[ https://issues.apache.org/jira/browse/HDFS-6133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14328931#comment-14328931 ]
Tsz Wo Nicholas Sze commented on HDFS-6133: ------------------------------------------- > ... I was wondering whether there is any compatibility issue when we do > rolling upgrade? ... For rolling upgrade, the block pinning feature should be first disabled, then upgrade the cluster and then enable the feature. What do you think? > Make Balancer support exclude specified path > -------------------------------------------- > > Key: HDFS-6133 > URL: https://issues.apache.org/jira/browse/HDFS-6133 > Project: Hadoop HDFS > Issue Type: Improvement > Components: balancer & mover, datanode > Reporter: zhaoyunjiong > Assignee: zhaoyunjiong > Fix For: 2.7.0 > > Attachments: HDFS-6133-1.patch, HDFS-6133-10.patch, > HDFS-6133-11.patch, HDFS-6133-2.patch, HDFS-6133-3.patch, HDFS-6133-4.patch, > HDFS-6133-5.patch, HDFS-6133-6.patch, HDFS-6133-7.patch, HDFS-6133-8.patch, > HDFS-6133-9.patch, HDFS-6133.patch > > > Currently, run Balancer will destroying Regionserver's data locality. > If getBlocks could exclude blocks belongs to files which have specific path > prefix, like "/hbase", then we can run Balancer without destroying > Regionserver's data locality. -- This message was sent by Atlassian JIRA (v6.3.4#6332)