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RE: 9.2.0.3 online index builds resolved (we hope)

From: Hallas, John, Tech Dev <John.Hallas_at_gb.vodafone.co.uk>
Date: Thu, 05 Jun 2003 01:14:40 -0800
Message-ID: <F001.005AABC8.20030605011440@fatcity.com>


Stephen,
When you say there IS an problem with index rebuilds what do you mean? Have Oracle acknowledged it as a bug?

Your work around basically slows the volume of data being passed through the buffer cache, presumably allowing other users to get on with their work. I assume that this causes the index rebuild to take longer than it did with with a higher MBRC on 8.1.7.4 - is that true ?

Just trying to determine the extent of this issue

John

-----Original Message-----
Sent: 03 June 2003 18:05
To: Multiple recipients of list ORACLE-L

Well folks, there IS an issue with online index builds in 9.2.0.3. Not only have we experienced "normal" SQL getting blocked, but we have seen index builds hang indefinitely -- while holding the blocking lock (of course!). The work around is (we hope):

alter session set db_file_multiblock_read_count=1;
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Author: Stephen Lee
  INET: Stephen.Lee_at_DTAG.Com

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Author: Hallas, John, Tech Dev
  INET: John.Hallas_at_gb.vodafone.co.uk

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