Michael Park created MESOS-4566:
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Summary: Avoid unnecessary temporary `std::string` constructions
and copies in `jsonify`.
Key: MESOS-4566
URL: https://issues.apache.org/jira/browse/MESOS-4566
Project: Mesos
Issue Type: Improvement
Components: stout
Reporter: Michael Park
Assignee: Michael Park
A few of the critical code paths in {{jsonify}} involve unnecessary temporary
string construction and copies (inherited from the {{JSON::*}}). For example,
{{strings::trim}} is used to remove trailing 0s from printing {{double}}s. We
print {{double}}s a lot, and therefore constructing a temporary {{std::string}}
on printing of every double is extremely costly. This ticket captures the work
involved in avoiding them.
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