Re: tsearch2 and gist index bloat - Mailing list pgsql-general

From Joshua D. Drake
Subject Re: tsearch2 and gist index bloat
Date
Msg-id 3FA9A177.5070001@commandprompt.com
Whole thread Raw
In response to Re: tsearch2 and gist index bloat  (George Essig <george_essig@yahoo.com>)
Responses Re: tsearch2 and gist index bloat  (George Essig <george_essig@yahoo.com>)
List pgsql-general
Hello,

    I don't know if you can do this with a gist index but try using the
REINDEX command.

J


George Essig wrote:

>
> --- George Essig <george_essig@yahoo.com> wrote:
>
>>I have installed tsearch2 and have noticed that the gist index used to do searches grows and
>>grows
>>as I update rows, delete rows, or run VACUUM FULL ANALYZE.  Below are some details:
>>
>
>
> ....
>
>
>>There are 110,873 rows in this table and 13398 unique words indexed by ts_in.  Using oid2name, I
>>monitored the size of the index ts_in as I performed different operations:
>>
>>154 MB After the index was created.
>>190 MB After updating 40,422 rows.
>>243 MB After VACUUM FULL
>>275 MB After deleting 40,422 rows & again VACUUM FULL
>>
>
>
> Sorry, I mis-reported the index sizes.  They are about 1/10 the size:
>
> 15 MB After the index was created.
> 19 MB After updating 40,422 rows.
> 24 MB After VACUUM FULL
> 27 MB After deleting 40,422 rows & again VACUUM FULL
>
> I still have a problem that the index size grows and grows and eventually searches slow to a
> crawl.
>
> George Essig
>
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