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https://issues.apache.org/jira/browse/HDFS-10885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15592413#comment-15592413
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Wei Zhou commented on HDFS-10885:
---------------------------------
Hi [~umamaheswararao], thank you very much for reviewing this patch.
{quote}
I think depending on config option really does not work here. Because Mover can
run from any process where config items can be different from Namenode. So,
mover may have this item disabled in its configs, but at NN it might be true
and running.
{quote}
Yes, that's indeed a big issue needs to be fixed.
{quote}
How about we use mover id file for communicating this.
{quote}
I do think it's a very good way, but what we should do when user disables the
Xattr feature through {{dfs.namenode.xattrs.enabled}}? Is there any potential
issue if we ask user to enable the feature as a must?
> [SPS]: Mover tool should not be allowed to run when Storage Policy Satisfier
> is on
> ----------------------------------------------------------------------------------
>
> Key: HDFS-10885
> URL: https://issues.apache.org/jira/browse/HDFS-10885
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, namenode
> Affects Versions: HDFS-10285
> Reporter: Wei Zhou
> Assignee: Wei Zhou
> Fix For: HDFS-10285
>
> Attachments: HDFS-10800-HDFS-10885-00.patch,
> HDFS-10800-HDFS-10885-01.patch, HDFS-10800-HDFS-10885-02.patch,
> HDFS-10885-HDFS-10285.03.patch, HDFS-10885-HDFS-10285.04.patch
>
>
> These two can not work at the same time to avoid conflicts and fight with
> each other.
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