Please upgrade to 1.8.2. The were some ‘gaps’ in the 1.8.0 scheduler. Cheers Bolke
> On 22 Sep 2017, at 19:54, David Klosowski <dav...@thinknear.com> wrote: > > Hey Airflow Devs: > > We noticed an issue with task instances not running sometimes. > > Some interesting details are: >> in the database it shows that specific tasks that are "stuck" have an > end_date but no state (null state) >> Airflow has been running for several days just fine and there were no > changes to Airflow in that period. >> it happened for two separate important tasks for us at the same time > > We're running: >> Airflow 1.8.0 with a Postgres backend >> Celery with Redis backed by Postgres result_backend >> 3 worker hosts and 1 scheduler host > > Let me know if you guys have any suggestions or advice. Going to look > through the code to see if I can see where/how this might be happening, but > any suggestions or well known issues that might point to the problem might > be helpful. > > Thanks. > > Regards, > David
