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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Work started] (HDFS-5501) Fix pendingReceivedRequests tracking in BPServiceActor
Date Tue, 12 Nov 2013 00:17:17 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5501?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Work on HDFS-5501 started by Arpit Agarwal.

> Fix pendingReceivedRequests tracking in BPServiceActor
> ------------------------------------------------------
>
>                 Key: HDFS-5501
>                 URL: https://issues.apache.org/jira/browse/HDFS-5501
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>    Affects Versions: Heterogeneous Storage (HDFS-2832)
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>
> {{BPServiceActor#pendingReceivedRequests}} is not tracked correctly for multiple storages.
Previously this counter was treated more like a flag, i.e. we only cared whether it was zero
or greater than zero. With multiple storages we need to be more precise in tracking this value
to correctly determine when to generate incremental block reports.



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