April 2, 2021 Every time I look at the Lambda monitoring tab in the AWS Console, one of the charts drives my crazy. AWS has good intentions behind the charts. These charts show the performance of a Lambda, a tiny split-second function. AWS does a decent job of providing monitoring charts to show you the golden signals of your service performance: Traffic is displayed in the Invocations chart showing how many times the lambda was called Latency is displayed in the Duration chart showing how long the lambda took to execute Errors are displayed the Error count and success rate chart.

April 25, 2015 As we’ve entered spring, my kids have been begging to wear shorts and short-sleeved shirts (their favorite set of clothes). In Virginia, we can still have wide temperature swings from day to day. So, each day they ask if they can wear shorts and I check the temperature. I’ve been having them read the two-digit temperature value and they’ve gotten good at that. But, I wanted a way for them to figure out the type of clothes to wear.