Horton

Re: Autoanalyze and OldestXmin

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Pavan Deolasee <pavan.deolasee@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Greg Stark <stark@mit.edu>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2011-06-09T14:58:30Z
Lists: pgsql-hackers 
On Thu, Jun 9, 2011 at 10:52 AM, Pavan Deolasee
<pavan.deolasee@gmail.com> wrote:
>> I am wondering if we shouldn't be asking ourselves a different
>> question: why is ANALYZE running long enough on your tables for this
>> to become an issue?  How long is it taking?
>
> The log file attached in the first post has the details; it's taking around 5 mins for the accounts table with 50 scale factor and 50 clients

Wow, that's slow.  Still, what if the user were doing a transaction of
comparable size?  It's not like ANALYZE is doing a gigantic amount of
work.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
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