[HDFS-9321] Expose extra dispatcher parameters

• Type: Improvement
• Status: Patch Available
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.7.1
• Component/s: balancer & mover
• Labels: has-patch
• Assignee: Rafal Wojdyla
• Reporter: Rafal Wojdyla
• Created: 27/Oct/15 23:21
• Updated: 24/Nov/15 23:01

Description

To balance our cluster faster it was helpful to tune some hardcoded settings from dispatcher - which is used by balancer. Including:

• max number of no-pending-move iterations
• max iteration time
• source wait time

This patch adds exposes those parameters via configuration keys.