[HDFS-11757] Query StreamCapabilities when creating balancer's lock file

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha2
• Fix Version/s: 3.0.0-alpha4
• Component/s: balancer & mover
• Target Version/s: 3.0.0-alpha4
• Assignee: Sammi Chen
• Reporter: Andrew Wang
• Created: 04/May/17 18:41
• Updated: 24/Apr/18 20:49
• Resolved: 11/May/17 21:10

Description

Once HDFS-11644 goes in, we'll have a clean way of querying for stream capabilities. We should redo the check in the Balancer introduced in HDFS-11643 to query the capabilities.