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https://issues.apache.org/jira/browse/HDFS-14720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16905841#comment-16905841
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Surendra Singh Lilhore commented on HDFS-14720:
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Hi [~jojochuang],
HDFS-10453 just solve the ReplicationMonitor issue. Actually NN should ignore
the block for replication if the block size is Long.MAX_VALUE. It is
unnecessary work for DN if NN send command for deleted block.
I feel -HDFS-10453- fix is not correct.
> DataNode shouldn't report block as bad block if the block length is
> Long.MAX_VALUE.
> -----------------------------------------------------------------------------------
>
> Key: HDFS-14720
> URL: https://issues.apache.org/jira/browse/HDFS-14720
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Affects Versions: 3.1.1
> Reporter: Surendra Singh Lilhore
> Assignee: hemanthboyina
> Priority: Major
>
> {noformat}
> 2019-08-11 09:15:58,092 WARN org.apache.hadoop.hdfs.server.datanode.DataNode:
> Can't replicate block
> BP-725378529-10.0.0.8-1410027444173:blk_13276745777_1112363330268 because
> on-disk length 175085 is shorter than NameNode recorded length
> 9223372036854775807.{noformat}
> If the block length is Long.MAX_VALUE, means file belongs to this block is
> deleted from the namenode and DN got the command after deletion of file. In
> this case command should be ignored.
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