Thank you Tom. We will be upgrading soon. Regards, Granthana
On Mon, Mar 24, 2014 at 7:28 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: > Granthana Biswas <granth...@zedo.com> writes: > > Version is PostgreSQL 9.1.4. > > You do realize you're missing almost two years' worth of bug fixes? > The current release in that branch is 9.1.13, and a quick look through > the git history shows quite a number of replication-related fixes. > > One that seems particularly notable in this connection is: > > commit 16222f32ed56d3ebc4136133662d932299188955 > Author: Simon Riggs <si...@2ndquadrant.com> > Date: Thu Jun 7 19:24:47 2012 +0100 > > Wake WALSender to reduce data loss at failover for async commit. > WALSender now woken up after each background flush by WALwriter, > avoiding > multi-second replication delay for an all-async commit workload. > Replication delay reduced from 7s with default settings to 200ms, > allowing > significantly reduced data loss at failover. > > Andres Freund and Simon Riggs > > You wouldn't happen to be running with synchronous_commit off, would you? > > Whether this is the explanation for your problem or not, it's really > irresponsible to still be running 9.1.4 at this point. There are several > known data-loss-inducing bugs in it that will eat your data sooner or > later. > > regards, tom lane >
