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https://issues.apache.org/jira/browse/ARROW-9552?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Lamb reopened ARROW-9552:
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> [Rust] [DataFusion] Implement metrics framework
> -----------------------------------------------
>
> Key: ARROW-9552
> URL: https://issues.apache.org/jira/browse/ARROW-9552
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Rust, Rust - DataFusion
> Reporter: Andy Grove
> Priority: Major
>
> It is important for users to be able to debug query performance and each
> operator is capable of collecting important metrics, like # of input and
> output batches and rows, as well as elapsed time spent doing different types
> of processing.
> We should design traits for metrics reporting so that other projects using
> DataFusion can access these metrics and make them available for users to see.
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