Re: UPDATE becomes mired / win32

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Steve Peterson
Тема
Re: UPDATE becomes mired / win32
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6.2.3.4.0.20061005000508.04bb03d8@localhost
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UPDATE becomes mired / win32 Steve Peterson <stevep-hv@zpfe.com>
Re: UPDATE becomes mired / win32 Tom Lane <tgl@sss.pgh.pa.us>
Re: UPDATE becomes mired / win32 Steve Peterson <stevep-hv@zpfe.com>
I'm pretty sure that the table was empty before doing the load, but I 
gave this a shot.  It didn't have an impact on the results.

The behavior also persists across a dump/reload of the table into a 
new install on a different machine.  IIRC dump/reload rebuilds 
indexes from scratch.

Steve

At 01:13 PM 10/4/2006, me@alternize.com wrote:
>>The table, VOTER, contains 3,090,013 rows and each row is about 120 
>>bytes wide.  It's loaded via a batch process in one shot, and the 
>>load is followed by an VACUUM FULL ANALYZE.  Its structure is shown 
>>at the bottom of the message.
>
>
>if the table wasn't empty before and has indices defined, try a 
>"REINDEX TABLE VOTER" before running the update. i had a similar 
>case where an often updated table was vacuumed regurarly, but the 
>indices grew and grew and grew.  in my case the table - even when 
>empty and analyze full'ed was 1.2gb according to pgadmin due to 
>(outdated) indices. a reindex fixed all my performance issues.
>
>- thomas
>


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