Mailing-List: contact dev-help@aurora.apache.org; run by ezmlm
Precedence: bulk
Reply-To: dev@aurora.apache.org
MIME-Version: 1.0
In-Reply-To: <1466009046.17545.10.camel@apache.org>
References: <CAC2vyCVNJqzq0zt9yUGSWp1yFR3j1cUn-WrAAbGdtYf3p7YABA@mail.gmail.com>
 <1466009046.17545.10.camel@apache.org>
From: Bill Farner <wfarner@apache.org>
Date: Wed, 15 Jun 2016 09:49:25 -0700
Message-ID: <CAFWq12VZYRX5rkdmi=p8bnzVt7eZPa+Q5sDutL_hGUX2MOxbWA@mail.gmail.com>
Subject: Re: [FEEDBACK] Transitioning Aurora leader election to Apache Curator (`-zk_use_curator`)
To: user@aurora.apache.org
Cc: John Sirois <jsirois@apache.org>, dev@aurora.apache.org
Content-Type: multipart/alternative; boundary=94eb2c038da8857f6b053553e79c
archived-at: Wed, 15 Jun 2016 16:49:34 -0000

--94eb2c038da8857f6b053553e79c
Content-Type: text/plain; charset=UTF-8

>
> Assuming we don't run into any roadblocks: How about changing the
> default of `-zk_use_curator` from False to True for the next release?


+1

I believe that was the plan of action, though i can't recall if it was
recorded anywhere more official than the dev list.

On Wed, Jun 15, 2016 at 9:44 AM, Stephan Erb <serb@apache.org> wrote:

> Thanks for doing the follow-up! I'll gradually enable the option on our
> clusters sometime next week and let you know if we hit any issues.
>
> Assuming we don't run into any roadblocks: How about changing the
> default of `-zk_use_curator` from False to True for the next release?
> Then we cane make significant progress with the deprecation while still
> giving operators the possibility to do a  fall-back if necessary.
>
> Cheers,
> Stephan
>
> On Di, 2016-06-14 at 17:43 -0600, John Sirois wrote:
> > I'd like to move forward with https://issues.apache.org/jira/browse/A
> > URORA-1669 asap; ie: removing legacy (Twitter) commons zookeeper
> > libraries used for Aurora leader election in favor of Apache Curator
> > libraries. The change submitted in https://reviews.apache.org/r/46286
> > / is now live in Aurora 0.14.0 and Apache Curator based service
> > discovery can be enabled with the Aurora scheduler flag `-
> > zk_use_curator`.  I'd like feedback from users who enable this
> > option.  If you have a test cluster where you can enable `-
> > zk_use_curator` and exercise leader failure and failover, I'd be
> > grateful.  If you have moved to using this option in production with
> > demonstrable improvements or even maintenance of status quo, I'd also
> > be grateful for this news. If you've found regressions or new bugs,
> > I'd love to know about those as well.
> >
> > Thanks in advance to all those who find time to test this out on real
> > systems!
>

--94eb2c038da8857f6b053553e79c--