Amazon Redshift will no longer support the creation of new Python UDFs starting November 1, 2025.
If you would like to use Python UDFs, create the UDFs prior to that date.
Existing Python UDFs will continue to function as normal. For more information, see the
blog post
Diagnostic queries for query tuning
Use the following queries to identify issues with queries or underlying tables that can affect query performance. We recommend using these queries with the query tuning processes discussed in Query analysis and improvement.
Note
These queries are for Amazon Redshift provisioned clusters. These queries are not for use with Redshift Serverless workgroups.