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https://issues.apache.org/jira/browse/HDFS-16417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hui Fei updated HDFS-16417:
---------------------------
Fix Version/s: 3.4.0
Resolution: Fixed
Status: Resolved (was: Patch Available)
> RBF: StaticRouterRpcFairnessPolicyController init fails with division by 0 if
> concurrent ns handler count is configured
> -----------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-16417
> URL: https://issues.apache.org/jira/browse/HDFS-16417
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: rbf
> Reporter: Felix N
> Assignee: Felix N
> Priority: Minor
> Labels: pull-request-available
> Fix For: 3.4.0
>
> Attachments: HDFS-16417.001.patch
>
> Time Spent: 2h
> Remaining Estimate: 0h
>
> If {{dfs.federation.router.fairness.handler.count.concurrent}} is configured,
> unassignedNS is thus empty and {{handlerCount % unassignedNS.size()}} will
> throw a /0 exception.
> Changed it to assigning extra handlers to concurrent ns in case it's
> configured.
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