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Re: Locally managed tablespaces with Rule based

From: Jonathan Lewis <jonathan_at_jlcomp.demon.co.uk>
Date: Tue, 16 Apr 2002 09:23:02 +0100
Message-ID: <1018945319.14118.0.nnrp-08.9e984b29@news.demon.co.uk>

This sounds a little doubtful.

I know that from time to time I've seen cases where 'B happened just after I did A', and then spent ages trying to work out which bit of A 'caused' B; to discover that it was a coincidence.

Oracle Support has a pretty fair line (**) with their constant 'can you send a reproducible test case' - if you can't reproduce it at will, you can't be sure that you are picking the right cause; and I would be inclined to put this one down to 'wrong cause'.

It seems so unlikely. But perhaps if you have tablespace quotas and a space management task on an autoallocate tablespace causes you to exceed your quota, perhaps something funny happens with the mix and match of bitmap block manipulation and data dictionary update.

(**) Of course, when you say "it always fails on my 7 table, 3GB partitioned data set with 12 CPUs test case", and Oracle asks for a 'small' test case, that's a different matter.

--
Jonathan Lewis
http://www.jlcomp.demon.co.uk

Author of:
Practical Oracle 8i: Building Efficient Databases

Next Seminar - Australia - July/August
http://www.jlcomp.demon.co.uk/seminar.html

Host to The Co-Operative Oracle Users' FAQ
http://www.jlcomp.demon.co.uk/faq/ind_faq.html



Joel Garry wrote in message
<91884734.0204151654.78644e03_at_posting.google.com>...

>All:
>
>Anybody hear of a bug corrupting things when you used locally managed
>tablespaces with the Rule based optimizer? A speaker at IOUG SD
>mentioned he saw that just before he came here, couldn't give any
>details.
>
>jg
>--
>joel-garry_at_home.com no longer exists.
>http://www.garry.to
Received on Tue Apr 16 2002 - 03:23:02 CDT

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