chibenwa opened a new pull request #442:
URL: https://github.com/apache/james-project/pull/442
MDCBuilder::addContext does an implicit call to Object::toString
We do not want that for two reasons:
- 1. Formatting. For instance ` {"user":"btellier@erugerkuf"} ` instead
of simply `btellier@erugerkuf`.
- 2. Performance.
See the attached flame graphs: James spends ~1.20% of CPU calling
Object::toString which correlate closely to MDCBuilder::addContext.
This crosses the "valuable to optimize" threshold. Especially calls
to MoreObject::toStringHelper(this) are not negligible.
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