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https://issues.apache.org/jira/browse/HDFS-12982?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rakesh R updated HDFS-12982:
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Attachment: HDFS-12982-HDFS-10285-03.patch
Thanks a lot [~surendrasingh] for the reviews. Attached another patch fixing it.
comment#1 -> Kept {{isSpsRunning}} flag inside Context to avoid the NN lock in
SPS class. Had a discussion with Uma and this will be further refined in the
continuation jira HDFS-12911.
comment#2 -> I've modified and made it simple by directly calling the ctxt api.
The purpose of BlockMoveTaskHandler can be discussed in the HDFS-12911 -
modularization work.
comment#3 -> Done.
> [SPS]: Reduce the locking and cleanup the Namesystem access
> -----------------------------------------------------------
>
> Key: HDFS-12982
> URL: https://issues.apache.org/jira/browse/HDFS-12982
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, namenode
> Reporter: Rakesh R
> Assignee: Rakesh R
> Attachments: HDFS-12982-HDFS-10285-00.patch,
> HDFS-12982-HDFS-10285-01.patch, HDFS-12982-HDFS-10285-02.patch,
> HDFS-12982-HDFS-10285-03.patch
>
>
> This task is to optimize the NS lock usage in SPS and cleanup the Namesystem
> access via {{Context}} interface.
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