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https://issues.apache.org/jira/browse/HDFS-12813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo Nicholas Sze updated HDFS-12813:
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Hadoop Flags: Reviewed
+1 the 004 patch looks good.
> RequestHedgingProxyProvider can hide Exception thrown from the Namenode for
> proxy size of 1
> -------------------------------------------------------------------------------------------
>
> Key: HDFS-12813
> URL: https://issues.apache.org/jira/browse/HDFS-12813
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: ha
> Reporter: Mukul Kumar Singh
> Assignee: Mukul Kumar Singh
> Attachments: HDFS-12813.001.patch, HDFS-12813.002.patch,
> HDFS-12813.003.patch, HDFS-12813.004.patch
>
>
> HDFS-11395 fixed the problem where the MultiException thrown by
> RequestHedgingProxyProvider was hidden. However when the target proxy size is
> 1, then unwrapping is not done for the InvocationTargetException. for target
> proxy size of 1, the unwrapping should be done till first level where as for
> multiple proxy size, it should be done at 2 levels.
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