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Re: Inserts or Updates

From: Ofer Israeli <oferi(at)checkpoint(dot)com>
To: Claudio Freire <klaussfreire(at)gmail(dot)com>, "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Inserts or Updates
Date: 2012-02-07 17:43:19
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Lists: pgsql-performance
Hi Claudio,

You mean running a VACUUM statement manually?  I would basically try to avoid such a situation as the way I see it, the database should be configured in such a manner that it will be able to handle the load at any given moment and so I wouldn't want to manually intervene here.  If you think differently, I'll be happy to stand corrected.


-----Original Message-----
From: pgsql-performance-owner(at)postgresql(dot)org [mailto:pgsql-performance-owner(at)postgresql(dot)org] On Behalf Of Claudio Freire
Sent: Tuesday, February 07, 2012 7:31 PM
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: [PERFORM] Inserts or Updates

On Tue, Feb 7, 2012 at 2:27 PM, Ofer Israeli <oferi(at)checkpoint(dot)com> wrote:
> Thanks Kevin for the ideas.  Now that you have corrected our misconception regarding the autovacuum not handling index bloating, we are looking into running autovacuum frequently enough to make sure we don't have significant increase in table size or index size.  We intend to keep our transactions short enough not to reach the situation where vacuum full or CLUSTER is needed.

Also, rather than going overboard with autovacuum settings, do make it
more aggressive, but also set up a regular, manual vacuum of either
the whole database or whatever tables you need to vacuum at
known-low-load hours.

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