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https://issues.apache.org/jira/browse/HADOOP-13189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15321193#comment-15321193
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Konstantin Shvachko commented on HADOOP-13189:
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Looks like you need to split the comment line in {{TestFairCallQueue.java}}
into two as per checkstyle warning.
Test failures do not seem to be related to the patch.
> FairCallQueue makes callQueue larger than the configured capacity.
> ------------------------------------------------------------------
>
> Key: HADOOP-13189
> URL: https://issues.apache.org/jira/browse/HADOOP-13189
> Project: Hadoop Common
> Issue Type: Bug
> Components: ipc
> Affects Versions: 2.6.0
> Reporter: Konstantin Shvachko
> Assignee: Vinitha Reddy Gankidi
> Attachments: HADOOP-13189.001.patch, HADOOP-13189.002.patch
>
>
> {{FairCallQueue}} divides {{callQueue}} into multiple (4 by default)
> sub-queues, with each sub-queue corresponding to a different level of
> priority. The constructor for {{FairCallQueue}} takes the same parameter
> {{capacity}} as the default CallQueue implementation, and allocates all its
> sub-queues of size {{capacity}}. With 4 levels of priority (sub-queues) by
> default it results in the total callQueue size 4 times larger than it should
> be based on the configuration.
> {{capacity}} should be divided by the number of sub-queues at some place.
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