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From David Capwell <dcapw...@gmail.com>
Subject Re: Running dag run doesn't schedule task
Date Mon, 19 Mar 2018 16:10:51 GMT
The major reason we have been waiting was mostly because 1.8.2 and 1.9 are
backwards incompatible (don't remember off the top of my head but one
operator broke important so everything failed for us), so neglected doing
the work to support both versions (need to support both since different
teams move at different rates).

We need to do this anyways (frozen in time is very bad).

On Mon, Mar 19, 2018, 1:47 AM Driesprong, Fokko <fokko@driesprong.frl>
wrote:

> Hi David,
>
> First I would update to Apache Airflow 1.9.0, there have been a lot of
> fixes between 1.8.2 and 1.9.0. Just to see if the bug is still in there.
>
> Cheers, Fokko
>
> 2018-03-18 19:41 GMT+01:00 David Capwell <dcapwell@gmail.com>:
>
> > Thanks for the reply
> >
> > Our script doesn't set it so should be off; the process does not normally
> > restart (monitoring has a counter for number of restarts since deploy,
> > currently as 0)
> >
> > At the point in time the UI showed the upstream tasks as green (success);
> > we manually ran tasks so no longer in the same state, so can't check UI
> > right now
> >
> > On Sun, Mar 18, 2018, 11:34 AM Bolke de Bruin <bdbruin@gmail.com> wrote:
> >
> > > Are you running with num_runs? If so disable it. We have seen this
> > > behavior with num_runs. Also you can find out by clicking on the task
> if
> > > there is a dependency issue.
> > >
> > > B.
> > >
> > > Verstuurd vanaf mijn iPad
> > >
> > > > Op 18 mrt. 2018 om 19:08 heeft David Capwell <dcapwell@gmail.com>
> het
> > > volgende geschreven:
> > > >
> > > > We just started seeing this a few days ago after turning on SLA for
> our
> > > > tasks (not saying SLA did this, may have been happening before and
> not
> > > > noticing), but we have a dag that runs once a hour and we see that
> 4-5
> > > dag
> > > > runs are marked running but tasks are not getting scheduled.  When we
> > get
> > > > the SLA alert the action we are doing right now is going to the UI
> and
> > > > clicking run on tasks manually; this is only needed for the oldest
> dag
> > > run
> > > > and the rest recover after that. In the past 3 days this has happened
> > > twice
> > > > to us.
> > > >
> > > > We are running 1.8.2, are there any known jira about this? Don't know
> > > > scheduler well, what could I do to see why these tasks are getting
> > > skipped
> > > > without manual intervention?
> > > >
> > > > Thanks for your time.
> > >
> >
>

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