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https://issues.apache.org/jira/browse/FLINK-9894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16548976#comment-16548976
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ASF GitHub Bot commented on FLINK-9894:
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GitHub user tison1 opened a pull request:
https://github.com/apache/flink/pull/6370
[FLINK-9894] [runtime] Potential Data Race
## What is the purpose of the change
*(CoLocationGroup#ensureConstraints may cause data race on `constraints`.
synchronize its use to avoid that)*
## Verifying this change
This change is a trivial rework / code cleanup without any test coverage.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tison1/flink patential-race
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/6370.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 #6370
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commit 34eace0951363e1d221d2f145dce80d24e5372a7
Author: 陈梓立 <wander4096@...>
Date: 2018-07-19T08:13:18Z
[FLINK-9894] [runtime] Potential Data Race
----
> Potential Data Race
> -------------------
>
> Key: FLINK-9894
> URL: https://issues.apache.org/jira/browse/FLINK-9894
> Project: Flink
> Issue Type: Improvement
> Components: Local Runtime
> Affects Versions: 1.5.1
> Reporter: 陈梓立
> Assignee: 陈梓立
> Priority: Major
> Labels: pull-request-available
>
> CoLocationGroup#ensureConstraints
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