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https://issues.apache.org/jira/browse/HADOOP-9717?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13704300#comment-13704300
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Suresh Srinivas commented on HADOOP-9717:
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There are two choices on how the retry information can be conveyed from the
client to the server:
# Add a boolean field "retry" which is set to false for first attempt and true
for subsequent retries.
# Add an int (or byte?) field "retryCount" which is set to 0 for the first
attempt and then to retry count for retried requests.
I prefer the option 2. Comments?
> Add retry flag/retry attempt count to the RPC requests
> ------------------------------------------------------
>
> Key: HADOOP-9717
> URL: https://issues.apache.org/jira/browse/HADOOP-9717
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Suresh Srinivas
>
> RetryCache lookup on server side implementation can be optimized if Rpc
> request indicates if the request is being retried. This jira proposes adding
> an optional field to Rpc request that indicates if request is being retried.
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