[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

Update confirmed ! Thanks ! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717040 Title: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful To manage notifications about this bug go to:

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

This bug was fixed in the package libzstd - 1.3.1+dfsg-1~ubuntu0.16.04.1 --- libzstd (1.3.1+dfsg-1~ubuntu0.16.04.1) xenial; urgency=medium * Backport to xenial (LP: #1717040): - d/compat, d/control: use debhelper 9 since version 10 is only in xenial-backports -

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

I'm told xenial will be handled after 16.04.4 is released. The task is still open, and listed in https://people.canonical.com/~ubuntu-archive /pending-sru.html, and an SRU team member shall pick it up then following the normal SRU workflow. -- You received this bug notification because you are a

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

andreas@nsnx:~$ rmadison -s xenial libzstd libzstd | 0.5.1-1 | xenial/universe | source andreas@nsnx:~$ rmadison -s xenial-updates libzstd andreas@nsnx:~$ rmadison -s xenial-proposed libzstd libzstd | 1.3.1+dfsg-1~ubuntu0.16.04.1 | xenial-proposed/universe | source -- You received this bug

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

This bug was fixed in the package libzstd - 1.3.1+dfsg-1ubuntu0.1 --- libzstd (1.3.1+dfsg-1ubuntu0.1) artful; urgency=medium * d/control: New transitional package libzstd1-dev to facilitate the release upgrade from xenial (LP: #1717040) * d/rules: also run the clean Makefile

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

I believe this completes all testing from the SRU test case. Adjusting tags to reflect that state. ** Tags removed: verification-needed-artful verification-needed-xenial ** Tags added: verification-done-artful verification-done-xenial -- You received this bug notification because you are a

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

RELEASE UPGRADE FROM ARTFUL TO BIONIC - without the transitional package installed: PASS root@artful2bionic:~# dpkg -l|grep zstd ii libzstd-dev1.3.1+dfsg-1ubuntu0.1 amd64fast lossless compression algorithm -- development files ii

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

RELEASE UPGRADE FROM ARTFUL TO BIONIC - with all zstd packages installed PASS root@artful2bionic:~# dpkg -l|grep zstd ii libzstd-dev1.3.1+dfsg-1ubuntu0.1 amd64fast lossless compression algorithm -- development files ii libzstd1

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

RELEASE UPGRADE FROM XENIAL TO ARTFUL - starting with the 1.3.1 dev package in xenial PASS root@xenial2artful:~# dpkg -l|grep zstd ii libzstd0 0.5.1-1 amd64fast lossless compression algorithm ii libzstd1

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

RELEASE UPGRADE FROM XENIAL TO ARTFUL - with libzstd-dev 0.5.1, others at 1.3.1 PASS Starting with the original xenial packages: ubuntu@xenial2artful:~$ dpkg -l|grep zstd ii libzstd-dev 0.5.1-1 amd64fast lossless compression

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

b) artful package upgrade tests - PASS Starting with the original artful packages: dpubuntu@artful-zstd:~$ dpkg -l|grep zstd ii libzstd-dev1.3.1+dfsg-1 amd64fast lossless compression algorithm -- development files ii

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

a) compression tests - artful - PASS starting with the original artful packages: ubuntu@artful-zstd:~$ dpkg -l|grep zstd ii libzstd1 1.3.1+dfsg-1 amd64fast lossless compression algorithm ii zstd

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

b) xenial package upgrade tests - PASS starting with: $ dpkg -l|grep zstd ii libzstd-dev 0.5.1-1 amd64fast lossless compression algorithm -- development files ii libzstd0 0.5.1-1

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

The artful package is stuck in the "new" queue as well, I'll skip the artful tests for now. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717040 Title: Please backport libzstd 1.3.1+dfsg-1

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

I'll post my verification in steps, since the list of checks is long. a) compression tests - xenial - PASS ubuntu@xenial-zstd:~$ zstd /usr/bin/snap -o snap.0.5.1.zst Compressed 17183248 bytes into 4541079 bytes ==> 26.43% ubuntu@xenial-zstd:~$ ll snap.0.5.1.zst -rw-rw-r--

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

I've got an explanation for the "DOWNGRADED" statement : I had ppa:ginggs/backports in my list of ppa. This ppa contains an updated version of zstd. So that's why when applying `apt-get install zstd/xenial-proposed`, it features the "DOWNGRADED" statement. Removing the PPA, and re-installing the

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

I could test `apt-get install zstd/xenial-proposed` today. And it works as intended : library is there and usable, cli works fine too. Just as a little detail, here is the message I'm receiving during installation : ``` The following additional packages will be installed: libzstd1 The

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

It was stuck in the NEW queue, and just approved. Should arrive in the proposed pocket soon. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717040 Title: Please backport libzstd 1.3.1+dfsg-1

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

Yeah, it's not published yet for some reason: https://launchpad.net/ubuntu/+source/libzstd shows this for xenial: " Note: Some binary packages for this source are not yet published in the repository." Same for artful @racb do you know if something is wrong, or is it just the nowadays normal

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

I tried to follow the procedure presented on https://wiki.ubuntu.com/Testing/EnableProposed, but got blocked at this stage : ``` sudo apt-get install zstd/xenial-proposed Reading package lists... Done Building dependency tree Reading state information... Done E: Release 'xenial-proposed'

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

Looks like ubuntustudio uses libzstd via blender -> libopenvdb3.2 -> libblosc1. Seems pretty obscure though - far from the common use case of blender AFAIK. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

Re: [Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

I pinged the SRU team again today. The package was uploaded to proposed but needs SRU approval to actually migrate to it and become available. On Wed, Feb 14, 2018 at 8:41 PM, Yann Collet <1717...@bugs.launchpad.net> wrote: > Is the Xenial patch good to go ? > Or is there any blocker remaining

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

Hello Yann, or anyone else affected, Accepted libzstd into xenial-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/libzstd/1.3.1+dfsg-1~ubuntu0.16.04.1 in a few hours, and then in the -proposed repository. Please help us by testing this new package.

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

@Yann It was in the SRU queue. I've processed that now, so it will build shortly in xenial-proposed and artful-proposed and be published as a proposed update visible to all users. Then there's a seven day testing and aging period. After that, I'll look at the test reports and if all is well we

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

Is the Xenial patch good to go ? Or is there any blocker remaining at this stage ? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717040 Title: Please backport libzstd 1.3.1+dfsg-1 (universe) from

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

This bug was fixed in the package libzstd - 1.3.3+dfsg-1ubuntu1 --- libzstd (1.3.3+dfsg-1ubuntu1) bionic; urgency=medium * d/control: New transitional package libzstd1-dev to facilitate the release upgrade from xenial (LP: #1717040) * d/rules: also run the clean Makefile

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

** Description changed: [Special SRU Notes] The Artful SRU must be published before the Xenial SRU in order to preserve the upgrade path. [Impact]  * libzstd v0.5.1 is an experimental version,    which generates and read an experimental format    incompatible with official

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

** Description changed: + [Special SRU Notes] + + The Artful SRU must be published before the Xenial SRU in order to + preserve the upgrade path. + [Impact]  * libzstd v0.5.1 is an experimental version,    which generates and read an experimental format    incompatible with official

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

xenial apt upgrade test: a) zstd, libzstd0, libzstd-dev installed ubuntu@xenial-zstd-sru-1717040:~$ dpkg-query -W zstd libzstd0 libzstd-dev libzstd-dev 0.5.1-1 libzstd00.5.1-1 zstd0.5.1-1 ubuntu@xenial-zstd-sru-1717040:~$ sudo apt upgrade Reading package lists... Done Building dependency

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

xenial desktop upgrade via notification: Starting with these installed: libzstd-dev 0.5.1-1 libzstd00.5.1-1 zstd0.5.1-1 End result after the gui updated it (see screenshot for the prompt): ii libzstd-dev0.5.1-1 amd64

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

** Also affects: libzstd (Ubuntu Bionic) Importance: Undecided Assignee: Andreas Hasenack (ahasenack) Status: In Progress -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717040 Title:

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

** Merge proposal linked: https://code.launchpad.net/~ahasenack/ubuntu/+source/libzstd/+git/libzstd/+merge/336258 ** Merge proposal linked: https://code.launchpad.net/~ahasenack/ubuntu/+source/libzstd/+git/libzstd/+merge/336259 ** Merge proposal linked:

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

I repeated the tests with the xenial package having the extra "Provides: libzstd-dev" and saw no ill effects. Attaching the new txt files with the details. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

This artful test now includes a release-upgrade run to bionic ** Attachment added: "zstd-artful.txt" https://bugs.launchpad.net/ubuntu/+source/libzstd/+bug/1717040/+attachment/5038388/+files/zstd-artful.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

** Attachment added: "zstd-xenial.txt" https://bugs.launchpad.net/ubuntu/+source/libzstd/+bug/1717040/+attachment/5038387/+files/zstd-xenial.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

I have to retest this. d-shlibmove (why is that needed btw? Never heard of this yet another helper) is complaining the libzstd1-dev has no provides for libzstd-dev. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

** Also affects: libzstd (Ubuntu Artful) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717040 Title: Please backport libzstd 1.3.1+dfsg-1 (universe)

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

** Changed in: libzstd (Ubuntu Artful) Status: New => Confirmed ** Changed in: libzstd (Ubuntu Artful) Status: Confirmed => In Progress ** Changed in: libzstd (Ubuntu Artful) Assignee: (unassigned) => Andreas Hasenack (ahasenack) ** Changed in: libzstd (Ubuntu) Status:

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

** Changed in: libzstd (Ubuntu Zesty) Status: In Progress => Won't Fix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717040 Title: Please backport libzstd 1.3.1+dfsg-1 (universe) from

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

I have some good results. Xenial first, and artful in a subsequent but comment. XENIAL (details in the attached zstd-xenial.txt file): starting with: libzstd-dev 0.5.1-1 libzstd0 0.5.1-1 zstd 0.5.1-1 results in: libzstd-dev 0.5.1-1

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

** Attachment added: "zstd-xenial.txt" https://bugs.launchpad.net/ubuntu/+source/libzstd/+bug/1717040/+attachment/5038187/+files/zstd-xenial.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

** Attachment added: "zstd-artful.txt" https://bugs.launchpad.net/ubuntu/+source/libzstd/+bug/1717040/+attachment/5038189/+files/zstd-artful.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

ARTFUL (details in the attached zstd-artful.txt file): starting with: libzstd-dev 1.3.1+dfsg-1 libzstd1 1.3.1+dfsg-1 zstd 1.3.1+dfsg-1 results in (no big deal): libzstd-dev 1.3.1+dfsg-1ubuntu0.1~ppa2 libzstd1 1.3.1+dfsg-1ubuntu0.1~ppa2 zstd 1.3.1+dfsg-1ubuntu0.1~ppa2

Re: [Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

On Tue, Jan 16, 2018 at 07:37:15PM -, Graham Inggs wrote: > "...an application hardwired to deal with v0.5.x experimental format, if > such a thing exist..." > > @ahasenack: Isn't this precisely we have Ubuntu Backports? I think we're somewhere in the middle. AIUI, virtually nothing else in

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

Yeah, but the backports process is kind of broken and seeing no traction, that's why we are trying an SRU. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717040 Title: Please backport libzstd

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

"...an application hardwired to deal with v0.5.x experimental format, if such a thing exist..." @ahasenack: Isn't this precisely we have Ubuntu Backports? We are saying: here is a new version of this software we have checked that it doesn't break anything in the archive you need to opt-in to

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

Ok, I'll handle it with a new set of packages. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717040 Title: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful To manage notifications

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

I have a feeling that I don't fully grasp all the implied side effects here, so if this process feels safer based on your experience, please go ahead. I don't think the API will be an issue in this upgrade : as stated, all published symbols in v0.5.1 are still published in v1.3.1, so I would

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

How about this: 1. Add transitional packages libzstd1-dev -> libzstd-dev in Artful and Bionic (no Conflicts). 2. Backport what is in Artful, but drop the transitional libzstd1-dev package, rename libzstd-dev to libzstd1-dev and have it Conflicts with libzstd-dev. This will land after Zesty

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

Hi Robie As far as I can tell, it is much more likely that an application expecting zstd >=v1.0.0 will break, most likely at link stage, and maybe at run stage, when provided with v0.5.1 instead. The other way round should be less problematic : applications expecting to work with v0.5.1 should

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

Yann, thank you for the detailed analysis. This is very helpful in giving us confidence in making changes to the stable releases. The addition of a libzstd1, and the update of zstd itself to use it, sounds reasonable to me. An additional thing for Regression Potential though I think? We're

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

Oh, I'm sorry. I can't read the major version number. Never mind! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717040 Title: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful To manage

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

> Note though that newer version contains a compatibility module which makes it able to read data generated by older versions, such as v0.5.1. Any existing document compressed with v0.5.1 will still be readable after update to v1.3.1. Is this statement accidentally backwards? -- You received

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

** Description changed: [Impact]  * libzstd v0.5.1 is an experimental version,    which generates and read an experimental format    incompatible with official libzstd v1+ format.  * Backporting a newer version >= v1.0, such as artful's v1.3.1,    fixes this issue [Test

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

Review on the MPs is complete and it is now sponsored for SRU review in [xenial/zesty]-unapproved. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717040 Title: Please backport libzstd 1.3.1+dfsg-1

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

@ahasenack : yes, completely -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717040 Title: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful To manage notifications about this bug go to:

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

** Merge proposal linked: https://code.launchpad.net/~ahasenack/ubuntu/+source/libzstd/+git/libzstd/+merge/335341 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717040 Title: Please backport

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

** Merge proposal linked: https://code.launchpad.net/~ahasenack/ubuntu/+source/libzstd/+git/libzstd/+merge/335340 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717040 Title: Please backport

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

@cyan4973, may I change your first test case into something that won't involve a download/build/install cycle? I was thinking about just using the 0.5.1 version in xenial to try to decompress the 1.3.1 compressed file I created in the test I just added to the bug description. Something like this:

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

** Description changed: [Impact]  * libzstd v0.5.1 is an experimental version, -which generates and read an experimental format -incompatible with official libzstd v1+ format. +    which generates and read an experimental format +    incompatible with official libzstd v1+ format.

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

Here are test packages for xenial and zesty: https://launchpad.net/~ahasenack/+archive/ubuntu/zstd-backport-1717040/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717040 Title: Please backport

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

Ok, after an analysis done by a core dev (thanks @paelzer!), I have a way forward with this. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717040 Title: Please backport libzstd 1.3.1+dfsg-1

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

Hmm, why did it have to require a newer debhelper... I don't think an SRU can depend on something that's in backports. I will have to read up on "Standards-Version" and debhelper versions to see what I will have to change in the package to build properly with xenial's debhelper (version 9.x). --

Re: [Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

It's my next thing to do On Dec 15, 2017 20:35, "David Britton" wrote: > Hey Yann -- no news. Still in progress. > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1717040 > > Title: >

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

Hey Yann -- no news. Still in progress. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717040 Title: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful To manage notifications about this

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

Any news on this update ? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717040 Title: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful To manage notifications about this bug go to:

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

** Changed in: libzstd (Ubuntu Xenial) Assignee: (unassigned) => Andreas Hasenack (ahasenack) ** Changed in: libzstd (Ubuntu Zesty) Assignee: (unassigned) => Andreas Hasenack (ahasenack) ** Changed in: libzstd (Ubuntu Xenial) Status: New => In Progress ** Changed in: libzstd

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

Multithreading is the main new capability I can think of, and that's probably the one users will miss the most, but there are quite a few more ones, listed on the release page, and in the NEWS document : https://github.com/facebook/zstd/releases https://github.com/facebook/zstd/blob/dev/NEWS#L24

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

It's a justification issue, and also trying to keep the general spirit of *Stable* Release Updates (emphasis mine). What problems would we be fixing by updating zesty's zstd from 1.1.2 to 1.3.1, and if they are worth such an update. If it's just multithreading capability, then I think we can skip

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

I ask because otherwise we have to justify why we would be updating the zesty version (1.1.2) to artful's (1.3.1). -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717040 Title: Please backport

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

Yes, it would be a pretty strong step forward compared to v0.5.1. v1.1.2 is from December 2016 : https://github.com/facebook/zstd/releases/tag/v1.1.2 The main feature developed since then is multithreaded compression. I guess a few users will miss it, but it's a minor setback compared to current

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

Is the zesty version ok? 1.1.2? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717040 Title: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful To manage notifications about this bug go

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

New template updated ** Description changed: [Impact] - * An explanation of the effects of the bug on users and +  * libzstd v0.5.1 is an experimental version, +which generates and read an experimental format +incompatible with official libzstd v1+ format. - * justification

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

** Also affects: libzstd (Ubuntu Xenial) Importance: Undecided Status: New ** Also affects: libzstd (Ubuntu Zesty) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1717040] Re: Please backport libzstd 1.3.1+dfsg-1 (universe) from artful

** Also affects: libzstd (Ubuntu) Importance: Undecided Status: New ** Changed in: libzstd (Ubuntu) Status: New => Confirmed ** No longer affects: libzstd (Ubuntu) ** Project changed: xenial-backports => libzstd (Ubuntu) ** Description changed: + [Impact] + + * An