Github user asfgit closed the pull request at:
https://github.com/apache/flink/pull/2499
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GitHub user mxm opened a pull request:
https://github.com/apache/flink/pull/2499
[FLINK-4485] close and remove user class loader after job completion
Keeping the user class loader around after job completion may lead to
excessive temp space usage because all user jars are kept un