Wei-Chiu Chuang created HDFS-13638:
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Summary: DataNode Can't replicate block because NameNode thinks
the length is 9223372036854775807
Key: HDFS-13638
URL: https://issues.apache.org/jira/browse/HDFS-13638
Project: Hadoop HDFS
Issue Type: Bug
Components: datanode
Reporter: Wei-Chiu Chuang
I occasionally find the following warning in CDH clusters, but haven't figured
out why. Thought I should better raise the issue anyway.
{noformat}
2018-05-29 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}
Infact, 9223372036854775807 = Long.MAX_VALUE.
Chasing in the HDFS codebase but didn't find where this length could come from
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