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Re: Hot standby having high requested checkpoints? - Mailing list pgsql-admin

From Brian Fehrle
Subject Re: Hot standby having high requested checkpoints?
Date
Msg-id 4F4E40E5.9040006@consistentstate.com
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In response to Re: Hot standby having high requested checkpoints?  (Fujii Masao <masao.fujii@gmail.com>)
Responses Re: Hot standby having high requested checkpoints?  (Fujii Masao <masao.fujii@gmail.com>)
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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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