pmcgleenon commented on issue #16643:
URL: https://github.com/apache/datafusion/issues/16643#issuecomment-3149487954

   I'm seeing frequent Out of Memory errors when running Clickbench against 
datafusion `49.0.0` on the instance type `c6a.xlarge` (8GB RAM).   It does seem 
to be intermittent, for example if I run Q19 several times it might pass once 
and OOM twice.
   
   I see this on both single and partitioned tests.
   
   Looking at the current results for Clickbench, there are also null results 
reported - which happens on OOM
   - Q19 partitioned 
https://github.com/ClickHouse/ClickBench/blob/main/datafusion-partitioned/results/c6a.xlarge.json#L30
   - Q33 partitioned 
https://github.com/ClickHouse/ClickBench/blob/main/datafusion-partitioned/results/c6a.xlarge.json#L44
   
   @Omega359 @alamb  is this a known issue?


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