NicoK opened a new pull request #8884: [FLINK-12981][metrics] ignore NaNs in percentile implementation URL: https://github.com/apache/flink/pull/8884 ## What is the purpose of the change Histogram metrics report `long` values and therefore, there is no `Double.NaN` in `DescriptiveStatistics`' data and there is no need to cleanse it while working with it. Please note that this PR is based on #8877. ## Brief change log - set a percentile implementation with ' NaNStrategy.FIXED' ## Verifying this change This change is already covered by existing tests, such as derivatives of `AbstractHistogramTest`. ## 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? **JavaDocs**
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