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Posted to commits@airflow.apache.org by "Taragolis (via GitHub)" <gi...@apache.org> on 2023/03/05 14:06:15 UTC

[GitHub] [airflow] Taragolis commented on issue #27296: Task completes work but ends up failing due to a lock wait timeout exceeded error and does not honor retries

Taragolis commented on issue #27296:
URL: https://github.com/apache/airflow/issues/27296#issuecomment-1455101957

   > The other thing I’d suggest is changing from REPEATABLE READ to READ COMMITTED. This change helped us significantly as well as the number of locks taken on select are greatly reduced.
   
   It should be already set to READ COMMITTED, but only for mysql and mssql, and assume that user [do not change default PostgreSQL isolation](https://www.postgresql.org/docs/current/runtime-config-client.html#GUC-DEFAULT-TRANSACTION-ISOLATION) to other than READ COMMITED
   
   https://github.com/apache/airflow/blob/c4f8e22227a3f445d47386799be504388513ce3f/airflow/settings.py#L337-L340


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