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https://issues.apache.org/jira/browse/HDFS-7579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14268364#comment-14268364
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Arpit Agarwal commented on HDFS-7579:
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Thank you for the heads up Chris.
I agree that numReportsSent should be the number of RPCs and not
reports.length. We could rename it to be clearer.
Couple of additional comments:
# _final int nCmds = cmds.size();_ should check for {{cmds}} being null.
# The logged message should give some indication whether or not all RPCs
succeeded. Perhaps we can log something like _successfully completed x of y RPC
calls_. For the usual case (no split), y would be 1. For the split case it
would be {{reports.length}}.
> Improve log reporting during block report rpc failure
> -----------------------------------------------------
>
> Key: HDFS-7579
> URL: https://issues.apache.org/jira/browse/HDFS-7579
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Affects Versions: 2.7.0
> Reporter: Charles Lamb
> Assignee: Charles Lamb
> Priority: Minor
> Labels: supportability
> Attachments: HDFS-7579.000.patch
>
>
> During block reporting, if the block report RPC fails, for example because it
> exceeded the max rpc len, we should still produce some sort of LOG.info
> output to help with debugging.
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