[HDFS-15094] RBF: Reuse ugi string in ConnectionPoolID

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.3.0
• Hadoop Flags: Reviewed
• Assignee: Ayush Saxena
• Reporter: Ayush Saxena
• Created: 06/Jan/20 13:08
• Updated: 09/Jan/20 03:56
• Resolved: 09/Jan/20 03:44

Description

The connectionPoolID Hash Code and equals contains ugi.toString(), These methods are used as part of getConnection() in ConnectionManager as part of every call.

The ugi.toString() eats up considerable amount of time, the Hash Calculation itself is ~10 percent of the total time of the call. And even more for the equals method.