austenhead commented on issue #4666: Sessions still active on Datasource URL: https://github.com/apache/incubator-superset/issues/4666#issuecomment-382974139 The number of database connections to the metadata server is small and not an issue. The number of database connections to the database with company metrics (the data that gets shown in superset) got very big. I have 5 gunicorn processes running. From https://serverfault.com/a/862418 it looks like database on AWS's RDS by default can handle ~85 connections per 1GB of RAM. So you're right that 100 connections shouldn't bother me as much as it is. If someone is running this against a small database, then it could be an issue. From looking at the flask-sqlalchemy I think you're right that that is the most likely culprit. Thanks for the quick response! I'll write back in the next couple of weeks if this did not resolve my issue (or if it ends up being tricky and someone else might benefit from notes on it).
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