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From "Rakesh R (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-13033) [SPS]: Implement a mechanism to do file block movements for external SPS
Date Tue, 23 Jan 2018 13:57:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-13033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rakesh R updated HDFS-13033:
----------------------------
    Attachment: HDFS-13033-HDFS-10285-02.patch

> [SPS]: Implement a mechanism to do file block movements for external SPS
> ------------------------------------------------------------------------
>
>                 Key: HDFS-13033
>                 URL: https://issues.apache.org/jira/browse/HDFS-13033
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Rakesh R
>            Assignee: Rakesh R
>            Priority: Major
>             Fix For: HDFS-10285
>
>         Attachments: HDFS-13033-HDFS-10285-00.patch, HDFS-13033-HDFS-10285-01.patch,
HDFS-13033-HDFS-10285-02.patch
>
>
> HDFS-12911 modularization is introducing \{{BlockMoveTaskHandler}} interface for moving the
file blocks. That will help us to plugin different ways of block move mechanisms, if needed.
> For Internal SPS, we have simple blk movement tasks to target DN descriptors. For
external SPS, we should have mechanism to send \{{replaceBlock}} on target node and have a
listener to track the block movement completion. 
> This is the task to implement the \{{ExternalSPSBlockMoveTaskHandler}} plugin for external
SPS.



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