[ https://issues.apache.org/jira/browse/HDFS-3884?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Todd Lipcon resolved HDFS-3884. ------------------------------- Resolution: Fixed Target Version/s: QuorumJournalManager (HDFS-3077) Hadoop Flags: Reviewed committed to branch, thx for reviews. > QJM: Journal format() should reset cached values > ------------------------------------------------ > > Key: HDFS-3884 > URL: https://issues.apache.org/jira/browse/HDFS-3884 > Project: Hadoop HDFS > Issue Type: Sub-task > Affects Versions: QuorumJournalManager (HDFS-3077) > Reporter: Todd Lipcon > Assignee: Todd Lipcon > Fix For: QuorumJournalManager (HDFS-3077) > > Attachments: hdfs-3884.txt, hdfs-3884.txt, hdfs-3884.txt > > > Simple bug in the JournalNode: it caches certain values (eg accepted epoch) > in memory, and the cached values aren't reset when the journal is formatted. > So, after a format, further calls to the same Journal will see the old value > for accepted epoch, writer epoch, etc, preventing the journal from being > re-used until the JN is restarted. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira