Great, thanks for the update !

Regards
JB

On 01/04/2016 10:59 AM, Martyn Taylor wrote:
All,

Re: The legal issues with the use of LibAIO.

The response from apache-legal is that the use of LibAIO in the context
of Apache Artemis is OK and does not pose any legal concerns.  I realise
there is an on going side discussion regarding legal documentation and
perhaps contradictions between legal stances on Artemis and other
projects.  But, given we've had the OK from several board members, I am
keen to go ahead and cut the next RC.

The legal discussion thread can be found here:
https://mail-archives.apache.org/mod_mbox/www-legal-discuss/201512.mbox/%3c567bddc1.8060...@redhat.com%3E


The next RC will have addressed the issues with binary inclusions in the
src release and also the great usability feedback provided by Claus
Ibsen.  It should be with you very soon.

Regards
Martyn

On 24/12/15 12:01, Martyn Taylor wrote:
I have sent an email to the legal-discuss describing the issue. Please
follow the thread at the legal-discuss list.

On 24/12/15 11:15, Martyn Taylor wrote:
I do not see what the issue is here.  We are not *distributing* any
LGPL licensed library.  We simply use it, if it is available. As
Hiram said, how does this differ from relying on bash or win32?

To quote the legal docs: http://www.apache.org/legal/resolved.html

""
CAN APACHE PROJECTS RELY ON COMPONENTS UNDER PROHIBITED LICENSES?¶
<http://www.apache.org/legal/resolved.html#prohibited>

Apache projects cannot distribute any such components. As with the
previous question on platforms, the component can be relied on if the
component's licence terms do not affect the Apache product's
licensing. For example, using a GPL'ed tool during the build is OK.
""

I'd prefer not to require a CLI option that requires a user to
proactively enable the use of libaio.  The ASYNCIO journal is what we
recommend, and one of the main reasons we get such good performance
on persisted messages, for this reason it should be default.  I agree
with Hiram in that changing the defaults would hinder user
experience, as the default configuration is now considerably slower.
Out of the box configuration should in my opinion be as close to
optimum as we can.  Having a user read the documentation, understand
what ASYNCIO is, what benefits it has and then make a decision to
enable it, is more effort.

Rather than go around in circles arguing whether this is against
licensing policy or not, I will fire an email to legal now and get a
definitive answer.

Regards
Martyn

On 23/12/15 21:12, Hiram Chirino wrote:
I think the binary distro uses the libaio.so if it's installed in your
system.  Since it's optional, the broker should still start up fine
even if libaio is not installed, but it wont get used either.

On Wed, Dec 23, 2015 at 4:05 PM, Daniel Kulp <dk...@apache.org> wrote:
Question: If I grab Artemis 1.1.0 tarbal/zip and start up the
broker “out of the box”, does it use libaio or not?  If I
specifically have to configure something (pass a flag, edit a
config file, etc…) to enable use if the LGPL library, then fine.
However, if it’s something that occurs completely automatically
without the user even knowing that it’s occurring, then I have a
major problem with it.  It needs to be something that the user has
to explicitly CHOOSE to use.

Dan



On Dec 23, 2015, at 2:02 PM, Clebert Suconic
<clebert.suco...@gmail.com> wrote:

also, there has also been questions about it during the donation
process.. licenses reviewed.. etc.. so I don't think we need to
open a
new discussions over this. the binary inclusion on the source was
something that was fixed now.

The dependency on libaio on the C code is through through dynamic
linked library, and is the same as any C code depending on libc or
gcc.

On Wed, Dec 23, 2015 at 1:58 PM, Clebert Suconic
<clebert.suco...@gmail.com> wrote:
On Wed, Dec 23, 2015 at 1:55 PM, John D. Ament
<johndam...@apache.org> wrote:
Just wondering, does anyone plan to raise the LGPL question w/
legal
discuss?  If we're waiting for the new year to do the next
release, would
be good to at least start the discussion.

We had such discussion long ago with legal. I couldn't find that
email
on my inbox but we specifically asked questions about it. We were ok
as I remember. Maybe someone else (Martyn?) will have it on their
inboxes. For that reason I don't want to go over the same issue
we had
asked before.

The use of libaio is optional anyways and the system works as
expected. what also covers other questions we had here on this
thread.


--
Clebert Suconic
--
Daniel Kulp
dk...@apache.org - http://dankulp.com/blog
Talend Community Coder - http://coders.talend.com








--
Jean-Baptiste Onofré
jbono...@apache.org
http://blog.nanthrax.net
Talend - http://www.talend.com

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