Maybe running the analyze during off-peak time can avoid the problem.
- Original Message -----
From: "Powell, Mark D" <mark.powell_at_eds.com>
To: <oracle-l_at_freelists.org>
Sent: Monday, February 16, 2004 10:32 PM
Subject: RE: Rollback too small... on analyze???
> I would suspect delayed block cleanout is responsible for the 1555 error.
> Try running a select * first, or switch from a compute to an estimate
which
> because of how it works reduce the frequency of the error occurring.
>
>
> -----Original Message-----
> From: oracle-l-bounce_at_freelists.org
> [mailto:oracle-l-bounce_at_freelists.org]On Behalf Of Michael Kline
> Sent: Saturday, February 14, 2004 9:29 AM
> To: oracle-l_at_freelists.org
> Subject: Rollback too small... on analyze???
>
>
> Oracle 8.1.7.4 on HP-UX.
>
> I've got a client trying to insert into large tables in batches of
> 5 million rows which is taking about 20 minutes per 5 million. No
> problem there.
>
> The problem seems to be that he runs an analyze compute statistics
> afterwards and about 1 out of 5 times he gets a rollback segment
> too small. I wouldn't think analyze uses rollback.. It happens
> so infrequently and ALWAYS seems to work if they simply run it
> again.
>
> What I suspect, though have no way to prove, is that the rollbacks
> are still dumping out after the last batch of inserts and the
> analyze gets a bit confused on this.
>
> I have suggested they put a 3-5 minute "wait" before they run
> the analyze and see if that clears the problem up.
>
> Is there any firm foundation to this?
>
> What might be cause this?
>
> The only other process running at the time was another insert
> batch on a different table.
>
>
> Michael Kline, Principal Consultant
> Business To Business Solutions, LLC
> Richmond, VA
> 804-744-1545
>
>
>
>
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Received on Mon Feb 16 2004 - 08:40:22 CST
