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https://issues.apache.org/jira/browse/FLINK-2973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14990564#comment-14990564
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Suneel Marthi commented on FLINK-2973:
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Another option to consider would be Metrics which is Apache 2 license
http://metrics.dropwizard.io/3.1.0/
https://github.com/dropwizard/metrics
> Remove OpenJDK JMH dependency from flink-benchmark
> --------------------------------------------------
>
> Key: FLINK-2973
> URL: https://issues.apache.org/jira/browse/FLINK-2973
> Project: Flink
> Issue Type: Task
> Affects Versions: 1.0
> Reporter: Fabian Hueske
> Assignee: Suneel Marthi
> Priority: Blocker
> Fix For: 1.0
>
>
> We recently created the Maven module {{flink-benchmark}} for micro-benchmarks
> and ported most of the existing micro-benchmarks to the Java benchmarking
> framework JMH. However, JMH is part of OpenJDK and under GPL license which is
> not compatible with the AL2.
> Consequently, we need to remove this dependency and either revert the porting
> commits or port the benchmarks to another benchmarking framework. An
> alternative could be [Google's Caliper|https://github.com/google/caliper]
> library which is under AL2.
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