Re: no universally correct setting for fsync
Craig Ringer <craig@postnewspapers.com.au>
From: Craig Ringer <craig@postnewspapers.com.au>
To: Josh Berkus <josh@agliodbs.com>
Cc: pgsql-hackers@postgresql.org
Date: 2010-05-08T08:07:01Z
Lists: pgsql-hackers
On 8/05/2010 1:56 AM, Josh Berkus wrote: > >> I never meant to suggest any statement in that section is factually >> wrong; it's just all too rosy, leading people to believe it's no big >> deal to turn it off. > > Yeah, that section is overdue for an update. I'll write some new text > and post it to pgsql-docs. It's probably worth mentioning that people who want to turn off fsync to gain a performance boost should instead look at a RAID controller with a BBU so they can safely enable write-back caching, getting most of the benefits of fsync=off safely. -- Craig Ringer