[HDFS-15096] RBF: GetServerDefaults Should be Cached At Router

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.3.0
• Hadoop Flags: Reviewed
• Assignee: Ayush Saxena
• Reporter: Ayush Saxena
• Created: 07/Jan/20 06:52
• Updated: 09/Jan/20 03:41
• Resolved: 09/Jan/20 03:30

Description

Presently each getServerDefault calls are triggered to the Namespace, The DFSClient caches the getServerDefaults(), similarly the Router can also cache the getServerDefaults(), as router connects to multiple clients, this improves performance for subsequent calls.