Tsz Wo Nicholas Sze created HDFS-6828:
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Summary: Separate block replica dispatching from Balancer
Key: HDFS-6828
URL: https://issues.apache.org/jira/browse/HDFS-6828
Project: Hadoop HDFS
Issue Type: Improvement
Components: balancer
Reporter: Tsz Wo Nicholas Sze
Assignee: Tsz Wo Nicholas Sze
The Balancer class implements two major features, (1) balancing logic for
selecting replicas in order to balance the cluster and (2) block replica
dispatching for moving the block replica around. This JIRA is to separate (2)
from Balancer so that the code could be reused by other code such as the new
data migration tool proposed in HDFS-6801.
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