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https://issues.apache.org/jira/browse/HDFS-14258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16768775#comment-16768775
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Íñigo Goiri commented on HDFS-14258:
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To avoid the 30 seconds, can we do some setter VisibleForTesting or equivalent?
>From previous JRIAs, I think WhiteBox is out of the question here.
What about using exception rules with expect or {{LambdaTestUtils#intercept}}.
> Introduce Java Concurrent Package To DataXceiverServer Class
> ------------------------------------------------------------
>
> Key: HDFS-14258
> URL: https://issues.apache.org/jira/browse/HDFS-14258
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Affects Versions: 3.2.0
> Reporter: BELUGA BEHR
> Assignee: BELUGA BEHR
> Priority: Minor
> Attachments: HDFS-14258.1.patch, HDFS-14258.2.patch,
> HDFS-14258.3.patch, HDFS-14258.4.patch, HDFS-14258.5.patch,
> HDFS-14258.6.patch, HDFS-14258.7.patch, HDFS-14258.8.patch
>
>
> * Use Java concurrent package to replace current facilities in
> {{DataXceiverServer}}.
> * A little bit of extra clean up
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