Writings on various topics (mostly technical) from Oliver Hookins and Angela Collins. We currently reside in Sydney after almost a decade in Berlin, have three kids, and have far too little time to really justify having a blog.
One of the notably lacking metrics from CloudWatch has been the current and previous AutoScaling group sizes - in other words, how many nodes are in the cluster. I've worked around this by using the regular EC2 APIs, querying the current cluster size and the desired size and logging this to Graphite. However, it only gives you the current values - not anything in the past, which regular CloudWatch…