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https://issues.apache.org/jira/browse/HDFS-14024?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16671139#comment-16671139
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CR Hota commented on HDFS-14024:
--------------------------------
[~elgoiri] This change is fairly simple and isolated. May be we can resolve
this as is and open a separate ticket to add extensive tests for whole of
jmxparams. It may need couple of modifications to the code itself to make it
testable.
Thoughts ?
> RBF: ProvidedCapacityTotal json exception in NamenodeHeartbeatService
> ---------------------------------------------------------------------
>
> Key: HDFS-14024
> URL: https://issues.apache.org/jira/browse/HDFS-14024
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: CR Hota
> Assignee: CR Hota
> Priority: Major
> Attachments: HDFS-14024-HDFS-13891.0.patch, HDFS-14024.0.patch
>
>
> Routers may be proxying for a downstream name node that is NOT migrated to
> understand "ProvidedCapacityTotal". updateJMXParameters method in
> NamenodeHeartbeatService should handle this without breaking.
>
> {code:java}
> jsonObject.getLong("MissingBlocks"),
> jsonObject.getLong("PendingReplicationBlocks"),
> jsonObject.getLong("UnderReplicatedBlocks"),
> jsonObject.getLong("PendingDeletionBlocks"),
> jsonObject.getLong("ProvidedCapacityTotal"));
> {code}
> One way to do this is create a json wrapper while gives back some default if
> json node is not found.
>
>
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