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From "Charles Lamb (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7579) Improve log reporting during block report rpc failure
Date Tue, 06 Jan 2015 16:18:34 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7579?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Charles Lamb updated HDFS-7579:
    Attachment: HDFS-7579.000.patch

The attached patch modifies BPServiceActor so that even if one or more of the block report
rpcs fails, a LOG.info message will still be displayed. This will help diagnose cases where
the RPC throws an exception. This patch also adds a toString() to ServerCommand so that the
LOG.info message displays something reasonable for the commands that it received back rather
than just Object.toString().

> 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
>         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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