[MESOS-9213] Avoid double copying of master->framework messages when incrementing metrics.

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.7.0
• Fix Version/s: 1.7.0
• Component/s: master, metrics
• Labels: mesosphere metrics
• Target Version/s: 1.7.0
• Epic Link: Metrics Improvements
• Story Points: 1
• Assignee: Benjamin Mahler
• Reporter: Greg Mann
• Created: 06/Sep/18 20:34
• Updated: 07/Sep/18 00:27
• Resolved: 07/Sep/18 00:27

Description

When incrementing metrics, we currently do stuff like

metrics.incrementEvent(devolve(evolve(message)));

which is not efficient. We should update such callsites to avoid gratuitous conversions which could degrade performance when many events are being sent.