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https://issues.apache.org/jira/browse/HDFS-11580?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chen Liang updated HDFS-11580:
------------------------------
    Attachment: HDFS-11580-HDFS-7240.010.patch

Post v010 patch to save some iteration time, since I think [~linyiqun] is in a 
different time zone. Please review.

Also realized that there were double async in earlier patch. i.e. 
{{sendCommandAsync}} is asynchronously calling {{sendCommand}}, then commands 
are again asynchronously calling {{sendCommandAsync}}. Instead we can have just 
one, that is commands asynchronously calling {{sendCommand}}. Which is what 
comes with [~nandakumar131]'s suggestion. So I removed  {{sendCommandAsync}} 
API in v010 patch too.

> Ozone: Support asynchronus client API for SCM and containers
> ------------------------------------------------------------
>
>                 Key: HDFS-11580
>                 URL: https://issues.apache.org/jira/browse/HDFS-11580
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>    Affects Versions: HDFS-7240
>            Reporter: Anu Engineer
>            Assignee: Yiqun Lin
>         Attachments: HDFS-11580-HDFS-7240.001.patch, 
> HDFS-11580-HDFS-7240.002.patch, HDFS-11580-HDFS-7240.003.patch, 
> HDFS-11580-HDFS-7240.004.patch, HDFS-11580-HDFS-7240.005.patch, 
> HDFS-11580-HDFS-7240.006.patch, HDFS-11580-HDFS-7240.007.patch, 
> HDFS-11580-HDFS-7240.008.patch, HDFS-11580-HDFS-7240.009.patch, 
> HDFS-11580-HDFS-7240.010.patch
>
>
> This is an umbrella JIRA that needs to support a set of APIs in Asynchronous 
> form.
> For containers -- or the datanode API currently supports a call 
> {{sendCommand}}. we need to build proper programming interface and support an 
> async interface.
> There is also a set of SCM API that clients can call, it would be nice to 
> support Async interface for those too.



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