bad memory or hardware melt down before corruption spread all around database. Some other techniques …
