Re: Periodic bottle-neck in high load app

From: KÖPFERL Robert <robert(dot)koepferl(at)sonorys(dot)at>
To:
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: Periodic bottle-neck in high load app
Date: 2005-06-23 13:04:29
Message-ID: ED4E30DD9C43D5118DFB00508BBBA76EB16793@neptun.sonorys.at
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Yeah, that was it, thank you.

However this doesn't solve our problem.
I've already set checkpoints to occour every 1 wal file. This seems to be
slightly better, but the overhead is also increased.
What's usually better ? checkpoint more often or more seldom, even 1/day ???

|-----Original Message-----
|From: Joshua D. Drake [mailto:jd(at)commandprompt(dot)com]
|Sent: Mittwoch, 22. Juni 2005 19:13
|To: KÖPFERL Robert
|Cc: pgsql-admin(at)postgresql(dot)org
|Subject: Re: [ADMIN] Periodic bottle-neck in high load app
|
|
|
|> SO: Is there some periodic scheduled activity, postgres does
|lets say every
|> 5 min ? (that can pond up many many statements)
|> What else could do that? Currently all periodic activities
|are paused.
|
|Sounds like checkpoint.
|
|http://www.postgresql.org/docs/8.0/interactive/sql-checkpoint.html
|
|Sincerely,
|
|Joshua D. Drake
|
|
|>
|>
|> Tanks in advance
|>
|> PS. new harddisks are coming
|>
|> ---------------------------(end of
|broadcast)---------------------------
|> TIP 7: don't forget to increase your free space map settings
|
|
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