Github user jacques-n commented on the pull request:
https://github.com/apache/drill/commit/5cd991628b79f64b681f1eb18deb5858b4264774#commitcomment-12528627
In common/src/main/java/org/apache/drill/common/config/DrillConfig.java:
In common/src/main/java/org/apache/drill/common/config/DrillConfig.java on
line 68:
My main thought was that we already suffer from slow startup. This looks
like a non-trivial chunk of effort. I'm guessing this call renders a giant
JSON blog. You right that it is only once (although in testing that is
actually once per test). I'm inclined to use this type of guarding if it is
frequent or if it is non-trivial.
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