This isn&#x27;t true. I run a Lambda right now that queries a Cassandra connection pool at high volume. In Java, at least, you set up your resources in a static initializer block, as this alludes to. <a href="http:&#x2F;&#x2F;docs.aws.amazon.com&#x2F;lambda&#x2F;latest&#x2F;dg&#x2F;best-practices.html" rel="nofollow">http:&#x2F;&#x2F;docs.aws.amazon.com&#x2F;lambda&#x2F;latest&#x2F;dg&#x2F;best-practices.h...</a> Problem solved.