I’ve learned a few things on an adventure this week, and I figure I should probably write them down. First off, AWS throttles the number of DNS queries you can perform on a VPC. Apparently you’re limited to 1,024 packets for Elastic Network Interface (ENI). I am a little unclear on if the limit is…
Category: AWS
Providing stable EBS volume device files
So I had a little adventure at work today and I am sure this is going to come up again. Imagine that you have an AWS instance with more than one EBS volume attached. On modern instance types, the EBS volumes appear as NVMe device files, but the naming of the device files is not…
On-demand Container Loading in AWS Lambda
My team at work now has a daily personal learning time called “egg time” — its a slightly silly story involving a manager who was good at taking some time to learn things each day, and an egg shaped chair. Today I decided that I should read this paper about container image loading in AWS…