Re: RESOLVED: Re: Wierd context-switching issue on Xeon
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Dirk Lutzebäck <lutzeb@aeccom.com>
Cc: josh@agliodbs.com, pgsql-performance@postgresql.org, Sven Geisler <sgeisler@aeccom.com>
Date: 2004-04-16T13:49:38Z
Lists: pgsql-performance
=?ISO-8859-1?Q?Dirk_Lutzeb=E4ck?= <lutzeb@aeccom.com> writes: > This was the key to look at: we were missing all indices on table which > is used heavily and does lots of locking. After recreating the missing > indices the production system performed normal. No, more excessive > semop() calls, load way below 1.0, CS over 20.000 very rare, more in > thousands realm and less. Hmm ... that's darn interesting. AFAICT the test case I am looking at for Josh's client has no such SQL-level problem ... but I will go back and double check ... regards, tom lane