Re: Deadlock issues in 8.1.7.2

And usually they are caused by app. design issues, not database issues. Of course, unless you are dealing with MS SQL Server.

Igor Neyman, OCP DBA
ineyman_at_perceptron.com   

The degree of normality in a database
is inversely proportional to that of its DBA.

• Original Message ----- To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Friday, March 22, 2002 2:08 PM

> Hi,
>
> Deadlocks happen for N number of reasons. Please post
> the deadlock graph for further investigation.
>
>
> Best Regards,
> K Gopalakrishnan
> Bangalore, INDIA
>
>
>
> -----Original Message-----
> Cherie_Machler_at_gelco.com
> Sent: Friday, March 22, 2002 10:38 AM
> To: Multiple recipients of list ORACLE-L
>
>
> Is anyone having deadlocking issues with the 8.1.7.2 release of Oracle?
>
> If you are, how serious are these errors? What are the consequences
> of the deadlock error messages. How long does it actually take to
> clean up the deadlocks? Does one of the transactions roll back?
> Does it then reissue later? I've opened a TAR but support seems unable
> to answer these questions to my satisfaction and I can't find this
> particular
> problem documented on Metalink. Maybe I'm not searching on the
> right thing. The error number seems to have very little information
> associated
> with it.
>
> We are doing some advance testing of an upgrade from 8.0.4 to 8.1.7.2
> of a data warehouse. We are using partitioning, the STAR_TRANSFORMATION
> set to true, otherwise, a fairly typical database.
>
> We are using version 2.6 of Sun Solaris, EMC disk, and Veritas volume
> manager.
>
> During testing of two data load scripts, we get recurring deadlock errors
> on
> the 8.1.7.2 test database. We can reproduce these errors every time we
> run these scripts togethe
>
> In our current 8.0.4 database, we run the two scripts together and it is
> not an option
> to run them sequentially, instead of concurrently, since we don't have a
> long enough
> window to run them concurrently.
>
> Thanks in advance for any help.
>
> Cherie Machler
> Oracle DBA
> Gelco Information Network
>
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> INET: Cherie_Machler_at_gelco.com
>
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> Author: K Gopalakrishnan
> INET: kaygopal_at_yahoo.com
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Igor Neyman
  INET: ineyman_at_perceptron.com

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
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