yene opened a new issue #9299: URL: https://github.com/apache/airflow/issues/9299
**Apache Airflow version**: Airflow 1.10.10, 2020-04-09 **Environment**: - MySQL: 5.7.30 **What happened**: Storing a message bigger than 65,535 bytes resulted in a mysql error. ``` (_mysql_exceptions.DataError) (1406, "Data too long for column 'value' at row 1") ``` **What you expected to happen**: No error, since this amount of data is still the range of acceptable payload sizes. **How to reproduce it**: **Anything else we need to know**: sqlalchemy `sa.PickleType()` uses BLOB on MySQL which limits xcom.value to 65,535 bytes. `sa.PickleType()` uses BYTEA in Postgres which is has a much higher max size. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
