Re: vacuum full fills up disk - solved

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От Moritz Lennert
Тема Re: vacuum full fills up disk - solved
Дата
Msg-id 83cc50c0f6898eefdba78a1eccc1e29b
обсуждение исходный текст
Ответ на Re: vacuum full fills up disk  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-general
Moritz Lennert said:

>> "Moritz Lennert" <mlennert@club.worldonline.be> writes:
>>> I have a table with about 10 million tuples of which you can find the
>>> definition below. I just did an update which filled in the ss_trav_tot
>>> field for every tuple. Since the database will be read only (no
>>> updates),
>>> I decided to reclaim disk space by running a vacuum full. However, the
>>> process is slowly but surely filling up my disk. Does vacuum full make
>>> a
>>> copy of the data, or why is this happening ?
>>
>> It has to temporarily make duplicate index entries for each row it
>> moves.
>>
>> You might consider dropping the indexes, vacuum full, rebuild indexes.
>
> Thanks, I'll try that.
>

That did the trick: I'm down to 25% disk usage from 75% before !

Thanks for the hint,

Moritz

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