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https://issues.apache.org/jira/browse/FLINK-10082?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-10082:
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Labels: pull-request-available (was: )
> Initialize StringBuilder in Slf4jReporter with estimated size
> -------------------------------------------------------------
>
> Key: FLINK-10082
> URL: https://issues.apache.org/jira/browse/FLINK-10082
> Project: Flink
> Issue Type: Improvement
> Components: Metrics
> Affects Versions: 1.5.2, 1.6.0
> Reporter: Chesnay Schepler
> Assignee: Chesnay Schepler
> Priority: Major
> Labels: pull-request-available
>
> The {{Slf4jReporter}} uses a StringBuilder to generate the report that is
> later logged. Currently we don't pass the initial size, which for large
> deployments can result in frequent resizing of the backing array.
> We could either estimate the expected size based on the # of metrics, or
> store the size of the last report (given that the total metrics space is
> fairly constant).
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