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https://issues.apache.org/jira/browse/OAK-3924?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15121405#comment-15121405
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Julian Reschke edited comment on OAK-3924 at 1/28/16 1:21 PM:
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With the patch, {{ConcurrentDocumentStoreTest.testConcurrenCreateOrUpdate()}}
fails for me (createOrUpdate always returns null).
(and yes, there's a typo in the test name)
was (Author: reschke):
With the patch, {ConcurrentDocumentStoreTest.testConcurrenCreateOrUpdate()}
fails for me (createOrUpdate always returns null).
(and yes, there's a typo in the test name)
> Fix database-level row deadlock during bulk updates in RDB
> ----------------------------------------------------------
>
> Key: OAK-3924
> URL: https://issues.apache.org/jira/browse/OAK-3924
> Project: Jackrabbit Oak
> Issue Type: Sub-task
> Components: rdbmk
> Reporter: Tomek Rękawek
> Priority: Critical
> Fix For: 1.4
>
> Attachments: OAK-3924.patch
>
>
> It seems that the new bulk createOrUpdate() implementation in RDB is prone
> for the deadlocks. It isn't a bug in the Oak code, but rather something
> related to the database implementations. The bug can be observed if we have
> multiple simultaneous bulk updates and some of the rows repeat among them.
> The attached patch contains an unit test {{testConcurrentWithConflict}}
> presenting the issue.
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