zhuzhurk commented on issue #10264: [FLINK-14811][runtime] Replace Java Streams in input check methods with for-loops URL: https://github.com/apache/flink/pull/10264#issuecomment-555925209 > Thanks for opening this @zhuzhurk ! The purpose sounds reasonable to me. Is there a benchmark report for this improvement? It's about 2x speed up if the job scale is large. see [this discussion](https://issues.apache.org/jira/browse/FLINK-14735?focusedCommentId=16974209&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16974209). It's also suggested in the [flink code style guide](https://flink.apache.org/contributing/code-style-and-quality-java.html).
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