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https://issues.apache.org/jira/browse/HDFS-10885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15713810#comment-15713810
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Rakesh R commented on HDFS-10885:
---------------------------------
{quote}
The API what we are exposing is named as isStoragePolicySatisfierActive. This
two items would be exposed to users, So, I feel we should unify in name to
avoid confusions.
How about naming the parameter some thing like, (option 1)
dfs.storage.policy.satisfier.activate = true ? or to avoid Active/Standby HA
confusions,
{quote}
Good point. Adding one case to consider. Say, configured
{{dfs.namenode.sps.enabled=true}} but due to another Mover tool instance
Namenode won't be able to start running the SPS daemon. If we name the API
{{#isStoragePolicySatisfierEnabled}} then users may get confused that even
after enabling, the API is returning false value, right?. IMHO, to avoid
confusion with HA, can we rename the API to
{{#isStoragePolicySatisfierRunning()}}
> [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,
> HDFS-10885-HDFS-10285.05.patch, HDFS-10885-HDFS-10285.06.patch,
> HDFS-10885-HDFS-10285.07.patch, HDFS-10885-HDFS-10285.08.patch,
> HDFS-10885-HDFS-10285.09.patch
>
>
> These two can not work at the same time to avoid conflicts and fight with
> each other.
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