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Reduced the garbage collection frequency in runtests.py.

This commit is contained in:
Adam Johnson 2021-03-17 15:23:04 +00:00 committed by Mariusz Felisiak
parent 9760e262f8
commit b8bb9e1549
1 changed files with 8 additions and 0 deletions
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8
tests/runtests.py
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@ -2,6 +2,7 @@
import argparse
import atexit
import copy
import gc
import os
import shutil
import socket
@ -53,6 +54,13 @@ warnings.filterwarnings(
category=RemovedInDjango41Warning,
)
# Reduce garbage collection frequency to improve performance. Since CPython
# uses refcounting, garbage collection only collects objects with cyclic
# references, which are a minority, so the garbage collection threshold can be
# larger than the default threshold of 700 allocations + deallocations without
# much increase in memory usage.
gc.set_threshold(100_000)
RUNTESTS_DIR = os.path.abspath(os.path.dirname(__file__))
TEMPLATE_DIR = os.path.join(RUNTESTS_DIR, 'templates')