Michael Park created MESOS-4235:
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Summary: JSON generation performance improvement
Key: MESOS-4235
URL: https://issues.apache.org/jira/browse/MESOS-4235
Project: Mesos
Issue Type: Epic
Components: libprocess, master, stout
Reporter: Michael Park
Assignee: Michael Park
This is an epic which evolved from MESOS-2353. As mentioned in the description
of MESOS-2353, most of the work is spent performing memory
allocation/deallocation. Some preliminary efforts have been made such as
calling {{reserve}} for {{JSON::Array}}. There are still plenty of dynamic
allocations being made especially from instances of {{JSON::Object}} which hold
a {{std::map}} as a member.
The current approach being adopted is to introduce a {{jsonify}} function which
by-passes these unnecessary dynamic allocations and copying, and to simply hold
references to the underlying objects.
We plan to first introduce the {{jsonify}} function to {{stout}}, and update
master's {{state}} endpoint, then proceed to update the rest of the system.
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