Github user EronWright commented on the issue:
https://github.com/apache/flink/pull/4415
@tillrohrmann @zentol the whole reason for the static field is to allow the
various sites that call GlobalConfiguration.loadConfiguration to obtain the
dynamic properties. Any property could be overridden. Since there are many,
many such sites, this patch causes a potential regression.
Is there a driving rationale for this aside from a general dislike for
statics?
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