From: Brian Fehrle <brianf@consistentstate.com>
To: pgsql-admin@postgresql.org
Subject: Re: Hot standby having high requested checkpoints?
Date: Wed, 29 Feb 2012 08:14:45 -0700
Message-ID: <4F4E40E5.9040006@consistentstate.com> (raw)
In-Reply-To: <CAHGQGwF+g6c+eU1M9Lq-PfeEz8V525p1utyBUs8wj2xh7k=_Rw@mail.gmail.com>
References: <4F4D5AE0.9020204@consistentstate.com>
<CAHGQGwF+g6c+eU1M9Lq-PfeEz8V525p1utyBUs8wj2xh7k=_Rw@mail.gmail.com>
I am taking periodic snapshots from the system view 'pg_stat_bgwriter'
from both the master and the hot standby.
- Brian F
On 02/28/2012 09:22 PM, Fujii Masao wrote:
> On Wed, Feb 29, 2012 at 7:53 AM, Brian Fehrle
> <brianf@consistentstate.com> wrote:
>> Hi all,
>>
>> I have two PostgreSQL 9.0.5 clusters, one is a master and the other is a hot
>> standby via streaming replication. I'm monitoring some stats on each and I'm
>> noticing something very odd. On the master, I get between 2 and 4 requested
>> checkpoints per hour, but on the hot standby I'm seeing between 200 and 300
>> requested checkpoints per hour.
> How did you get that information? Enable log_checkpoints?
>
> Regards,
>
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To: pgsql-admin@postgresql.org
Cc: brianf@consistentstate.com
Subject: Re: Hot standby having high requested checkpoints?
In-Reply-To: <4F4E40E5.9040006@consistentstate.com>
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