[ https://issues.apache.org/jira/browse/HDFS-6861?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tsz Wo Nicholas Sze updated HDFS-6861: -------------------------------------- Attachment: h6861_20140818.patch h6861_20140818.patch: moves Balancer specific logic to BalancerDispatcher. > Separate Balancer specific logic form Dispatcher > ------------------------------------------------ > > Key: HDFS-6861 > URL: https://issues.apache.org/jira/browse/HDFS-6861 > Project: Hadoop HDFS > Issue Type: Improvement > Components: balancer > Reporter: Tsz Wo Nicholas Sze > Assignee: Tsz Wo Nicholas Sze > Attachments: h6861_20140818.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 (v6.2#6252)