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Data Engineering
Join discussions on data engineering best practices, architectures, and optimization strategies within the Databricks Community. Exchange insights and solutions with fellow data engineers.
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Anonymous
by Not applicable
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Resolved! Tuning shuffle partitions

Is the best practice for tuning shuffle partitions to have the config "autoOptimizeShuffle.enabled" on? I see it is not switched on by default. Why is that?

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sajith_appukutt
Honored Contributor II
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 AQE (enabled by default from 7.3 LTS + onwards) adjusts the shuffle partition number automatically at each stage of the query, based on the size of the map-side shuffle output. So as data size grows or shrinks over different stages, the task size wi...

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