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Posted to commits@airflow.apache.org by "Robert Conroy (Jira)" <ji...@apache.org> on 2020/01/09 20:24:00 UTC

[jira] [Created] (AIRFLOW-6522) Sensors in reschedule mode with S3TaskHandler can cause log duplication

Robert Conroy created AIRFLOW-6522:
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             Summary: Sensors in reschedule mode with S3TaskHandler can cause log duplication
                 Key: AIRFLOW-6522
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-6522
             Project: Apache Airflow
          Issue Type: Bug
          Components: logging
    Affects Versions: 1.10.6
            Reporter: Robert Conroy
            Assignee: Robert Conroy


With sensors using {{reschedule}} mode and {{S3TaskHandler}} for logging, the task instance log gets a bunch of duplicate messages. I believe this is happening because contents of the local log file are appended to what's already in S3. The local log file may contain log messages that have already been uploaded to S3 if the task is sent back to a worker that had already processed a poke for that task instance.



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