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| author | Inada Naoki <songofacandy@gmail.com> | 2021-04-12 05:46:53 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-04-12 05:46:53 (GMT) |
| commit | cc2ffcdfd78df3a18edae60df81b2f1b044b1634 (patch) | |
| tree | 0b93072493e3767357def749f92241822be543c9 /Misc | |
| parent | 553ee2781a37ac9d2068da3e1325a780ca79e21e (diff) | |
| download | cpython-cc2ffcdfd78df3a18edae60df81b2f1b044b1634.zip cpython-cc2ffcdfd78df3a18edae60df81b2f1b044b1634.tar.gz cpython-cc2ffcdfd78df3a18edae60df81b2f1b044b1634.tar.bz2 | |
bpo-43785: Improve BZ2File performance by removing RLock (GH-25299)
Remove `RLock` from `BZ2File`. It makes `BZ2File` to thread unsafe, but
gzip and lzma don't use it too.
Co-authored-by: Gregory P. Smith <greg@krypto.org>
Diffstat (limited to 'Misc')
| -rw-r--r-- | Misc/NEWS.d/next/Library/2021-04-09-14-51-58.bpo-43785.1mM5xE.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Misc/NEWS.d/next/Library/2021-04-09-14-51-58.bpo-43785.1mM5xE.rst b/Misc/NEWS.d/next/Library/2021-04-09-14-51-58.bpo-43785.1mM5xE.rst new file mode 100644 index 0000000..b4ed5e5 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2021-04-09-14-51-58.bpo-43785.1mM5xE.rst @@ -0,0 +1,4 @@ +Improve ``bz2.BZ2File`` performance by removing the RLock from BZ2File. +This makes BZ2File thread unsafe in the face of multiple simultaneous +readers or writers, just like its equivalent classes in :mod:`gzip` and +:mod:`lzma` have always been. Patch by Inada Naoki. |