What surprised me with Lambda is that it &#x27;freezes&#x27; the VM your code is running in, and &#x27;unfreezes&#x27; it when more requests come in. Very clever - they can store a lot of frozen VMs on an SSD. It surprised me when I discovered that a cache I had written in my code was already populated!<p>I think most code running on lambda is not going to be CPU bound. In lambda-comments case it&#x27;s mostly going to be idling as it waits for TCP&#x2F;IP traffic to&#x2F;from Akismet, S3, DynamoDB, Slack notification webhooks, etc.