[ https://issues.apache.org/jira/browse/HDFS-9975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kai Sasaki resolved HDFS-9975. ------------------------------ Resolution: Invalid > CLONE - Erasure Coding: update the Balancer/Mover data migration logic > ---------------------------------------------------------------------- > > Key: HDFS-9975 > URL: https://issues.apache.org/jira/browse/HDFS-9975 > Project: Hadoop HDFS > Issue Type: Sub-task > Reporter: dragon > Assignee: Walter Su > Labels: HDFS-7285 > Fix For: HDFS-7285 > > > Currently the Balancer/Mover only considers the distribution of replicas of > the same block during data migration: the migration cannot decrease the > number of racks. With EC the Balancer and Mover should also take into account > the distribution of blocks belonging to the same block group. -- This message was sent by Atlassian JIRA (v6.3.4#6332)