[ https://issues.apache.org/jira/browse/HDFS-6861?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tsz Wo Nicholas Sze updated HDFS-6861: -------------------------------------- Issue Type: Sub-task (was: Improvement) Parent: HDFS-8825 > Separate Balancer specific logic form Dispatcher > ------------------------------------------------ > > Key: HDFS-6861 > URL: https://issues.apache.org/jira/browse/HDFS-6861 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: balancer & mover > Reporter: Tsz Wo Nicholas Sze > Assignee: Tsz Wo Nicholas Sze > Labels: BB2015-05-TBR > Attachments: h6861_20140818.patch, h6861_20140819.patch > > > In order to balance datanode storage utilization of a cluster, Balancer (1) > classifies datanodes into different groups (overUtilized, aboveAvgUtilized, > belowAvgUtilized and underUtilized), (2) chooses source and target datanode > pairs and (3) chooses blocks to move. Some of these logic are in Dispatcher. > It is better to separate them out. This JIRA is a further work of HDFS-6828. -- This message was sent by Atlassian JIRA (v6.3.4#6332)