On 02/21/2017 01:44 PM, Patrick B wrote: > Hi guys, > > I've got a lot of bloat indexes on my 4TB database. > > Let's take this example: > > Table: seg > Index: ix_filter_by_tree > Times_used: 1018082183 > Table_size: 18 GB -- wrong. The table is mostly on pg_toast table. > Its real size is 2TB
How do you know one number is right and the other is wrong? Have you looked at the functions here?: https://www.postgresql.org/docs/9.6/static/functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT > Index_size: 17 GB > Num_writes 16245023 > Index definition: CREATE INDEX ix_filter_by_tree ON seg USING btree > (full_path varchar_pattern_ops) WHERE (full_path IS NOT NULL) > > > > What is the real impact of a bloat index? If I reindex it, queries will > be faster? > > Thanks > Patrick -- Adrian Klaver adrian.kla...@aklaver.com -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
