[ https://issues.apache.org/jira/browse/HDFS-5076?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jing Zhao updated HDFS-5076: ---------------------------- Summary: Add MXBean methods to query NN's transaction information and JournalNode's journal status (was: Create http servlets to enable querying NN's last applied transaction ID and most recent checkpoint's transaction ID) > Add MXBean methods to query NN's transaction information and JournalNode's > journal status > ----------------------------------------------------------------------------------------- > > Key: HDFS-5076 > URL: https://issues.apache.org/jira/browse/HDFS-5076 > Project: Hadoop HDFS > Issue Type: New Feature > Affects Versions: 3.0.0 > Reporter: Jing Zhao > Assignee: Jing Zhao > Priority: Minor > Attachments: HDFS-5076.001.patch, HDFS-5076.002.patch, > HDFS-5076.003.patch, HDFS-5076.004.patch > > > Currently NameNode already provides RPC calls to get its last applied > transaction ID and most recent checkpoint's transaction ID. It can be helpful > to provide servlets to enable querying these information through http, so > that administrators and applications like Ambari can easily decide if a > forced checkpoint by calling saveNamespace is necessary. -- 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