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 -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
