[jira] [Resolved] (HDFS-2851) HA: Optimize stale block processing by triggering block reports immediately on failover

["Tsz Wo Nicholas Sze (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-2851?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tsz Wo Nicholas Sze resolved HDFS-2851.
---------------------------------------
          Resolution: Not A Problem
    Target Version/s:   (was: )

Resolving this stale issue as Not A Problem.

> HA: Optimize stale block processing by triggering block reports immediately on failover
> ---------------------------------------------------------------------------------------
>
>                 Key: HDFS-2851
>                 URL: https://issues.apache.org/jira/browse/HDFS-2851
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: balancer & mover, datanode, ha, namenode
>    Affects Versions: 2.0.0-alpha
>            Reporter: Uma Maheswara Rao G
>            Assignee: Uma Maheswara Rao G
>         Attachments: HDFS-2851-HDFS-1623-Test.patch
>
>
> After Balancer runs, usedSpace is not balancing correctly.
> {code}
> java.util.concurrent.TimeoutException: Cluster failed to reached expected values of totalSpace (current: 1500, expected: 1500), or usedSpace (current: 390, expected: 300), in more than 20000 msec.
> 	at org.apache.hadoop.hdfs.server.balancer.TestBalancer.waitForHeartBeat(TestBalancer.java:233)
> 	at org.apache.hadoop.hdfs.server.balancer.TestBalancerWithHANameNodes.testBalancerWithHANameNodes(TestBalancerWithHANameNodes.java:99)
> {code}



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