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Posted to commits@airflow.apache.org by "Amichai Horvitz (JIRA)" <ji...@apache.org> on 2019/01/01 11:42:00 UTC

[jira] [Created] (AIRFLOW-3607) Decreasing scheduler delay between tasks

Amichai Horvitz created AIRFLOW-3607:
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             Summary: Decreasing scheduler delay between tasks
                 Key: AIRFLOW-3607
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-3607
             Project: Apache Airflow
          Issue Type: Improvement
          Components: scheduler
    Affects Versions: 1.10.1, 1.10.0
         Environment: ubuntu 14.04
            Reporter: Amichai Horvitz
             Fix For: 1.10.2


I came across the TODO in airflow/ti_deps/deps/trigger_rule_dep (line 52) that says instead of checking the query for every task let the task report to the dagrun. I have a dag with many task and delay between tasks can rise to 10 seconds or more, I already changed the configuration, added processes and memory, checked the code and did research, profiling and other experiments. I hope that this will make a drastic change in the delay. I would be happy to discuss this solution, the research and other solutions for this issue.  

Thanks



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