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From "Rakesh R (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-10884) [SPS]: Add block movement tracker to track the completion of block movement future tasks at DN
Date Tue, 04 Oct 2016 04:23:21 GMT

     [ https://issues.apache.org/jira/browse/HDFS-10884?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rakesh R updated HDFS-10884:
----------------------------
    Attachment: HDFS-10884-HDFS-10285-01.patch

Attaching another patch fixing findbugs and checkstyle warnings.

> [SPS]: Add block movement tracker to track the completion of block movement future tasks
at DN
> ----------------------------------------------------------------------------------------------
>
>                 Key: HDFS-10884
>                 URL: https://issues.apache.org/jira/browse/HDFS-10884
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, namenode
>    Affects Versions: HDFS-10285
>            Reporter: Rakesh R
>            Assignee: Rakesh R
>         Attachments: HDFS-10884-HDFS-10285-00.patch, HDFS-10884-HDFS-10285-01.patch
>
>
> Presently [StoragePolicySatisfyWorker#processBlockMovingTasks()|https://github.com/apache/hadoop/blob/HDFS-10285/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/StoragePolicySatisfyWorker.java#L147]
function act as a blocking call. The idea of this jira is to implement a mechanism to track
these movements async so that would allow other movement while processing the previous one.



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