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Re: [BUG] Checkpointer on hot standby runs without looking checkpoint_segments

From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
To: Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: [BUG] Checkpointer on hot standby runs without looking checkpoint_segments
Date: 2012-04-16 12:14:09
Message-ID: CA+U5nMJqQsdcU_Uavyz3c323fRN-vPu1WnUiLDsvMc4CR3b1Fw@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackers
On Mon, Apr 16, 2012 at 1:05 PM, Kyotaro HORIGUCHI
<horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> wrote:

> Hello, this is bug report and a patch for it.
>
> The first patch in the attachments is for 9.2dev and next one is
> for 9.1.3.
>
> On the current 9.2dev, IsCheckpointOnSchedule(at)checkpointer(dot)c does
> not check against WAL segments written. This makes checkpointer
> always run at the speed according to checkpoint_timeout
> regardless of WAL advancing rate.

Thanks, I'll take a look.

-- 
 Simon Riggs                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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Subject: [BUG] Checkpointer on hot standby runs without looking checkpoint_segments

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