Re: Autoanalyze and OldestXmin - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Autoanalyze and OldestXmin
Date
Msg-id 24026.1307631594@sss.pgh.pa.us
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In response to Re: Autoanalyze and OldestXmin  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: Autoanalyze and OldestXmin
List pgsql-hackers
Robert Haas <robertmhaas@gmail.com> writes:
> 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
scalefactor 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.

I wonder what vacuum cost delay settings are in use ...
        regards, tom lane


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