Federation: support per pool and per node policies in Balancer
--------------------------------------------------------------
Key: HDFS-1681
URL: https://issues.apache.org/jira/browse/HDFS-1681
Project: Hadoop HDFS
Issue Type: Sub-task
Components: balancer
Affects Versions: Federation Branch
Reporter: Tsz Wo (Nicholas), SZE
Assignee: Tsz Wo (Nicholas), SZE
Change balancer to support per pool and per node policies.
*per Node*: Cluster is balance if each node is balance.
*per Pool*: Cluster is balance if each pool is balance.
Note that per Pool implies per Node but NOT the other way around.
--
This message is automatically generated by JIRA.
-
For more information on JIRA, see: http://www.atlassian.com/software/jira
