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Add partial aggregation specific metrics #11376

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lukasz-stec opened this issue Mar 8, 2022 · 0 comments

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lukasz-stec commented Mar 8, 2022

For HashAggregationOperator for partial sep It would be great to collect metrics:

how many pages were processed via skip aggregation builder
how many flushes there were for PA.
average row count per flush

This can be returned via io.trino.operator.OperatorContext#setLatestMetrics

lukasz-stec mentioned this issue

Make partial aggregation adaptive #11011

Merged

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