[HADOOP-18840] Add enQueue time to RpcMetrics

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: rpc-server
• Labels: pull-request-available
• Target Version/s: 3.4.0
• Hadoop Flags: Reviewed
• Assignee: Liangjun He
• Reporter: Liangjun He
• Created: 05/Aug/23 06:32
• Updated: 27/Jan/24 08:15
• Resolved: 10/Aug/23 02:40

Description

Sometimes, the request time observed by the client is much longer than the queue + process time on the RPC server. Perhaps the RPC request 'waiting enQueue' took too long on the RPC server, so we should add enQueue time to RpcMetrics.

Issue Links

• links to: GitHub Pull Request #5926