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Posted to hdfs-dev@hadoop.apache.org by "Wei-Chiu Chuang (JIRA)" <ji...@apache.org> on 2018/05/30 00:28:00 UTC

[jira] [Created] (HDFS-13638) DataNode Can't replicate block because NameNode thinks the length is 9223372036854775807

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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