[HDFS-6010] Make balancer able to balance data among specified servers

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Duplicate
• Affects Version/s: 2.3.0
• Component/s: balancer & mover
• Labels: balancer
• Assignee: Yu Li
• Reporter: Yu Li
• Created: 25/Feb/14 02:47
• Updated: 31/Jul/14 07:01
• Resolved: 31/Jul/14 07:01

Description

Currently, the balancer tool balances data among all datanodes. However, in some particular case, we would need to balance data only among specified nodes instead of the whole set.

In this JIRA, a new "-servers" option would be introduced to implement this.

Issue Links

• duplicates: HDFS-6441 Add ability to exclude/include specific datanodes while balancing
• is part of: HDFS-6009 Tools based on favored node feature for isolation
• is related to: HDFS-6011 Make it able to specify balancer bandwidth for specified nodes