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lzma module very slow with line-oriented reading. #62203

@MichaelFox

Description

@MichaelFox
BPO 18003
Nosy @rhettinger, @pitrou, @vstinner, @larryhastings, @merwok, @vadmium, @serhiy-storchaka
Files
  • decomp-optim.patch
  • decomp-optim.v2.patch
  • decomp-optim.v3.patch
  • decomp-optim.v4.patch
  • 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/serhiy-storchaka'
    closed_at = None
    created_at = <Date 2013-05-17.22:27:24.084>
    labels = ['library', 'performance']
    title = 'lzma module very slow with line-oriented reading.'
    updated_at = <Date 2015-06-10.03:07:25.210>
    user = 'https://bugs.python.org/MichaelFox'

    bugs.python.org fields:

    activity = <Date 2015-06-10.03:07:25.210>
    actor = 'martin.panter'
    assignee = 'serhiy.storchaka'
    closed = False
    closed_date = None
    closer = None
    components = ['Library (Lib)']
    creation = <Date 2013-05-17.22:27:24.084>
    creator = 'Michael.Fox'
    dependencies = []
    files = ['39586', '39604', '39640', '39662']
    hgrepos = []
    issue_num = 18003
    keywords = ['patch']
    message_count = 44.0
    messages = ['189488', '189542', '189550', '189552', '189553', '189567', '189568', '189575', '189592', '189605', '189611', '189616', '189665', '189668', '189675', '189676', '189679', '189680', '189922', '198144', '198146', '198160', '198161', '233870', '244582', '244691', '244696', '244698', '244702', '244729', '244734', '244735', '244738', '244739', '244904', '244909', '244967', '244969', '245064', '245066', '245067', '245090', '245096', '245107']
    nosy_count = 10.0
    nosy_names = ['rhettinger', 'pitrou', 'vstinner', 'larry', 'nadeem.vawda', 'eric.araujo', 'Arfrever', 'martin.panter', 'serhiy.storchaka', 'Michael.Fox']
    pr_nums = []
    priority = 'normal'
    resolution = None
    stage = 'patch review'
    status = 'open'
    superseder = None
    type = 'performance'
    url = 'https://bugs.python.org/issue18003'
    versions = ['Python 3.6']

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    pendingThe issue will be closed if no feedback is providedperformancePerformance or resource usagestdlibStandard Library Python modules in the Lib/ directory

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