zentol opened a new pull request #6580: [FLINK-10082][metrics][slf4j] Provide initial size to StringBuilder URL: https://github.com/apache/flink/pull/6580 ## What is the purpose of the change Small modification to the `Slf4jReporter` to initialize the used `StringBuilder` with the size of the previous report, to prevent frequent resizing of the backing array. ## Verifying this change This change is a trivial rework / code cleanup without any test coverage.
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