| From: | Rob Audenaerde <Rob(dot)Audenaerde(at)Valuecare(dot)nl> |
|---|---|
| To: | Guillaume Lelarge <guillaume(at)lelarge(dot)info> |
| Cc: | "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org> |
| Subject: | Re: database size much bigger than tablespaces on filesystem |
| Date: | 2011-09-14 15:21:33 |
| Message-ID: | 1D020918205F334CBDD5CE7DF2038A2E15A581245A@IE2RD2XVS271.red002.local |
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| Lists: | pgsql-admin |
>On Wed, 2011-09-14 at 04:03 -0700, Rob Audenaerde wrote:
>> I have a Postgresql 8.3 instance with tablespaces totalling on about 74G. This is fine.
>>
>> But if I ask Postgresql how big my database is, I get a (unexpected) large answer: 595 GB.
>>
>> This seems very strange. Disk I/O tests on the system are in the 'normal' range, but queries are slower than they used to be.
>>
>> Is this corruption of the database? Or are there ways to 'fix' this oddity?
>>
>> Btw:
>>
>> I check the tablespace size by the os:
>>
>> /usr/local/pgsql/data/tblspaces/du -c -h
>> 74G total
>>
>> All tablespaces are there. I check this by the \db command in pgsql
>>
>> I check te database size like this:
>>
>> select pg_size_pretty(pg_database_size('database'))
>> 595 GB
> You should also check the space held in $PGDATA/base.
I did. It is only 320 MB.
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