Re: [ntfs-3g-devel] Stable NTFS-3G + NTFSPROGS 2021.8.22 Released

[Pascal <pat...@gm...>]

very good news :-)
congratulations and encouragement to all those who work around NTFS-3G.
regards, lacsaP.

Le lun. 30 août 2021 à 20:11, Jean-Pierre André <
jea...@wa...> a écrit :

> Greetings,
>
> Main topics:
>
>    - New stable release
>    - Security advisory
>    - Project moved to GitHub
>    - Performance notes
>
> The new stable release of NTFS-3G and ntfsprogs is available which
> includes important security fixes. The security advisory is available at
>
> https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jp
>
> The NTFS-3G project globally aims at providing a stable NTFS driver. The
> project's advanced branch has specifically aimed at developing,
> maturing, and releasing features for user feedback prior to feature
> integration into the project's main branch.
>
> The parallel existence of both a stable and advanced variant maintained
> across several locations has caused some confusion. In particular, the
> Linux distributions observed different policies in selecting which
> version they use for their packaging. That led to users questioning the
> differences between features, and to additional challenges in providing
> support.
>
> We've decided to merge the two projects and maintain a single repository
> for source code and documentation on GitHub. As the projects have always
> remained in close contact, this will cause no discontinuity in the
> released features, while enabling smoother support. The former
> repository on Sourceforge will be discontinued after a grace period, to
> allow users time to adapt to the project's new state. Please use
> GitHub's infrastructure for issue submission and release notification.
>
> There have been some reports about very slow performance. Performance is
> a complex topic and NTFS-3G always aimed for stability, interoperability
> and portability over performance. Having said that, we did some
> investigation and benchmarking. What we have found are
>
> 1. Some distributions use an older and slower version of NTFS-3G.
>
> 2. The "big_writes" mount option is not used. This option can increase
>  >4kB IO block size write speed by 2-8 times. File transfers typically
> use 128kB which usually give a 3-4 times speed improvement. The option
> is safe to use and we plan to enable it by default in the next stable
> release.
>
> 3. Incorrect interpretation of benchmark results. For example in a
> recent public case the total runtime was completely distorted by an
> irrelevant test case hereby a wrong conclusion was made, namely NTFS-3G
> was thought to be over 4 times slower instead of 21% faster. More about
> this soon on linux-fsdevel.
>
> In our file transfer benchmarks we have found NTFS-3G read and write
> speed was 15-20% less compared to ext4. Read was 3.4 GB/s versus 2.8
> GB/s, and write was 1.3 GB/s vs 1.1 GB/s. Nevertheless, different
> benchmarks can give different results.
>
> The new release can be downloaded from
>
>      https://github.com/tuxera/ntfs-3g/releases/tag/2021.8.22
>
> Changelog is available at
>
>      https://github.com/tuxera/ntfs-3g/wiki/NTFS-3G-Release-History
>
> Many thanks to Rakesh Pandit, Jussi Hietanen, Erik Larsson, Szabolcs
> Szakacsits and many Tuxerians for their contributions to this release
> and to the migration to GitHub.
>
> We also want to add special thanks to Jeremy Galindo, Akshay Ajayan,
> Kyle Zeng and Fish Wang, whose analyses were of great help in improving
> the security of the code.
>
> With best regards,
>
> Jean-Pierre & Tuxera Open Source Team
>
>
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