[issue27199] TarFile expose copyfileobj bufsize to improve throughput

Łukasz Langa added the comment: Thanks for the patch! -- resolution: -> fixed status: open -> closed ___ Python tracker ___

[issue27199] TarFile expose copyfileobj bufsize to improve throughput

Roundup Robot added the comment: New changeset 0bac85e355b5 by Łukasz Langa in branch 'default': Issue #27199: TarFile expose copyfileobj bufsize to improve throughput https://hg.python.org/cpython/rev/0bac85e355b5 -- nosy: +python-dev ___ Python

[issue27199] TarFile expose copyfileobj bufsize to improve throughput

Changes by Łukasz Langa : -- nosy: +lars.gustaebel ___ Python tracker ___ ___

[issue27199] TarFile expose copyfileobj bufsize to improve throughput

Łukasz Langa added the comment: New feature -> 3.6. -- assignee: -> lukasz.langa stage: -> patch review versions: +Python 3.6 -Python 3.5 ___ Python tracker

[issue27199] TarFile expose copyfileobj bufsize to improve throughput

Changes by Jason Fried : -- keywords: +patch Added file: http://bugs.python.org/file43159/copybufsize.patch ___ Python tracker ___

[issue27199] TarFile expose copyfileobj bufsize to improve throughput

New submission from Jason Fried: The default of 16k while good for memory usage it is not well suited for all cases. if we increased this to 4MB we saw a pretty large improvement to tar file creation and extraction on linux servers. For a 1gb tar file containing 1024 random files each of 10MB