From: Robert Voinea <rvoinea@gmail.com>
To: bricklen <bricklen@gmail.com>
Cc: pgsql-admin@postgresql.org <pgsql-admin@postgresql.org>
Subject: Re: Occasional spike in query response time (jumps from 200ms to 45 seconds)
Date: Fri, 08 Nov 2013 15:25:40 +0200
Message-ID: <1609445.bRHEtEVPHv@shu> (raw)
In-Reply-To: <CAGrpgQ-4Ozw8_7DF3sLMkqqnxNU+Wsqg6sZ4w20cZd0WAkyL1A@mail.gmail.com>
References: <16690513.cUljA3p6su@shu>
<CAGrpgQ-4Ozw8_7DF3sLMkqqnxNU+Wsqg6sZ4w20cZd0WAkyL1A@mail.gmail.com>
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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@gmail.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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To: pgsql-admin@postgresql.org
Cc: rvoinea@gmail.com, bricklen@gmail.com
Subject: Re: Occasional spike in query response time (jumps from 200ms to 45 seconds)
In-Reply-To: <1609445.bRHEtEVPHv@shu>
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