[MESOS-9140] Improve performance of /containers and /monitor/statistics container usage endpoints.

• Type: Improvement
• Status: Accepted
• Priority: Major
• Resolution: Unresolved
• Labels: foundations performance
• Assignee: Unassigned
• Reporter: Benjamin Mahler
• Created: 07/Aug/18 22:21
• Updated: 02/Nov/19 22:16

Description

After fixing MESOS-8418, there are still low hanging performance improvements that can be done to both the /containers and /monitor/statistics container usage metrics endpoints.

• There is a lot of copying of ResourceUsage protobufs, the primary cost being copying the embedded executors and tasks in the protobuf. See the attached flamegraph.
• Adoption of jsonify instead of constructing JSON objects will improve performance.

There are a variety of less trivial improvements as well.