Memory Leak with rolling quantile #21965
Labels
Bug
Performance
Memory or execution speed performance
Reshaping
Concat, Merge/Join, Stack/Unstack, Explode
Window
rolling, ewma, expanding
Milestone
Code Sample
Problem description
Rolling quantile leaks memory with quantiles within
(0,1)
Related Code
pandas/pandas/core/window.py
Line 1340 in 537b65c
pandas/pandas/_libs/window.pyx
Line 1376 in 8e51fd3
The leak should be in
roll_quantile
cython code. I could not trace it withobjgraph
.I believe a free for
skiplist
is missing.Program Output
Expected
Actual
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