Amazon EMR 7.5.0 - Tez release notes - Amazon EMR
Tez changes
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Amazon EMR 7.5.0 - Tez release notes

Amazon EMR 7.5.0 - Tez changes

Type Description
Improvement Enabled preemption of task by default
Improvement Increased number of record readers to asynchronously and proactively init to 10
Improvement TEZ-4580: Slow preemption of new containers when re-use is enabled