Re: database size much bigger than tablespaces on filesystem

>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
usedto 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.