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Posted to hdfs-dev@hadoop.apache.org by "Karthik Palanisamy (JIRA)" <ji...@apache.org> on 2018/08/28 12:44:00 UTC

[jira] [Created] (HDFS-13875) EOFException log spam in Datanode

Karthik Palanisamy created HDFS-13875:
-----------------------------------------

             Summary: EOFException log spam in Datanode
                 Key: HDFS-13875
                 URL: https://issues.apache.org/jira/browse/HDFS-13875
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: hdfs
    Affects Versions: 3.0.0
            Reporter: Karthik Palanisamy
            Assignee: Karthik Palanisamy


Ambari checks datanode liveness by simply connecting to data transfer port. But this connection will be closed after a successful TCP handshake without any data transfer. Due to which datanode encountered EOFExcetion when reading an encrypted message from the closed socket. 

This issue addressed in [HDFS-9572|https://issues.apache.org/jira/browse/HDFS-9572]. But not handled for encrypted data transfer(SASL message).



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