Re[2]: Perfomance decreasing

From: Alexander Loginov <sas(at)mplik(dot)ru>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re[2]: Perfomance decreasing
Date: 2001-08-16 19:41:03
Message-ID: 1794778431.20010817014103@mplik.ru
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Hello,

>>> I'm doing vacuum periodically (once a hour), but perfomance
>>> still falls down.

TL> It sounds to me like you may be running into index growth problems.
TL> VACUUM is presently not good about shrinking indexes. If you drop
TL> and recreate the indexes used by your most important queries, does
TL> the performance go back to where it was?

Thanks for solution. After REINDEX command for most significant
tables, perfomance was restored. I will do this procedure every
two days.

I have only one small question. Can I do REINDEX during inserting
of information into tables. Or I must block somehow updating of
tables.

Best regards,
Alexander Loginov mailto:sas(at)mplik(dot)ru

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