Re: REINDEX not working for wastedspace

Yes I ANALYZE the table, but no change for wastedispace.

On Wed, Sep 21, 2011 at 1:06 PM, Guillaume Lelarge
<guillaume(at)lelarge(dot)info>wrote:

> On Wed, 2011-09-21 at 13:01 +0600, AI Rumman wrote:
> > I am using Postgresql 9.0.1.
> >
> > Using the query http://wiki.postgresql.org/wiki/Show_database_bloat, I
> got
> > the following result for a table:
> >
> > -[ RECORD 1 ]----+-----------------------------------------------
> > current_database | crm
> > schemaname | public
> > tablename | _attachments
> > tbloat | 0.9
> > wastedbytes | 0
> > iname | attachments_description_type_attachmentsid_idx
> > ibloat | 2.3
> > wastedibytes | 5439488
> > -[ RECORD 2 ]----+-----------------------------------------------
> > current_database | crm
> > schemaname | public
> > tablename | _attachments
> > tbloat | 0.9
> > wastedbytes | 0
> > iname | attachments_attachmentsid_idx
> > ibloat | 0.2
> > wastedibytes | 0
> > -[ RECORD 3 ]----+-----------------------------------------------
> > current_database | crm
> > schemaname | public
> > tablename | _attachments
> > tbloat | 0.9
> > wastedbytes | 0
> > iname | _attachments_pkey
> > ibloat | 0.2
> > wastedibytes | 0
> >
> > I REINDEXED both the indexes and table, but I did not find any change in
> > wastedspace or wastedispace.
> > Could you please tell me why?
>
> REINDEX only rebuilds indexes. And you'll obviously have a bit of "lost
> space" because of the FILLFACTOR value (90% on indexes IIRC).
>
>
> --
> Guillaume
> http://blog.guillaume.lelarge.info
> http://www.dalibo.com
>
>