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Hi,<br>
<br>
Great to hear you're interested in working on this! I work at
Oracle, and might be able to help with questions you have, though I
don't have much in-depth knowledge of cluster. <br>
<br>
Cluster's major versions are based on corresponding MySQL server
versions: 7.2 for 5.5, 7.3 and 7.4 for 5.6, and 7.5 (currently rc)
for 5.7. There's no dependency on MySQL, as cluster is built from
its own source, but there would be conflicts between the binary
packages since cluster is built on top of MySQL.<br>
<br>
Besides that, the main difference would be that actually setting up
cluster to use is significantly more complicated than the basic
server.<br>
<br>
--<br>
Lars<br>
<br>
<div class="moz-cite-prefix">On 07/08/2016 02:30 PM, Viktor Křivák
wrote:<br>
</div>
<blockquote
cite="mid:CAGQ5NcF=5pBTKa-EjOT0L4BjyzbWtHx6y2aBURBgA90JWVLxYg@mail.gmail.com"
type="cite">
<div dir="ltr">Hi,
<div>yes mysql-cluster is official Oracle stuff ( <a
moz-do-not-send="true"
href="https://www.mysql.com/products/cluster/"><a class="moz-txt-link-freetext" href="https://www.mysql.com/products/cluster/">https://www.mysql.com/products/cluster/</a></a>
). It use ndbcluster engine and master-master replication.
They actually have 2 version: free community and supported
with some close source. It's official fork of mysql with some
additional stuffs and they are also binary incompatible
(binlog). Main advantage is 99.999% availability ( Oracle
words not mine ). They also have a little different
versioning. Current version is 7.4.11 and it contain
mysql-server 5.6.29.</div>
<div><br>
</div>
<div>At this moment I've got package for old version with some
start scripts (systemv) but it is work probably only in our
environment. I'm working on last stable version with lots of
improvements. Final goal is that you can install whole cluster
without any deeper knowledge of configuration or start
procedure . So I have to write some scripts that Oracle
probably have in supported version. Also I "steal" some
scripts from standard mysql, because mysqld params are almost
same.</div>
<div><br>
</div>
<div>I ask only because sometimes maintainers team work on they
own solution in private and then refuse others (this happen to
me before on another project). I think this can take a lots of
time and a lots of questions, but when I've got something what
I can show you I send it as soon as possible.</div>
<div><br>
</div>
<div>Regards,</div>
<div>Viktor</div>
<div><br>
</div>
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<div class="gmail_quote">2016-07-08 13:18 GMT+02:00 Otto
Kekäläinen <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:otto@debian.org" target="_blank">otto@debian.org</a>></span>:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex"><span
class="">2016-07-08 13:35 GMT+03:00 Viktor Křivák <<a
moz-do-not-send="true"
href="mailto:viktor.krivak@ultimum.io"><a class="moz-txt-link-abbreviated" href="mailto:viktor.krivak@ultimum.io">viktor.krivak@ultimum.io</a></a>>:<br>
> Hi,<br>
> I'm currently working on package for mysql-cluster.
We used it internally,<br>
> but I think it can be published in official debian
repo. In current status<br>
> its far from being usable by other people. But I
think it is possible to<br>
> make it working.<br>
> Is there any policy or something to prevent package
publishing other than<br>
> quality? I'm asking before I try to comply all
debian package policies<br>
> because they are quite more restrictive then our
internal policies.<br>
> Also is there anyone else who work on this? Oracle
publish their own deb<br>
> package but it is almost same as simple tarball.<br>
> Thanks for any advice.<br>
<br>
</span>Thanks for your interest. We are looking for new
members to the<br>
pkg-mysql-maint team and would be happy to have you
involved in<br>
packaging in general.<br>
<br>
We have already packaged Galera as one package and it was
used at one<br>
time with Percona XtraDB Cluster, and it will be used with
MariaDB<br>
once I get around to package 10.1 or newer that has
built-in Galera<br>
support.<br>
<br>
I don't know if anybody is working on mysql-cluster. That
has a<br>
different system that is not Galera based, right?<br>
<span class="HOEnZb"><font color="#888888"><br>
<br>
<br>
--<br>
Otto Kekäläinen<br>
<a moz-do-not-send="true"
href="https://keybase.io/ottok" rel="noreferrer"
target="_blank">https://keybase.io/ottok</a><br>
Seravo Oy and MariaDB Foundation<br>
</font></span></blockquote>
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