Excerpts from Robert Haas's message of mar jun 19 17:39:46 -0400 2012: > On Tue, Jun 19, 2012 at 5:33 PM, Greg Smith <g...@2ndquadrant.com> wrote: > > In January of 2011 Robert committed 7f242d880b5b5d9642675517466d31373961cf98 > > to try and compact the fsync queue when clients find it full. There's no > > visible behavior change, just a substantial performance boost possible in > > the rare but extremely bad situations where the background writer stops > > doing fsync absorption. I've been running that in production at multiple > > locations since practically the day it hit this mailing list, with backports > > all the way to 8.3 being common (and straightforward to construct). I've > > never seen a hint of a problem with this new code. > > I've been in favor of back-porting this for a while, so you'll get no > argument from me.
+1. I even thought we had already backported it and was surprised to discover we hadn't, when we had this problem at a customer, not long ago. -- Álvaro Herrera <alvhe...@commandprompt.com> The PostgreSQL Company - Command Prompt, Inc. PostgreSQL Replication, Consulting, Custom Development, 24x7 support -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers