Horton

Re: wal_buffers, redux

Robert Haas <robertmhaas@gmail.com>

View thread
From: Robert Haas <robertmhaas@gmail.com>
To: Jeff Janes <jeff.janes@gmail.com>
Cc: Fujii Masao <masao.fujii@gmail.com>, pgsql-hackers@postgresql.org
Date: 2012-03-14T20:53:58Z
Lists: pgsql-hackers 
On Wed, Mar 14, 2012 at 3:29 PM, Jeff Janes <jeff.janes@gmail.com> wrote:
> I think my analysis is pretty much a re-wording of yours, but I'd
> emphasize that getting the WALWriteLock is bad not just because they
> fight over the lock, but because someone else (probably background wal
> writer) is camping out on the lock while doing an fsync.

Yeah, good point.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company