Re: Index freelists

From: Natural Join B.V. <lex.de.haan_at_naturaljoin.nl>
Date: Thu, 29 Apr 2004 13:40:50 MET
Message-Id: <20040429114050.AAF6A7B5A76@ha-smtp0.tiscali.nl>

I certainly agree.

especially the (new in 10g) support for globally hash-partitioned indexes is great for this reason; if you are only concerned about index contention, leave the table unpartitioned and only hash partition your index(es)...

Lex.

> ----- Original Message -----
> We both reached the conclusion the best approach to contention problems in
> situations like these (header block contention) is to hash partition as much
> as we can (and dare) and forget about fine-tuning segment-headers, freelists
> and all that jazz. Much better bang-for-buck of our time. Same applies to
> RAC and clustered situations where there may be block (or row) contention.
>
> Just hash partition the table + indexes over 50 or so splits and be done
> with it. 99 times out of 100 it's all you need to do, the remaining 1%
> you ask a guru to sort it out. Would you
agree?

---

Please see the official ORACLE-L FAQ: http://www.orafaq.com

---

To unsubscribe send email to: oracle-l-request_at_freelists.org put 'unsubscribe' in the subject line.

--
Archives are at http://www.freelists.org/archives/oracle-l/
FAQ is at http://www.freelists.org/help/fom-serve/cache/1.html
-----------------------------------------------------------------

Received on Thu Apr 29 2004 - 06:38:01 CDT