multiprocessing's default posix start method of 'fork'
is broken: change to ``'forkserver' || 'spawn'` · Issue #84559 · python/cpython (original) (raw)
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Description
BPO | 40379 |
---|---|
Nosy | @pitrou, @mgorny, @Julian, @wimglenn, @applio, @itamarst |
Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.
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GitHub fields:
assignee = None closed_at = None created_at = <Date 2020-04-24.18:22:23.389> labels = ['3.8', 'type-bug', '3.7', '3.9'] title = "multiprocessing's default start method of fork()-without-exec() is broken" updated_at = <Date 2022-02-11.16:13:53.872> user = 'https://bugs.python.org/itamarst'
bugs.python.org fields:
activity = <Date 2022-02-11.16:13:53.872> actor = 'mgorny' assignee = 'none' closed = False closed_date = None closer = None components = [] creation = <Date 2020-04-24.18:22:23.389> creator = 'itamarst' dependencies = [] files = [] hgrepos = [] issue_num = 40379 keywords = [] message_count = 11.0 messages = ['367210', '367211', '368173', '380478', '392358', '392501', '392503', '392506', '392507', '392508', '413081'] nosy_count = 8.0 nosy_names = ['pitrou', 'mgorny', 'Julian', 'wim.glenn', 'itamarst', 'davin', 'itamarst2', 'aduncan'] pr_nums = [] priority = 'normal' resolution = None stage = None status = 'open' superseder = None type = 'behavior' url = 'https://bugs.python.org/issue40379' versions = ['Python 3.5', 'Python 3.6', 'Python 3.7', 'Python 3.8', 'Python 3.9']
Linked PRs
- GH-84559: Deprecate fork being the multiprocessing default. #100618
- gh-84559: skip the test when no multiprocessing (wasm, etc) #101530
- gh-84559: Remove the new multiprocessing warning, too disruptive. #101551
- gh-84559: Change the multiprocessing start method default to forkserver #101556
- gh-84559: gh-103134: Whats new 3.14 entries for multiprocessing. #126697
- gh-84559: multiprocessing: detect if forkserver cannot work due to missing hmac-sha256 #127467
- gh-84559: improve What's New entry for multiprocessing start method changes #128173