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https://issues.apache.org/jira/browse/HADOOP-9716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13707387#comment-13707387
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Tsz Wo (Nicholas), SZE commented on HADOOP-9716:
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BTW, since rpc retries use the same Call ID, we need to use Call ID and Retry #
as a key to identify rpc calls. We need to change the protocol to support it.
> Move the Rpc request call ID generation to client side InvocationHandler
> ------------------------------------------------------------------------
>
> Key: HADOOP-9716
> URL: https://issues.apache.org/jira/browse/HADOOP-9716
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc
> Reporter: Suresh Srinivas
> Assignee: Tsz Wo (Nicholas), SZE
> Attachments: c9716_20130712b.patch, c9716_20130712.patch,
> c9716_20130713.patch
>
>
> Currently when RetryInvocationHandler is used to retry an RPC request, a new
> RPC request call ID is generated. This jira proposes moving call ID
> generation to InvocationHandler so that retried RPC requests retain the same
> call ID. This is needed for RetryCache functionality proposed in HDFS-4942.
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