Tes Engineering Blog

Posts tagged with "observability"

1. Exceptional Alerts - Instrumenting and Observing Part 3

   — 20 June, 2019

   

   Observing what happens when your users interact with your software keep you from disaster, allowing your users to keep working and you to keep shipping. At Tes we capture what happens when our users interact with our services. We set expectations on outcomes. This means we know when our users can't reach their goals. It also means we can act fast to fix problems. In this blog post I'll show how…

2. Instrumenting and Observing Microservices Part 2: Are your microservices working together?

   — 12 February, 2018

   

   If you want to be confident that your users are able to achieve their goals using your service there's more to do than monitoring the health of individual microservices. You need assurance that your set of microservices are working well together, and when they aren't, you need the information necessary to fix any problems as soon as you can. This blog follows one Tes team's mission to better…

3. Instrumenting and Observing Microservices Part 1: What do you expect from your microservice?

   — 03 November, 2017

   

   A friend of mine tells a great story of a team avoiding a great deal of grief. All of their system health checks were green, but the live graph of purchases dropped to zero and stayed there. Despite the many positive system indicators, the team were able to see they had a problem and were able able to react quickly to find and to fix it. It turned out that user purchases was a key indicator of…