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group commit 2+ messages / 2 participants [nested] [flat]
* group commit @ 2014-06-04 18:44 Evgeny Shishkin <itparanoia@gmail.com> 2014-06-04 19:37 ` Re: group commit David G Johnston <david.g.johnston@gmail.com> 0 siblings, 1 reply; 2+ messages in thread From: Evgeny Shishkin @ 2014-06-04 18:44 UTC (permalink / raw) To: pgsql-performance Hi, i just wanted to know if group commit (as described in https://wiki.postgresql.org/wiki/Group_commit ) was committed. And if parallel replication is going to be introduced. Mysql 5.7 going to have intra-database parallel slave based on group commit on master. ^ permalink raw reply [nested|flat] 2+ messages in thread
* Re: group commit 2014-06-04 18:44 group commit Evgeny Shishkin <itparanoia@gmail.com> @ 2014-06-04 19:37 ` David G Johnston <david.g.johnston@gmail.com> 0 siblings, 0 replies; 2+ messages in thread From: David G Johnston @ 2014-06-04 19:37 UTC (permalink / raw) To: pgsql-performance Evgeniy Shishkin wrote > Hi, > > i just wanted to know if group commit (as described in > https://wiki.postgresql.org/wiki/Group_commit ) was committed. I guess that depends on whether this comment in the 9.2 release notes covers the same material described in the linked wiki page (I would presume it does). http://www.postgresql.org/docs/9.2/interactive/release-9-2.html Section: E.9.3.1.1. Performance > Allow group commit to work effectively under heavy load (Peter Geoghegan, > Simon Riggs, Heikki Linnakangas) > > Previously, batching of commits became ineffective as the write workload > increased, because of internal lock contention. Though based upon your question regarding parallel replication I am thinking that maybe your concept of "group commit" and the one that was implemented are quite different... David J. -- View this message in context: http://postgresql.1045698.n5.nabble.com/group-commit-tp5806056p5806064.html Sent from the PostgreSQL - performance mailing list archive at Nabble.com. -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance ^ permalink raw reply [nested|flat] 2+ messages in thread
end of thread, other threads:[~2014-06-04 19:37 UTC | newest] Thread overview: 2+ messages (download: mbox mbox.gz follow: Atom feed) -- links below jump to the message on this page -- 2014-06-04 18:44 group commit Evgeny Shishkin <itparanoia@gmail.com> 2014-06-04 19:37 ` David G Johnston <david.g.johnston@gmail.com>
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