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https://issues.apache.org/jira/browse/HDFS-11492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15907870#comment-15907870
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Anu Engineer commented on HDFS-11492:
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bq. Do you want to handle SCM commands in a new thread, or after heartbeat
finished?
Yes, you are right the plan is to queue the command and handle these commands
in a different thread. The number of commands may not be very huge, so we will
have just one thread that processes commands sequentially.
bq. Do you have any pattern design about this part?
As I mentioned the current thought is to add a single thread. For example, in
the case of the sendContianerReport command, it will iterate through all
containers which are closed and send container reports for those containers.
> Ozone: Add the ability to handle sendContainerReport Command
> ------------------------------------------------------------
>
> Key: HDFS-11492
> URL: https://issues.apache.org/jira/browse/HDFS-11492
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ozone
> Affects Versions: HDFS-7240
> Reporter: Anu Engineer
> Assignee: Anu Engineer
>
> Once a container report is ready datanodes sends that information to SCM. SCM
> returns a command asking the data node to send container report. Add the
> ability to handle this command on datanode side and send the actual container
> Report.
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