Github user asfgit closed the pull request at:
https://github.com/apache/spark/pull/15023
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GitHub user AnthonyTruchet opened a pull request:
https://github.com/apache/spark/pull/15023
Backport [SPARK-5847] Allow for configuring MetricsSystem's prefix
This is a backport of #14270. Because the spark.internal.config system
does not exists in branch 1.6, a simpler
