[KUDU-2301] Add metrics per connection to the reactor metrics

• Type: Task
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: rpc
• Labels: metrics observability
• Assignee: Sailesh Mukil
• Reporter: Sailesh Mukil
• Created: 15/Feb/18 19:23
• Updated: 03/Jun/20 02:13

Description

We can expose metrics on a per connection level and store them in ReactorMetrics.

As an initial step, we can expose the OutboundTransfer queue size and a rolling average of transfer speeds in Kbps.

Issue Links

• blocks: IMPALA-6347 Monitor queue depth size for outgoing RPCs for Reactor threads