While working for a large client processing several petabytes of data per month, I had the opportunity to attack the primary ingest service with YourKit. This service is written in Scala and Java and runs on giant expensive AWS instances due mostly to the heap requirements, but also to keep plenty of CPU headroom as […]
tl;dr: Enable keepalives and permit without stream on both the client and server and make sure the keepalive time matches between clients and servers. We’re using gRpc in containerized applications written in four languages on AWS Fargate. Our service location and load balancing method is currently a combination of DNS and AWS Network Load Balancers. We’ve been plagued […]
Working on a project using MySQL and Java, I quickly found myself missing the more robust SQL and data types of PostgreSQL. 🙂 With a conversion off the table, we needed a way to handle mapping MySQL binary(16) columns to Java UUIDs and back automatically. I was surprised not to find any ready-to-run examples out […]
We use both Puppet and AWS extensively. Historically, we’ve managed secrets with eyaml and git. This allows version control and recovery of secrets, but requires the decryption key(s) to be stored on the same disk as the secrets. We’ve evaluated Hashicorp’s Vault as a secrets management solution. While it is robust and full of appealing […]
I don’t travel for work much, but I travel enough that I need a semi-portable computer. For the last three years, I’ve lugged around a Dell Precision M6800. I’ve always found Precisions to be great laptops with exceptional Linux support. These are one of the few laptops that can still disable Optimus and run entirely […]