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From Íñigo Goiri (JIRA) <j...@apache.org>
Subject [jira] [Commented] (HDFS-14024) RBF: ProvidedCapacityTotal json exception in NamenodeHeartbeatService
Date Thu, 01 Nov 2018 18:51:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-14024?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16672001#comment-16672001
] 

Íñigo Goiri commented on HDFS-14024:
------------------------------------

Thanks [~crh] for the patch, committed to HDFS-13891.

[~brahmareddy], I tried to rebase the branch to trunk but I had issues with HDDS patches.
Could you give it a try?

> 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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