On Wed, Sep 21, 2011 at 11:57 AM, Greg Smith <greg@2ndquadrant.com> wrote:
> On 09/21/2011 12:13 PM, Venkat Balaji wrote:
>>
>> I as a DBA, suggested to perform VACUUM FULL and RE-INDEXING + ANALYZE to
>> ensure that IO performance and Indexing performance would be good
>
>
> Read http://wiki.postgresql.org/wiki/VACUUM_FULL before you run VACUUM FULL.
> You probably don't want to do that. A multi-gigabyte table can easily be
> unavailable for several hours if you execute VACUUM FULL against it.
> CLUSTER is almost always faster.
It used to be that cluster on a very randomly ordered table was much
slower than doing something like select * into newtable from oldtable
order by col1, col2; Is that still the case in 9.0/9.1?
