Progress-report RPCs should wait for the RPC to complete before sending another
progress report
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Key: HADOOP-1235
URL: https://issues.apache.org/jira/browse/HADOOP-1235
Project: Hadoop
Issue Type: Bug
Components: dfs, mapred
Reporter: Devaraj Das
Priority: Minor
The Progress-report IPCs don't wait for an invoked IPC to complete before
sending another progress report. Since in the IPC server, handlers execute as
threads, an old progress report might overwrite the status sent by a newer
progress report. Making the progress report IPC methods return a boolean or
something, and having the clients wait for the response to a progress report
before sending the next one, should handle the issue.
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