From: Tom Lane <tgl@sss.pgh.pa.us>
To: Kim <kim@myemma.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Dump performance problems following server crash
Date: Sat, 02 Dec 2006 12:13:52 -0500
Message-ID: <21380.1165079632@sss.pgh.pa.us> (raw)
In-Reply-To: <4571A0BC.8020503@myemma.com>
References: <4571A0BC.8020503@myemma.com>
Kim <kim@myemma.com> writes:
> The current dump query running:
> SELECT t.tableoid, t.oid, t.relname as indexname,
> pg_catalog.pg_get_indexdef(i.indexrelid) as indexdef, t.relnatts as
> indnkeys, i.indkey, i.indisclustered, c.contype, c.conname, c.tableoid
> as contableoid, c.oid as conoid, (SELECT spcname FROM
> pg_catalog.pg_tablespace s WHERE s.oid = t.reltablespace) as tablespace
> FROM pg_catalog.pg_index i JOIN pg_catalog.pg_class t ON (t.oid =
> i.indexrelid) LEFT JOIN pg_catalog.pg_depend d ON (d.classid =
> t.tableoid AND d.objid = t.oid AND d.deptype = 'i') LEFT JOIN
> pg_catalog.pg_constraint c ON (d.refclassid = c.tableoid AND d.refobjid
> = c.oid) WHERE i.indrelid = '44240'::pg_catalog.oid ORDER BY indexname
> Amount of time it took me to run the query from console: ~5secs (I'm
> counting in my head, sophisticated, eh?)
Even 5 seconds is way too long. You've apparently still got something
corrupted somewhere. Did you reindex *all* the system catalogs?
regards, tom lane
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To: pgsql-performance@postgresql.org
Cc: tgl@sss.pgh.pa.us, kim@myemma.com
Subject: Re: Dump performance problems following server crash
In-Reply-To: <21380.1165079632@sss.pgh.pa.us>
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