Mailing-List: contact user-help@zookeeper.apache.org; run by ezmlm
Precedence: bulk
Reply-To: user@zookeeper.apache.org
Received-SPF: pass (athena.apache.org: domain of shralex@gmail.com designates
 209.85.213.45 as permitted sender)
MIME-Version: 1.0
In-Reply-To: <etPan.546139bf.431bd7b7.6a75@Jordans-MacBook-Pro.local>
References: <etPan.5460e033.140e0f76.6a75@Jordans-MacBook-Pro.local>
 <CAD=ttqTvr3a512cwAa4CMpA-iJV8GV4+=eJ4gLHSdKDUoXC2OA@mail.gmail.com>
 <CANcXBFM+Zj3fsR5qt_0mS7BymJedrmC33Vp4-iPcxLwi6-C0gQ@mail.gmail.com>
 <etPan.546139bf.431bd7b7.6a75@Jordans-MacBook-Pro.local>
From: Alexander Shraer <shralex@gmail.com>
Date: Mon, 10 Nov 2014 14:34:27 -0800
Message-ID: 
 <CANcXBFMCr7DEGocBZUjvhYzv6LrZV7gZxhJmS6oiMvXzrYjqxQ@mail.gmail.com>
Subject: Re: NewConfigNoQuorum?
To: Jordan Zimmerman <jordan@jordanzimmerman.com>
Cc: "user@zookeeper.apache.org" <user@zookeeper.apache.org>
Content-Type: multipart/alternative; boundary=001a1132f4ba1a4a7d050788c517

--001a1132f4ba1a4a7d050788c517
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

Not sure. If you know how long state copying & syncing should take then you
could wait for that
time, retry and then throw it back if it still doesn't work.

On Mon, Nov 10, 2014 at 2:18 PM, Jordan Zimmerman <
jordan@jordanzimmerman.com> wrote:

> So, what=E2=80=99s the correct way to handle the exception? Should Curato=
r throw
> it back to the user or retry?
>
> -JZ
>
>
> On November 10, 2014 at 5:14:26 PM, Alexander Shraer (shralex@gmail.com)
> wrote:
>
> This happens if you're trying to reconfigure to a new configuration S' bu=
t
> there is no quorum of S' connected
> and synced with the current leader. This could be either transient or mor=
e
> serious, depends...
> For example it could be the case that you are trying to add a few servers
> and there is a lot of state so
> syncing isn't complete yet and you just need to retry later. On the other
> hand it could be that S' includes
> servers that have crashed or don't exist, so retrying won't help.
>
> On Mon, Nov 10, 2014 at 8:54 AM, Ivan Kelly <ivank@apache.org> wrote:
>
> > Isn't this a transient error that occurs while the cluster is
> > reconfiguring? Seems to me that a retry would be correct.
> >
> > -Ivan
> >
> > On 10 November 2014 16:56, Jordan Zimmerman <jordan@jordanzimmerman.com=
>
>
> > wrote:
> > > In Alexander=E2=80=99s ZK meetup talk, he mentioned a new exception:
> > NewConfigNoQuorum. How should Curator handle this? Should the reconfig
> > operation just be retried when this is thrown or does it imply a deeper
> > problem?
> > >
> > > -Jordan
> > >
> > >
> >
>
>

--001a1132f4ba1a4a7d050788c517--