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Date: Mon, 4 Apr 2016 09:32:27 -0700
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Subject: Re: Are we ready to remove the observer?
From: Bill Farner <wfarner@apache.org>
To: dev@aurora.apache.org
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>
> 2) Providing an easy view of a process's command-line
> 3) Providing a holistic view of the task config


Just to check my understanding - these could be trivially handled in
text/log format, right?

On Mon, Apr 4, 2016 at 9:30 AM, Joshua Cohen <jcohen@apache.org> wrote:

> I'm -1 on this until we have an actual replacement for the Observer. I
> think that the observer provides significant value outside of just sandbox
> browsing:
>
> 1) Exporting task-level statistics.
> 2) Providing an easy view of a process's command-line
> 3) Providing a holistic view of the task config
> 4) Real time utilization stats
>
> As a cluster operator, I use all of these features on a daily basis
> (especially when I'm on call) in addition to sandbox browsing, so I don't
> think that these uses cases are that rare.
>
> On Fri, Apr 1, 2016 at 6:55 AM, Steve Niemitz <sniemitz@apache.org> wrote:
>
> > The per-process stats have never been very useful to us (since they don't
> > work for docker), however, even being able to see the processes that are
> > running, how many times they've restarted, when they launched, etc is
> > invaluable.
> >
> > I think there would be big pushback from users if they were to lose the
> > functionality it provided currently (beyond log viewing).
> >
> > On Fri, Apr 1, 2016 at 6:58 AM, Erb, Stephan <
> Stephan.Erb@blue-yonder.com>
> > wrote:
> >
> > > From an operator and Aurora developer perspective, it would be really
> > > great to get rid of the thermos observer quickly.
> > >
> > > However, from a user perspective the usability gap between observer and
> > > plain Mesos sandbox browsing is quite large right now. I agree with
> > > Benjamin here that it would probably work if we generate html pages
> ready
> > > for user consumption.
> > >
> > > These are the relevant tickets in our tracker:
> > > * https://issues.apache.org/jira/browse/AURORA-725
> > > * https://issues.apache.org/jira/browse/AURORA-777
> > >
> > > ________________________________________
> > > From: benley@gmail.com <benley@gmail.com>
> > > Sent: Friday, April 1, 2016 02:35
> > > To: dev@aurora.apache.org
> > > Subject: Re: Are we ready to remove the observer?
> > >
> > > Is there any chance we can keep the per-process cpu and ram utilization
> > > stats?  That's one of the coolest things about aurora, imo.  The
> executor
> > > is already writing those checkpoints inside the mesos sandbox (I
> think?),
> > > so perhaps it could also produce the html pages that the observer
> > currently
> > > renders?
> > >
> > > On Thu, Mar 31, 2016 at 4:33 PM Zhitao Li <zhitaoli.cs@gmail.com>
> wrote:
> > >
> > > > +1.
> > > >
> > > > On Thu, Mar 31, 2016 at 4:11 PM, Bill Farner <wfarner@apache.org>
> > wrote:
> > > >
> > > > > Assuming that the vast majority of utility provided by the observer
> > is
> > > > > sandbox/log browsing - can we remove it and link to sandbox
> browsing
> > > that
> > > > > mesos provides?
> > > > >
> > > > > The rest of the information could be (or already is) logged in the
> > > > sandbox
> > > > > for the rare debugging scenarios that call for it.
> > > > >
> > > >
> > > >
> > > >
> > > > --
> > > > Cheers,
> > > >
> > > > Zhitao Li
> > > >
> > >
> >
>

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