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https://issues.apache.org/jira/browse/HADOOP-12957?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15261301#comment-15261301
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Tsz Wo Nicholas Sze commented on HADOOP-12957:
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Thanks for the update.
- It seems releaseAsyncCall may not work if the asyncMode is changing between
calls. We need to call releaseAsyncCall inside Future.get.
- Please add the new tests to TestAsyncIPC. We don't need to create new file
for TestAsycCallLimit.
- Please add some new tests to TestAsyncDFSRename (i.e. testing async rename).
> Limit the number of outstanding async calls
> -------------------------------------------
>
> Key: HADOOP-12957
> URL: https://issues.apache.org/jira/browse/HADOOP-12957
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc
> Reporter: Xiaobing Zhou
> Assignee: Xiaobing Zhou
> Attachments: HADOOP-12957-HADOOP-12909.000.patch,
> HADOOP-12957-combo.000.patch, HADOOP-12957.001.patch, HADOOP-12957.002.patch,
> HADOOP-12957.003.patch
>
>
> In async RPC, if the callers don't read replies fast enough, the buffer
> storing replies could be used up. This is to propose limiting the number of
> outstanding async calls to eliminate the issue.
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