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From "Hanisha Koneru (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-12592) JournalNodeSyncer does not discover newly added JournalNodes
Date Wed, 04 Oct 2017 22:02:00 GMT
Hanisha Koneru created HDFS-12592:
-------------------------------------

             Summary: JournalNodeSyncer does not discover newly added JournalNodes
                 Key: HDFS-12592
                 URL: https://issues.apache.org/jira/browse/HDFS-12592
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Hanisha Koneru
            Assignee: Hanisha Koneru


The JournalNodeSyncer, during initialization, gets the list of other journal nodes from the
config. All subsequent sync calls are made to these journal nodes. If another journal node
is added to the cluster or a journal node is restarted at a different address, then the running
journalNodeSyncers would not be aware of the new/ modified journal nodes. 
We would need to update the shared.edits property in all the journal nodes and restart them
for the syncers to work correctly.



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