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Posted to hdfs-issues@hadoop.apache.org by "Doris Gu (JIRA)" <ji...@apache.org> on 2017/05/04 08:57:04 UTC

[jira] [Created] (HDFS-11753) Make Some Enhancements about JournalNode Daemon

Doris Gu created HDFS-11753:
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             Summary: Make Some Enhancements about JournalNode Daemon 
                 Key: HDFS-11753
                 URL: https://issues.apache.org/jira/browse/HDFS-11753
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: journal-node
    Affects Versions: 3.0.0-alpha2
            Reporter: Doris Gu


1.Add support -h. Right now, if I use *hdfs journalnode -h* , I straightly start journalnode daemon. But generally speakingļ¼Œ I just want to look at the usage.

2.Add exception catch and termination. If I start journalnode with different directions stored pids, I get servel journalnode daemons which I don't want for I config the same port.



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