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concurrent.futures.ProcessPoolExecutor can deadlock when tcmalloc is used #90622

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gpshead
Labels
3.10only security fixes3.11only security fixes3.9 (EOL)end of lifeperformancePerformance or resource usagestdlibStandard Library Python modules in the Lib/ directory
@yilei

Description

@yilei
mannequin
BPO46464
Nosy@gpshead,@pitrou,@methane,@yilei
PRs
  • gh-90622: Prevent concurrent.futures.process deadlock due to fork() after spawning a thread. #30847
  • 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='https://github.com/gpshead'closed_at=Nonecreated_at=<Date2022-01-21.23:32:53.148>labels= ['3.11','library','3.9','3.10','performance']title='concurrent.futures.ProcessPoolExecutor can deadlock when tcmalloc is used'updated_at=<Date2022-01-25.11:06:46.406>user='https://github.com/yilei'

    bugs.python.org fields:

    activity=<Date2022-01-25.11:06:46.406>actor='pitrou'assignee='gregory.p.smith'closed=Falseclosed_date=Nonecloser=Nonecomponents= ['Library (Lib)']creation=<Date2022-01-21.23:32:53.148>creator='yilei'dependencies= []files= []hgrepos= []issue_num=46464keywords= ['patch','3.9regression']message_count=7.0messages= ['411208','411213','411451','411543','411544','411545','411574']nosy_count=4.0nosy_names= ['gregory.p.smith','pitrou','methane','yilei']pr_nums= ['30847']priority='normal'resolution=Nonestage='patch review'status='open'superseder=Nonetype='resource usage'url='https://bugs.python.org/issue46464'versions= ['Python 3.9','Python 3.10','Python 3.11']

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    3.10only security fixes3.11only security fixes3.9 (EOL)end of lifeperformancePerformance or resource usagestdlibStandard Library Python modules in the Lib/ directory

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