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Brandon Li commented on HDFS-3425: ---------------------------------- Hi Todd, thanks for reviewing it. One implementation here is better than two. :-) I am not sure I got the idea about using selectInputStreams() instead of if(usesJournalService()). Is your branch currently visible, so we can see an example? > Enable standby namenode to tail edits from journal service > ---------------------------------------------------------- > > Key: HDFS-3425 > URL: https://issues.apache.org/jira/browse/HDFS-3425 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: ha, name-node > Reporter: Brandon Li > Assignee: Brandon Li > Attachments: HDFS-3425.HDFS-3092.patch, HDFS-3425.HDFS-3092.patch.2 > > > In an HA cluster with the journal service configured, namenode should get > edit logs from journal service instead of from local or shared storage > directories. > As one of the first steps towards this goal, this JIRA is to enable standby > namenode to tail edits from journal services. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira