[HDFS-16369] RBF: Fix the retry logic of RouterRpcServer#invokeAtAvailableNs

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: rbf
• Labels: pull-request-available
• Target Version/s: 3.4.0
• Hadoop Flags: Reviewed
• Assignee: Ayush Saxena
• Reporter: Ayush Saxena
• Created: 02/Dec/21 14:08
• Updated: 11/Feb/24 23:18
• Resolved: 04/Dec/21 05:25

Description

As of now invokeAtAvailableNs, retries only once if the default or the first namespace is not available, despite having other namespaces available.

Optimise to retry on all namespaces.

Issue Links

• relates to: HDFS-16359 RBF: RouterRpcServer#invokeAtAvailableNs does not take effect when retrying
• links to: GitHub Pull Request #3745