Oct 18Notes about go coverageSince version 1.2, Go has supported getting coverage at the package level if cover is provided to the go test command. Go 1.20 introduced coverage-instrumented programs. You can read about that in the blog post on the official Go website Code coverage for Go integration tests. It basically comes down…Golang3 min readGolang3 min read
Jan 23, 2021Monitoring Response Times using Nginx, Telegraf and InfluxDBIn these posts, I talk about the steps I took in order to monitor some aspects of a microservice application deployed on Kubernetes cluster. I’m aggregating data about 1.the number and server-side response time for each endpoint. 2. The allocated resource to each microservice at each moment and 3. resource…Telegraf6 min readTelegraf6 min read
Dec 20, 2020Change Metric Resolution Interval on MinikubeI’ve been using and learning k8s for a couple of months now. For a project which involves a huge amount of resource monitoring and planning I needed to record the CPU and memory utilization of every pod. I will write about how I did that using InfluxDB, Telegraf and visualized…Kubernetes3 min readKubernetes3 min read
Jun 7, 2020Running tcpdump inside Docker SwarmHave you ever deployed a stack in Docker Swarm and wanted to run tcpdump to monitor packets that are passing between different network components? I have. If you run the tcpdump command directly on the host you won’t monitor most of the packets that are moving between different services can…Docker2 min readDocker2 min read
