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Indexes growing continuously

From: Daniele Orlandi <daniele(at)orlandi(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Indexes growing continuously
Date: 2000-04-04 16:54:19
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers

I'm running PostgreSQL 6.5.3 on Linux-2.2.12 on a 2-way SMP machine.
I noticed that even after VACUUMing there are some indexes that still
remain very big.

For example, here's what I found for pg_attribute:

-rw-------   1 postgres postgres   122880 Apr  4 15:24 pg_attribute
-rw-------   1 postgres postgres 17055744 Apr  4 15:24
-rw-------   1 postgres postgres 50176000 Apr  4 15:24
-rw-------   1 postgres postgres 20758528 Apr  4 15:24

I know I can fix this by recreating the indexes, but I don't know how to
do it for a system table and if it's safe.

Any hints ?




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