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https://issues.apache.org/jira/browse/HDFS-13488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16457855#comment-16457855
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Íñigo Goiri commented on HDFS-13488:
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Thanks [~linyiqun] for the comments.
Tackled most of them in [^HDFS-13488.004.patch].
The one missing would be the one for testOverloadControl; not sure how to
handle that; only submitting 4 seems like skipping the test.
I increased the time between requests a little.
> RBF: Reject requests when a Router is overloaded
> ------------------------------------------------
>
> Key: HDFS-13488
> URL: https://issues.apache.org/jira/browse/HDFS-13488
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Íñigo Goiri
> Assignee: Íñigo Goiri
> Priority: Major
> Attachments: HDFS-13488.000.patch, HDFS-13488.001.patch,
> HDFS-13488.002.patch, HDFS-13488.003.patch, HDFS-13488.004.patch
>
>
> A Router might be overloaded when handling special cases (e.g. a slow
> subcluster). The Router could reject the requests and the client could try
> with another Router. We should leverage the Standby mechanism for this.
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