…11:51:16 InnoDB: Database was not shut down normally! InnoDB: Starting crash recovery. InnoDB: Reading tablespace information from the .ibd files… InnoDB: Restoring possible … ready for connections. Version: ’5.0.95′ socket: ‘/var/lib/mysql/mysql.sock’ port: 3306 Source distribution Also, I don’t …
Comment: How FLUSH TABLES WITH READ LOCK works with Innodb Tables
March 26, 2012 By 20 Comments
… bring up the new mysqld, which finds a crashed innodb, recovers this, and then it is being …machine. Every once in a while the recovery of the innodb in the target location fails, though, even…experiencing this with many versions of MySQL. We are now using ‘service mysql stop’ instead of FLUSH …
Post: Percona Testing: Innodb crash / recovery tests available
December 21, 2011 By Leave a Comment
Not everyone may know this, but there are precious few innodb crash recovery tests available. Some folks have noticed this and asked for… unfortunately, no tests have been created for the main MySQL branch. The MySQL at Facebook branch has a number of tests that…_CRASHED (101) I also took pains to ensure that the randgen workload was having an effect on the test tables between crash/recovery…
Post: MySQL Crash Recovery
July 30, 2006 By 26 Comments
… fast is better solution. Innodb Recovery – Unless you have some hardware problems (99%) or found new Innodb bug (1%) Innodb recovery should be automatic and… problems which you may experience related to MySQL Crash Recovery – Restoring data from backup, corrupted Innodb tablespace recovery etc but I should write about them…
Post: Improving InnoDB recovery time
July 7, 2009 By 12 Comments
Speed of InnoDB recovery is known and quite annoying problem. It was discussed many times, see: http://bugs.mysql.com/bug.php?id=29847 http://dammit.lt/2008/10/26/innodb-crash-recovery/ This is problem when your InnoDB crashes, it may… crash mysql during in-memory tpcc-mysql benchmark with 16 running threads. MySQL params are: innodb_buffer_pool_size=16G innodb_log_files_in_group=3 innodb…
Post: Innodb Recovery - Is large buffer pool always better ?
July 17, 2007 By 3 Comments
… with Innodb crash recovery on box with large amount of memory (64GB) with Innodb Buffer pool configured to be just a bit over 20GB. Innodb recovery was taking long hours with reasonably sized Innodb log files… insert the page. So I took a shot at restarting MySQL with much smaller buffer pool size and we got it…
Post: What is innodb_support_xa?
March 2, 2011 By 3 Comments
… crash recovery, and the second is important for replication. However, it is not as simple as “if you want higher performance, disable innodb… flushes and get better InnoDB performance. Having innodb_support_xa enabled on a replication master—or on any MySQL server where binary logging…
Post: Innodb crash recovery update
May 22, 2007 By 3 Comments
… worry. If it is global bug it should have been Innodb recovery show stopper while it goes back so many releases (5… similar to make sure MySQL is isolated from all scripts which may bother it for the time of recovery. For complex systems it may be very hard to ensure no one touches MySQL using other ways.
Post: Recovering Innodb table Corruption
July 4, 2008 By 19 Comments
…://bugs.mysql.com. InnoDB: If you get repeated assertion failures or crashes, even If you get such assertion failures most likely higher innodb_force_recovery… recovery after MySQL crashes to make sure indexes are not corrupted. So we looked at how to get your data back from simple Innodb…
Post: Bug#12704861
November 20, 2011 By 1 Comment
… is fixed in MySQL 5.1.60. I’ll repeat here the full documentation from the release notes: “InnoDB Storage Engine: Data… extended and you crash at exactly the right time you can end up with a situation where crash recovery will itself crash. The last… for those of us who are into InnoDB internals: The fix of Bug#12612184 broke crash recovery. When a record that contains off…
