Sten Larsson stenlarsson
stenlarsson
/ dtruss.log
Last active
April 21, 2022 08:12
sudo dtruss -b 100m $(rbenv which ruby) arrow-test.rb 2> dtruss.log
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| SYSCALL(args) = return | |
| access("/AppleInternal/XBS/.isChrooted\0", 0x0, 0x0) = -1 Err#2 | |
| bsdthread_register(0x1A9945084, 0x1A9945078, 0x4000) = 1073742303 0 | |
| shm_open(0x1A9809F5D, 0x0, 0x6E6F6973) = 3 0 | |
| fstat64(0x3, 0x16B3417A0, 0x0) = 0 0 | |
| mmap(0x0, 0x4000, 0x1, 0x40001, 0x3, 0x0) = 0x104BD0000 0 | |
| close(0x3) = 0 0 | |
| ioctl(0x2, 0x4004667A, 0x16B34184C) = -1 Err#25 | |
| ioctl(0x2, 0x40487413, 0x16B341850) = -1 Err#25 | |
| mprotect(0x104BDC000, 0x4000, 0x0) = 0 0 |
stenlarsson
/ arrow_memory_leak.py
Last active
May 24, 2022 12:00
arrow_test_csv.rb creates a CSV with random data used by arrow_memory_leak.rb
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| import gc | |
| import resource | |
| from pyarrow import csv | |
| import sys | |
| def print_stats(): | |
| gc.collect() | |
| print(f'{sys.getrefcount(object)} objects, {resource.getrusage(resource.RUSAGE_SELF).ru_maxrss / (1024*1024)} MB') | |
| def main(): |