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From "Suresh Srinivas (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3257) Fix synchronization issues with journal service
Date Thu, 12 Apr 2012 00:13:19 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13252079#comment-13252079
] 

Suresh Srinivas commented on HDFS-3257:
---------------------------------------

Hari, JournalService RPC server runs using a single thread. That means all the RPC method
calls end up as corresponding protocol interface calls and are dispatched to listeners. The
only synchronization issue I can think of are the ones that manipulate the state, which I
think is handled correctly in StateMachine. Nicholas, any comments?
                
> Fix synchronization issues with journal service
> -----------------------------------------------
>
>                 Key: HDFS-3257
>                 URL: https://issues.apache.org/jira/browse/HDFS-3257
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ha, name-node
>            Reporter: Hari Mankude
>            Assignee: Hari Mankude
>


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