Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Mailing Lists -> Oracle-L -> RE: dc_sequences

RE: dc_sequences

From: Anjo Kolk <anjo_at_oraperf.com>
Date: Wed, 31 Dec 2003 12:34:25 -0800
Message-ID: <F001.005DB5EE.20031231123425@fatcity.com>




Message



This is most likely a sequence that is incremented from multiple nodes. When a range runs out, a node has to allocate a new range. other nodes have to flush/invalidate their sequence number tow cache entry.
 
Anjo.
-----Original Message-----
From: ml-errors@fatcity.com [mailto:ml-errors@fatcity.com] On Behalf Of Ashish Sahasrabudhe
Sent: Monday, December 29, 2003 10:30 PM
To: Multiple recipients of list ORACLE-L
Subject: dc_sequences

In statspack report on RAC 9.2.0.2 database, under section "Dictionary Cache Stats for DB"
there are 64.3% miss for dc_sequences. What causes this?

Thanks

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Anjo Kolk
  INET: anjo_at_oraperf.com

Fat City Network Services    -- 858-538-5051 http://www.fatcity.com
San Diego, California        -- Mailing list and web hosting services
---------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from).  You may
also send the HELP command for other information (like subscribing).
Received on Wed Dec 31 2003 - 14:34:25 CST

Original text of this message

HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US