[jira] [Commented] (HDFS-3220) Improve some block recovery log messages

["Jean-Daniel Cryans (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-3220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13713215#comment-13713215 ] 

Jean-Daniel Cryans commented on HDFS-3220:
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Hey [~eli], I did see this in "real life", see the whole comment here: https://issues.apache.org/jira/browse/HBASE-8919?focusedCommentId=13713211&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13713211
                
> Improve some block recovery log messages
> ----------------------------------------
>
>                 Key: HDFS-3220
>                 URL: https://issues.apache.org/jira/browse/HDFS-3220
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Eli Collins
>
> FsDatasetImpl has three cases that throw exceptions with the message "THIS IS NOT SUPPOSED TO HAPPEN". These could happen in real life (eg with a corrupt block file). Let's improve these messages to indicate what case we've actually hit instead of this message, which isn't very useful. 

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