Tsz Wo Nicholas Sze created HDFS-8818:
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Summary: Allow Balancer to run faster
Key: HDFS-8818
URL: https://issues.apache.org/jira/browse/HDFS-8818
Project: Hadoop HDFS
Issue Type: Improvement
Components: balancer & mover
Reporter: Tsz Wo Nicholas Sze
Assignee: Tsz Wo Nicholas Sze
The original design of Balancer is intentionally to make it run slowly so that
the balancing activities won't affect the normal cluster activities and the
running jobs.
There are new use case that cluster admin may choose to balance the cluster
when the cluster load is low, or in a maintain window. So that we should have
an option to allow Balancer to run faster.
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