OCP Architecture question

From: Ryan <rgaffuri_at_cox.net>
Date: Thu, 14 Aug 2003 17:24:23 -0800
Message-ID: <F001.005CABD3.20030814172423@fatcity.com>

Im using the self test software and here is a question... I dont like the answers. Please tell me if Im wrong.

Which Three methods can be used to avoid snapshot too old errors. This is for the 8i test.

1. User larger extents
2. Increase MAXEXTENTS for existing rollback segments
3. Create rollback segments with higher optimal values
4. Create rollback segments iwth high minextents
5. Run long queries when transaction processing is high.

Ruling out 5 is obvious. The test says its.

1,3,4

How does using large extents help this? What about a higher minextents value?

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Author: Ryan
  INET: rgaffuri_at_cox.net

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