Re: Occasional spike in query response time (jumps from 200ms to 45 seconds)

From: Robert Voinea <rvoinea(at)gmail(dot)com>
To: bricklen <bricklen(at)gmail(dot)com>
Cc: "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org>
Subject: Re: Occasional spike in query response time (jumps from 200ms to 45 seconds)
Date: 2013-11-08 13:25:40
Message-ID: 1609445.bRHEtEVPHv@shu
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Hi

On Thursday 07 November 2013 06:37:57 bricklen wrote:
> On Thu, Nov 7, 2013 at 2:44 AM, Robert Voinea <rvoinea(at)gmail(dot)com> wrote:
> > Could you give me some hints on what to look for?
> > What might be causing this behavior?
>
> Possibly checkpointing is the problem? Is "log_checkpoints" enabled in your
> postgresql.conf? What is "checkpoint_completion_target" set to?

The parameters are commented out, so they are at their default values.

Thank you for replying.
I'll investigate this further to see if this is the problem.

--
Robert Voinea
Software Engineer
+4 0740 467 262

Don't take life too seriously. You'll never get out of it alive.
(Elbert Hubbard)

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