python / python/cpython

respect cgroups limits when trying to allocate memory

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3.10 3.8 (EOL) 3.9 (EOL) interpreter-core
Dominant language
Python
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Description

BPO 42411
Nosy @tiran, @asvetlov

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 2020-11-19.17:18:10.358>
labels = ['interpreter-core', '3.8', '3.9', '3.10']
title = 'respect cgroups limits when trying to allocate memory'
updated_at = <Date 2021-11-09.18:08:57.680>
user = 'https://bugs.python.org/caarlos0'

bugs.python.org fields:

activity = <Date 2021-11-09.18:08:57.680>
actor = 'caleb2'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Interpreter Core']
creation = <Date 2020-11-19.17:18:10.358>
creator = 'caarlos0'
dependencies = []
files = []
hgrepos = []
issue_num = 42411
keywords = []
message_count = 11.0
messages = ['381442', '381494', '381495', '381497', '381498', '381499', '381500', '381502', '381504', '382405', '406037']
nosy_count = 4.0
nosy_names = ['christian.heimes', 'asvetlov', 'caarlos0', 'caleb2']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = None
url = 'https://bugs.python.org/issue42411'
versions = ['Python 3.8', 'Python 3.9', 'Python 3.10']

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No files or tests are named. Start by investigating the CPython Interpreter Core memory-allocation paths and how cgroups limits are exposed, then identify a focused reproduction under a constrained cgroup. Done means allocation attempts respect the applicable cgroups memory limit.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
operating-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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