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

From: bricklen <bricklen(at)gmail(dot)com>
To: Robert Voinea <rvoinea(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: 2013-11-07 14:37:57
Message-ID: CAGrpgQ-4Ozw8_7DF3sLMkqqnxNU+Wsqg6sZ4w20cZd0WAkyL1A@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-admin

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?

In response to

Responses

Browse pgsql-admin by date

  From Date Subject
Next Message Kevin Grittner 2013-11-07 14:40:00 Re: Occasional spike in query response time (jumps from 200ms to 45 seconds)
Previous Message Robert Voinea 2013-11-07 10:44:59 Occasional spike in query response time (jumps from 200ms to 45 seconds)