RE: Checking indexes after large deletes

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04-20-2008, 11:18 AM

Gentsch, Sam

Posts: n/a

RE: Checking indexes after large deletes

I received an interesting email concerning BTSCANNERS
from a kind man at IBM Tech support....kind of a question and answer
document.

Would I be hung and quartered for sharing it with folks that ask me?

Also Neil has some very good information on the subject...on his web
site.

--
Sam Gentsch

-----Original Message-----
From: informix-list-bounces@iiug.org
[mailto:informix-list-bounces@iiug.org] On Behalf Of Hamilton, Jerry
Sent: Wednesday, June 07, 2006 3:09 PM
To: informix-list@iiug.org
Subject: RE: Checking indexes after large deletes

Yes I was interested in this too.

I think a blue person came on here and said, "If you put this line in
your onconfig, all your problems with the b-tree scanner will be
forgotten". So I did and I forgot all about my b-tree scanner. But I
still don't know what the heck it's doing.

BTSCANNER num=1,priority=low,threshold=50000,rangesize=10000

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RE: Checking indexes after large deletes