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From "Yiqun Lin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11580) Ozone: Support asynchronus client API for SCM and containers
Date Fri, 07 Apr 2017 02:13:41 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15960174#comment-15960174
] 

Yiqun Lin commented on HDFS-11580:
----------------------------------

HI [~anu], I'd like to work on this. I have taken a quick look on this. I am still having
something to confirm.

* If we use async interface to send request command, that means we don't return the response
to the client, right? And we will not do the {{validateContainerResponse}} operation. As I
see the current logic, it will do the response checking.
* SCM API will also invoke {{XceiverClient#sendCommand}}, so is that mean I should only refactor
the sendCommand? Is that anything else should I do for SCM API?

Please just let me know if I am not correct. Thanks!

> 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
>
> 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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