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From "Knut Anders Hatlen (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-5445) Enhance existing concurrency test to stress sequence generators to also stress identity columns
Date Wed, 12 Oct 2011 11:21:12 GMT

    [ https://issues.apache.org/jira/browse/DERBY-5445?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13125719#comment-13125719
] 

Knut Anders Hatlen commented on DERBY-5445:
-------------------------------------------

> For some reason, my commit 1179374 for this jira has not yet been
> assoicated here. The commit had added means to stress test identity
> columns under concurrent thread. The commit comments are as follows
>
> DERBY--5445 (...)

Probably the extra hyphen is why it didn't get associated with the issue.
                
> Enhance existing concurrency test to stress sequence generators to also stress identity
columns
> -----------------------------------------------------------------------------------------------
>
>                 Key: DERBY-5445
>                 URL: https://issues.apache.org/jira/browse/DERBY-5445
>             Project: Derby
>          Issue Type: Task
>          Components: Test
>    Affects Versions: 10.8.2.2, 10.9.0.0
>            Reporter: Mamta A. Satoor
>            Assignee: Mamta A. Satoor
>             Fix For: 10.8.2.2, 10.9.0.0
>
>
> DERBY-4565 added a concurrency test for sequence generators to test the possible race
condition for allocating a new range of pre-allocated numbers for the sequence. I have been
looking at enhancing that test to provide similar test for identity columns. I plan to add
another command line parameter to the test which will run the concurrency test to stress identity
column generator.

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