zhengruifeng commented on code in PR #38468:
URL: https://github.com/apache/spark/pull/38468#discussion_r1018684111
##########
python/pyspark/sql/connect/client.py:
##########
@@ -400,6 +400,14 @@ def _execute_and_fetch(self, req: pb2.Request) ->
typing.Optional[pandas.DataFra
if len(result_dfs) > 0:
df = pd.concat(result_dfs)
+ del result_dfs
Review Comment:
just want to release the buffer asap, maybe not needed
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