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Re: Is there any impact if "#wal_keep_segments = 0 " and"checkpoint_segments = 128" postgresql.conf file. - Mailing list pgsql-general

From Laurenz Albe
Subject Re: Is there any impact if "#wal_keep_segments = 0 " and"checkpoint_segments = 128" postgresql.conf file.
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Msg-id 2e2ea4412f3067e69be85758f6f624be33fd1362.camel@cybertec.at
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In response to Is there any impact if "#wal_keep_segments = 0 " and"checkpoint_segments = 128" postgresql.conf file.  (Raghavendra Rao J S V <raghavendrajsv@gmail.com>)
Responses Re: Is there any impact if "#wal_keep_segments = 0 " and"checkpoint_segments = 128" postgresql.conf file.  ("Jehan-Guillaume (ioguix) de Rorthais" <ioguix@free.fr>)
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Raghavendra Rao J S V wrote:
> Is there any impact if  "#wal_keep_segments = 0 " and "checkpoint_segments = 128"
> postgresql.conf file. If yes,what is the imapct?

Yes.
- You will have fewer checkpoints requested by data modification activity.
- Crash recovery might take longer.

Yours,
Laurenz Albe
-- 
Cybertec | https://www.cybertec-postgresql.com

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