…_TIMEOUT=.*/CMAN_QUORUM_TIMEOUT=0/g” /etc/sysconfig/cman [root@percona2 ~]# sed -i.sed “s/.*CMAN_QUORUM_TIMEOUT=.*/CMAN_QUORUM_TIMEOUT…Loading kernel modules… [ OK ] Mounting configfs… [ OK ] Starting cman… [ OK ] Waiting for quorum… [ OK ] Starting fenced… [ OK ] Starting dlm_controld… …
Comment: Implications of Metadata Locking Changes in MySQL 5.5
March 27, 2013 By 9 Comments
… ALTER in your test case is waiting on InnoDB row locks by setting innodb_lock_wait_timeout to 1 and then issuing the…; — session 2 set innodb_lock_wait_timeout=1; alter table t1 engine=innodb; And the alter will timeout after approximately a second with the following error: ERROR 1205 (HY000): Lock wait timeout exceeded; try restarting transaction
Post: MySQL 5.6 Compatible Percona Toolkit 2.2 Released
March 25, 2013 By 2 Comments
… tries and wait time between tries for all operations are configurable. Also, we removed –lock-wait-timeout which set innodb_lock_wait_timeout because that now conflicts, or is at least confused with, lock_wait_timeout (introduced in MySQL…
Post: Percona XtraBackup 2.1.2 for MySQL available for download
May 18, 2013 By 4 Comments
… in such a case. Bug fixed #1180662. Low values for wait_timeout on the server could cause server to close the connection… the bigger value for wait_timeout option on the server to prevent server from closing connections if the global wait_timeout value is set…
Post: Virident vCache vs. FlashCache: Part 2
May 17, 2013 By 3 Comments
… demonstrate, the no-cache system is being crushed by IO wait. FlashCache and vCache both show improvements, but it’s not…_fast_shutdown = 1 #not innodb options (fixed) back_log = 50 wait_timeout = 120 max_connections = 5000 max_prepared_stmt_count=500000 max…
Post: MySQL 5.5 lock_wait_timeout: patience is a virtue, and a locked server
February 28, 2013 By 5 Comments
… something about lock_wait_timeout that shocked me. From the MySQL 5.5 docs for lock_wait_timeout: This variable specifies the timeout in seconds… innodb_lock_wait_timeout, by comparison, is 50 seconds. That’s reasonable, but 31536000 is not. I would only set a timeout, or… specifies the timeout in seconds for attempts to acquire metadata locks,” then why isn’t it called metadata_lock_wait_timeout? In conclusion…
Post: MySQL net_write_timeout vs wait_timeout and protocol notes
July 8, 2007 By 1 Comment
… of different timeout variables at different stages. For example when connection is just being established connect_timeout is used. When server waits for another query to be sent to it wait_timeout (or interactive_timeout for applications which…
Post: Ultimate MySQL variable and status reference list
January 8, 2011 By 4 Comments
….commanual licenseblogpercona.commanual local_infileblogpercona.commanual local_infileblogpercona.commanual lock_wait_timeoutblogpercona.commanual locked_in_memoryblogpercona.commanual logblogpercona.commanual log_binblogpercona…_semi_sync_master_wait_no_slaveblogpercona.commanual Rpl_semi_sync_master_wait_pos_backtraverseblogpercona.commanual Rpl_semi_sync_master_wait_sessionsblogpercona.commanual Rpl…
Post: Test Drive of Solid
September 22, 2006 By 5 Comments
… complicated lock graphs or rely on timeout for deadlock resolution. For workloads with frequent row waits this however would result in increased… expect deadlock here – but not – just waiting… In 30 sec Session1: ERROR 1205 (HY000): Lock wait timeout exceeded; try restarting transaction So as… giving error to the user you’re forced to wait. Setting lock wait timeout to some small value is not optimal solution ether…
Comment: InnoDB's gap locks
May 7, 2012 By 15 Comments
… wait timeout exceeded; try restarting transaction root@localhost:test 14:38:03>insert into t values(23); ERROR 1205 (HY000): Lock wait timeout exceeded; try restarting transaction root@localhost:test 14:44:37>insert into t values(31); ERROR 1205 (HY000): Lock wait timeout exceeded…
