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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2019/09/06 05:13:31 UTC

[GitHub] [airflow] seelmann edited a comment on issue #5908: Revert "[AIRFLOW-4797] Improve performance and behaviour of zombie de…

seelmann edited a comment on issue #5908: Revert "[AIRFLOW-4797] Improve performance and behaviour of zombie de…
URL: https://github.com/apache/airflow/pull/5908#issuecomment-528710963
 
 
   Just reverting it would reintroduce the zombie detection problem (see Jira and discussion in the inital PR https://github.com/apache/airflow/pull/5420). I'm ok with reverting it if it increases DB load in case you have 1000s of DAGS (we only have 20+). But then we need to find another way to fix the zombie detection. 
   
   Why is zombie detection at all part of DAG file processing? Can't there be a separate background thread that checks e.g. once per minute (configurable) for zombie tasks?
   
   

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