bkyryliuk commented on issue #10530: URL: https://github.com/apache/incubator-superset/issues/10530#issuecomment-689689258
It seems that celery is not happy to deal with the sqlalchemy pool & that's related to the process forking. The recommendation I found was to have 1 session per worker to avoid issues like this. Here is some read: * https://stackoverflow.com/questions/14526249/celery-worker-database-connection-pooling * https://stackoverflow.com/questions/44598266/sqlalchemy-exc-nosuchcolumnerror-when-im-querying-in-parent-process * http://www.prschmid.com/2013/04/using-sqlalchemy-with-celery-tasks.html cc @willbarrett @villebro ---------------------------------------------------------------- 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] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
