Interesting. I think that still might be the &#x27;push&#x27; model and not the &#x27;pull&#x27; model, so it might attempt to do work in parallel.<p><a href="http:&#x2F;&#x2F;docs.aws.amazon.com&#x2F;lambda&#x2F;latest&#x2F;dg&#x2F;intro-invocation-modes.html" rel="nofollow">http:&#x2F;&#x2F;docs.aws.amazon.com&#x2F;lambda&#x2F;latest&#x2F;dg&#x2F;intro-invocation...</a><p>The Concurrent Executions section of this page suggests that anything other than Kinesis and Lambda Streams will cause parallel work, which is not what I want:<p><a href="http:&#x2F;&#x2F;docs.aws.amazon.com&#x2F;lambda&#x2F;latest&#x2F;dg&#x2F;intro-core-components.html#intro-core-components-event-sources" rel="nofollow">http:&#x2F;&#x2F;docs.aws.amazon.com&#x2F;lambda&#x2F;latest&#x2F;dg&#x2F;intro-core-compo...</a>