Re: UPDATE becomes mired / win32
От | Steve Peterson |
---|---|
Тема | Re: UPDATE becomes mired / win32 |
Дата | |
Msg-id | 6.2.3.4.0.20061005000508.04bb03d8@localhost обсуждение исходный текст |
Ответ на | Re: UPDATE becomes mired / win32 (<me@alternize.com>) |
Ответы |
Re: UPDATE becomes mired / win32
|
Список | pgsql-performance |
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(outdated) indices.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 >
В списке pgsql-performance по дате отправления: