0x0L commented on issue #47266:
URL: https://github.com/apache/arrow/issues/47266#issuecomment-3370958770
Maybe related
```python
import os
import psutil
import numpy as np
import pyarrow as pa
n = 10_000_000
tbl = pa.table({"a": np.arange(n)})
proc = psutil.Process(os.getpid())
while True:
tbl.to_pandas()
print(f"{proc.memory_info().rss / 1024**3:.2f} GB")
```
20.0.0 is ok, 21.0.0 leaks. The leak slows down a bit a some point. Using
the `jemalloc` allocator mitigates the issue
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