… 6087296438643. InnoDB: Your database may be corrupt or you may have copied the InnoDB InnoDB: tablespace but not the InnoDB log files. See InnoDB: http://dev.mysql.com/doc/refman/5.5/en/forcing-innodb-recovery.html InnoDB: for…
Post: Recovering Innodb table Corruption
July 4, 2008 By 19 Comments
… even with innodb_force_recovery=1 080704 0:22:53 InnoDB: Assertion failure in thread 1158060352 in file btr/btr0btr.c line 3235 InnoDB: Failing… use higher innodb_force_recovery modes to block purging activity, insert buffer merge or recovery from transactional logs all together. Though the lower recovery mode…
Post: Magic Innodb Recovery self healing
May 22, 2007 By 2 Comments
… recovery with innodb_force_recovery=4. So I decided to check if I’m to get lucky second time today. And Indeed Restarting Innodb with innodb_force_recovery… Innodb recovery for bad corruptions you may want to: – Start with lower innodb_force_recovery settings and see which one allows you to start. – After recovery…
Post: Innodb Recovery Update - The tricks what failed.
May 24, 2007 By 3 Comments
… avoid dumping the data and find some other way to recovery. Examining Innodb page content and crash information we figured out it… buffer. I think it would be nice for Innodb to have some additional recovery options for example for skipping over insert buffer… tables with innodb_force_recovery=4 was confirmed to be added in 5.0.33, meaning you could not really recover corrupted Innodb tables…
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… was having an effect on the test tables between crash/recovery/validate cycles. To examine this for yourself during a run… all tests: ./kewpie.py –suite=innodbCrash –basedir=/path/to/basedir –force –randgen-seed=time –repeat=3 gets us: 20111221-142820 TEST…
Post: Innodb Recovery - Is large buffer pool always better ?
July 17, 2007 By 3 Comments
… 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… the flush list – keeping simple sorted linked list, so being forced to scan good portion of it finding place to insert…
Comment: Recovering Innodb table Corruption
July 4, 2008 By 19 Comments
… that prevents innodb_force_recovery from working right. This bit me a couple weeks ago recovering data for a client: I set innodb_force_recovery=4 and suddenly all tables had 0 rows. More info: http://www.mysqlperformanceblog.com/2007/05/24/innodb-recovery-update-the…
Comment: What's the recommended MySQL version?
February 8, 2012 By 24 Comments
…’t believe I had any InnoDB tables. After upgrading, I can’t start MySQL 5.5 without innodb_force_recovery set. If I try to start without it, there are 100 retries of the error: 120208 13:40:35 InnoDB… got the server back up, but it still requires the innodb_force_recovery to start. Any suggestions would be greatly appreciated. Thanks again…
Post: How InnoDB handles REDO logging
February 3, 2011 By 18 Comments
… media recovery we will not know if that action has previously been executed as we will start recovery from the last checkpoint.InnoDB… hardware will affect the speed at which InnoDB can log. You can request that InnoDB force its REDO records to the transaction log… by enabling the innodb_recovery_stats option in Percona Server, which allows you to see the progress made during recovery. How does this…
Post: Ultimate MySQL variable and status reference list
January 8, 2011 By 4 Comments
…innodb_flush_methodblogpercona.commanual innodb_force_recoveryblogpercona.commanual Innodb_have_atomic_builtinsblogpercona.commanual innodb_io_capacityblogpercona.commanual innodb_lock_wait_timeoutblogpercona.commanual innodb…_userblogpercona.commanual rpl_recovery_rankblogpercona.commanual Rpl_…
