Thanks, that makes sense! In addition, I've just found the reason for this in the code:
This is 1.5 (default value is 2000L): https://github.com/apache/flink/blob/release-1.5/flink-core/src/main/java/org/apache/flink/configuration/MetricOptions.java#L109 This is 1.9 (default value is 0L) https://github.com/apache/flink/blob/272fccf44fd92fc9a2c7fa7465b2fcc430842427/flink-core/src/main/java/org/apache/flink/configuration/MetricOptions.java#L115 -- Sent from: http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/
