[HDFS-13987] RBF: Review of RandomResolver Class

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.2.0
• Fix Version/s: 3.3.0
• Component/s: federation
• Hadoop Flags: Reviewed
• Assignee: David Mollitor
• Reporter: David Mollitor
• Created: 12/Oct/18 15:59
• Updated: 15/Oct/18 17:28
• Resolved: 15/Oct/18 16:51

Description

• Use ThreadLocalRandom
• Do not create a list, and copy, to pick a random index
• An early-return in the method means that the 'ERROR' logging is skipped in some cases