pg.ddx.io  pgsql-performance@postgresql.org mailing list archive  
help / color / mirror / Atom feed
From: Laszlo Nagy <gandalf@shopzeus.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Gregory Williamson <Gregory.Williamson@digitalglobe.com>
Cc: pgsql-performance@postgresql.org <pgsql-performance@postgresql.org>
Cc: Daniel Fekete <danieleff@gmail.com>
Subject: Re: Slow table update
Date: Mon, 29 Dec 2008 10:43:42 +0100
Message-ID: <49589BCE.5080201@shopzeus.com> (raw)
In-Reply-To: <7032.1229952622@sss.pgh.pa.us>
References: <494F749A.5090603@shopzeus.com>
	<494F7B48.6070204@shopzeus.com>
	<8B319E5A30FF4A48BE7EEAAF609DB233021F389A@COMAIL01.digitalglobe.com>
	<494F8DFC.1000001@shopzeus.com>
	<7032.1229952622@sss.pgh.pa.us>


>> My other idea was that there are so many indexes on this table, maybe 
>> the update is slow because of the indexes?
>>     
>
> Updating indexes is certainly very far from being free.  How many is
> "many"?
>   
Number of indexes = 15.

3 indexex are on "text" type column, 500MB in size each.
Other are on int8 and timestamp columns, cca. 200MB each.





view thread (9+ messages)  latest in thread

Message-ID: <49589BCE.5080201@shopzeus.com>
Permalink:  ../49589BCE.5080201@shopzeus.com/
Also on:    postgresql.org/message-id/49589BCE.5080201@shopzeus.com

 · 

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-performance@postgresql.org
  Cc: gandalf@shopzeus.com, tgl@sss.pgh.pa.us, Gregory.Williamson@digitalglobe.com, danieleff@gmail.com
  Subject: Re: Slow table update
  In-Reply-To: <49589BCE.5080201@shopzeus.com>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox