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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5501) Fix pendingReceivedRequests tracking in BPServiceActor
Date Tue, 12 Nov 2013 00:59:19 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13819684#comment-13819684

Arpit Agarwal commented on HDFS-5501:

This patch needs both HDFS-5491 and HDFS-5494 to apply cleanly.

> 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
>         Attachments: h5501.01.patch, h5501.02.patch
> {{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 not. 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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