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From "Zhe Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-9405) When starting a file, NameNode should generate EDEK in a separate thread
Date Mon, 09 Nov 2015 23:18:11 GMT
Zhe Zhang created HDFS-9405:
-------------------------------

             Summary: When starting a file, NameNode should generate EDEK in a separate thread
                 Key: HDFS-9405
                 URL: https://issues.apache.org/jira/browse/HDFS-9405
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: encryption, namenode
    Affects Versions: 2.7.1
            Reporter: Zhe Zhang


{{generateEncryptedDataEncryptionKey}} involves a non-trivial I/O operation to the key provider,
which could be slow or cause timeout. It should be done as a separate thread so as to return
a proper error message to the RPC caller.



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