Closed by commit rHGb2e41723f886: run-tests: restrict Rust thread pool to 3 threads during tests (authored by Alphare). This revision was automatically updated to reflect the committed changes. This revision was not accepted when it landed; it landed in state "Needs Review".
CHANGED PRIOR TO COMMIT https://phab.mercurial-scm.org/D8270?vs=20663&id=20711#toc REPOSITORY rHG Mercurial CHANGES SINCE LAST UPDATE https://phab.mercurial-scm.org/D8270?vs=20663&id=20711 CHANGES SINCE LAST ACTION https://phab.mercurial-scm.org/D8270/new/ REVISION DETAIL https://phab.mercurial-scm.org/D8270 AFFECTED FILES tests/run-tests.py CHANGE DETAILS diff --git a/tests/run-tests.py b/tests/run-tests.py --- a/tests/run-tests.py +++ b/tests/run-tests.py @@ -2995,6 +2995,12 @@ # we do the randomness ourself to know what seed is used os.environ['PYTHONHASHSEED'] = str(random.getrandbits(32)) + # Rayon (Rust crate for multi-threading) will use all logical CPU cores + # by default, causing thrashing on high-cpu-count systems. + # Setting its limit to 3 during tests should still let us uncover + # multi-threading bugs while keeping the thrashing reasonable. + os.environ.setdefault("RAYON_NUM_THREADS", "3") + if self.options.tmpdir: self.options.keep_tmpdir = True tmpdir = _sys2bytes(self.options.tmpdir) To: Alphare, #hg-reviewers, durin42, marmoute Cc: marmoute, durin42, pulkit, mercurial-devel _______________________________________________ Mercurial-devel mailing list Mercurial-devel@mercurial-scm.org https://www.mercurial-scm.org/mailman/listinfo/mercurial-devel
