+1 to no more "zombie"

Avi

On Wed, Feb 12, 2025 at 12:38 PM Jarek Potiuk <ja...@potiuk.com> wrote:

> +1 on both. Changing and Airflow 3. Apart of some concerns about the name
> itself, I never remember what kind of tasks are zombies and what triggers
> that.
>
> I think zombie is a bit overloaded term especially in container world where
> you have zombie processes already (when your init process does not do
> zombie process reaping properly) and that might be confusing.
>
> Explicitly naming it - even if it is longer might be a bit more obvious.
>
> śr., 12 lut 2025, 13:15 użytkownik kalyan reddy <kalyan.be...@live.com>
> napisał:
>
> > +1 to the idea and to restrict the change to Airflow 3 only
> > ________________________________
> > From: Wei Lee <weilee...@gmail.com>
> > Sent: 12 February 2025 17:01
> > To: dev@airflow.apache.org <dev@airflow.apache.org>
> > Subject: Re: Updating "zombie task" terminology to "task heartbeat
> timeout"
> >
> > I like this idea as well. But not sure whether it would affect
> monitoring.
> > 🤔 If we’re to introduce it, we’d better make it airflow 3 only and make
> > sure we add a migration rule as we’re changing the configuration
> >
> > Best,
> > Wei
> >
> > > On Feb 12, 2025, at 6:10 AM, Ryan Hatter <ryan.hat...@astronomer.io
> .invalid>
> > wrote:
> > >
> > > I love it. "heartbeat timeout" is obvious and has meaning in software
> > > beyond Airflow, so it makes sense to stick with this verbiage and use
> it
> > to
> > > replace "zombie" in docs, configs, logs, and code IMO.
> > >
> > > On Tue, Feb 11, 2025 at 4:15 PM Karen Braganza <
> > karenbraganz...@gmail.com>
> > > wrote:
> > >
> > >> Hi,
> > >>
> > >> I have been working on this PR
> > >> <https://github.com/apache/airflow/pull/46257> to update our
> > documentation
> > >> on zombie tasks to reflect the terminology used in the user-facing
> event
> > >> logs in Airflow 2.10+. The event logs use the terminology "heartbeat
> > >> timeout" whereas the documentation uses the terminology "zombie
> tasks".
> > I
> > >> would like to update the documentation to focus on the "heartbeat
> > timeout"
> > >> terminology so that users are able to find and understand this
> > >> documentation easily when they see a "heartbeat timeout" in the event
> > logs.
> > >>
> > >> In the same vein, I think other user-facing configurations should also
> > be
> > >> updated to use the same terminology. I am proposing that we make the
> > >> following changes to Airflow configuration variables:
> > >>
> > >> scheduler_zombie_task_threshold  -->  scheduler_task_heartbeat_
> > >> timeout_threshold
> > >> zombie_detection_interval -->
> task_heartbeat_timeout_detection_interval
> > >>
> > >> In addition to this, I propose that we also change the logs emitted by
> > the
> > >> scheduler to use the "task heartbeat timeout" terminology.
> > >>
> > >> For example, the below logs
> > >> <
> > >>
> >
> https://github.com/apache/airflow/blob/dea2cc9afc61caf49621c3b1923bcf90e96e17e9/airflow/jobs/scheduler_job_runner.py#L2040
> > >>>
> > >> :
> > >> self.log.error(
> > >>                "Detected zombie job: %s "
> > >>                "(See https://airflow.apache.org/docs/apache-airflow/";
> > >>                "stable/core-concepts/tasks.html#zombie-tasks)",
> > >>                request,
> > >>            )
> > >>
> > >> should become:
> > >>
> > >> self.log.error(
> > >>                "Detected task heartbeat timeout: %s "
> > >>                "(See https://airflow.apache.org/docs/apache-airflow/";
> > >>                "stable/core-concepts/tasks.html#zombie-tasks)",
> > >>                request,
> > >>            )
> > >>
> > >> I wanted to start this discussion to get everyone's thoughts on my
> > >> proposal. Do you agree (or disagree) that at least all user-facing
> > elements
> > >> of Airflow should use the "task heartbeat timeout" terminology instead
> > of
> > >> "zombie tasks" for uniformity?
> > >>
> > >> I can add all of these changes to my PR.
> > >>
> > >> Best,
> > >> Karen Braganza
> > >>
> > >>
> > >> <
> > >>
> >
> https://airflow.apache.org/docs/apache-airflow/stable/configurations-ref.html#zombie-detection-interval
> > >>>
> > >>
> >
> >
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> >
> >
>

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