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https://issues.apache.org/jira/browse/KAFKA-6096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16215941#comment-16215941
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ASF GitHub Bot commented on KAFKA-6096:
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GitHub user rajinisivaram opened a pull request:
https://github.com/apache/kafka/pull/4122
KAFKA-6096: Add multi-threaded tests for group coordinator, txn manager
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rajinisivaram/kafka KAFKA-6096-deadlock-test
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/4122.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #4122
----
commit 5e39e73da84c0057ae4815b066cbc6e9113bc608
Author: Rajini Sivaram <rajinisiva...@googlemail.com>
Date: 2017-10-23T20:59:04Z
KAFKA-6096: Add multi-threaded tests for group coordinator, txn manager
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> Add concurrent tests to exercise all paths in group/transaction managers
> ------------------------------------------------------------------------
>
> Key: KAFKA-6096
> URL: https://issues.apache.org/jira/browse/KAFKA-6096
> Project: Kafka
> Issue Type: Test
> Components: core
> Reporter: Rajini Sivaram
> Assignee: Jason Gustafson
> Fix For: 1.1.0
>
>
> We don't have enough tests to test locking/deadlocks in GroupMetadataManager
> and TransactionManager. Since we have had a lot of deadlocks (KAFKA-5970,
> KAFKA-6042 etc.) which were not detected during testing, we should add more
> mock tests with concurrency to verify the locking.
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