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https://issues.apache.org/jira/browse/HDFS-11580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16058466#comment-16058466
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Chen Liang commented on HDFS-11580:
-----------------------------------
To [~linyiqun] and anyone reviewing this. There are several places with
{code}
try {
validateContainerResponse(response);
} catch (StorageContainerException ignored) {
}
{code}
The {{StorageContainerException}} contains an error code which I think we
should expose to caller somehow. I spent quite some time looking at how to
expose exception from callbacks (e.g. {{thenApply}} we use here) but found
nothing yet...alternatively we may be able to return the error code but not in
an exception, but still not sure how to. Any thoughts?
> 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
>
>
> 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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