[ https://issues.apache.org/jira/browse/HDFS-5966?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tsz Wo (Nicholas), SZE updated HDFS-5966: ----------------------------------------- Hadoop Flags: Reviewed +1 patch looks good. Will commit it shortly. > Fix rollback of rolling upgrade in NameNode HA setup > ---------------------------------------------------- > > Key: HDFS-5966 > URL: https://issues.apache.org/jira/browse/HDFS-5966 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: datanode, ha, hdfs-client, namenode > Reporter: Jing Zhao > Assignee: Jing Zhao > Attachments: HDFS-5966.000.patch, HDFS-5966.001.patch > > > This jira does the following: > 1. When do rollback for rolling upgrade, we should call > FSEditLog#initJournalsForWrite when initializing editLog (just like Upgrade > in HA setup). > 2. After the rollback, we also need to rename the md5 file and change its > reference file name. > 3. Add a new unit test to cover rollback with HA+QJM -- This message was sent by Atlassian JIRA (v6.1.5#6160)