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From "Uma Maheswara Rao G (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2851) HA: Optimize stale block processing by triggering block reports immediately on failover
Date Thu, 01 Mar 2012 18:47:59 GMT

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

Uma Maheswara Rao G updated HDFS-2851:
--------------------------------------

    Summary: HA: Optimize stale block processing by triggering block reports immediately on
failover  (was: HA: After Balancer runs, usedSpace is not balancing correctly.)
    
> 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: Sub-task
>          Components: balancer, data-node, ha, name-node
>    Affects Versions: HA branch (HDFS-1623)
>            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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