GitHub user dianfu opened a pull request: https://github.com/apache/flink/pull/5036
[FLINK-8106] [cep] Optimize the timer logic in AbstractKeyedCEPPatternOperator ## What is the purpose of the change *This pull request optimize the performance of AbstractKeyedCEPPatternOperator* ## Verifying this change - *Existing tests* ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (no) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (no) - The serializers: (no) - The runtime per-record code paths (performance sensitive): (no) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (no) - The S3 file system connector: (no) ## Documentation - Does this pull request introduce a new feature? (no) - If yes, how is the feature documented? (not applicable) You can merge this pull request into a Git repository by running: $ git pull https://github.com/dianfu/flink optimize_timer_cep Alternatively you can review and apply these changes as the patch at: https://github.com/apache/flink/pull/5036.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #5036 ---- commit 74d432f998afe38ed85ff24481521e5db09805c0 Author: Dian Fu <fudian...@alibaba-inc.com> Date: 2017-11-20T08:20:53Z [FLINK-8106] [cep] Optimize the timer logic in AbstractKeyedCEPPatternOperator ---- ---