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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/06/23 05:33:00 UTC
[jira] [Assigned] (SPARK-21188) releaseAllLocksForTask should
synchronize the whole method
[ https://issues.apache.org/jira/browse/SPARK-21188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-21188:
------------------------------------
Assignee: (was: Apache Spark)
> releaseAllLocksForTask should synchronize the whole method
> ----------------------------------------------------------
>
> Key: SPARK-21188
> URL: https://issues.apache.org/jira/browse/SPARK-21188
> Project: Spark
> Issue Type: Bug
> Components: Block Manager, Spark Core
> Affects Versions: 2.1.0, 2.2.0
> Reporter: Feng Liu
>
> Since the objects readLocksByTask, writeLocksByTask and infos are coupled and supposed to be modified by other threads concurrently, all the read and writes of them in the releaseAllLocksForTask method should be protected by a single synchronized block. The fine-grained synchronization in the current code can cause some test flakiness.
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