Jajal Doang

Can we run a go test benchmark in Parallel? The short answer is Yes. This article will show how.

We will create a simple rate limiter with Redis. But first, what is a rate limiter, and why do we use it?

Having self-taught programming skills does not imply not going to school or not following an instructor. To put it simply, it means taking the initiative by you instead of waiting for someone else to do so. As long as you are committed to mastering programming skills, including training courses, books, videos, and discussions, you are well on becoming a self-taught programmer.

If you run your application on a server, you need to write your application log to a file. It will help you debug and analyze your application. A good log file will tell you what the error is, when it happened, and where it is come from. This article will show you how to write logs to a file in Go.

When your application handles a large number of files, you need to store the files in a certain storage system outside your application server. One of the best storage services is Amazon S3. This article will show you how to create an Amazon S3 Bucket, create access key id and secret, and upload files to Amazon S3 with Go.

Distributed tracing with Jaeger can be used to monitor error. We can find which span got an error and see the error log. This article will show you how.

If you never used Makefile before, you better check out this article. You will find out what Makefile is and how it will be useful for you.

Profiling an application is helpful to identify resource consumption at runtime. We can see which function consumes the most CPU or memory. We can see if our application is already efficient or not and then find a chance of improvement. In Go, there is pprof, a built-in library for profiling that we can easily use and integrate.

Distributed tracing is used by software engineers to monitor or debug their applications. It is very useful to find which process takes the most time or which function causes errors. One of the systems to do distributed tracing is Jaeger. This article will show you how to run Jaeger in the local environment and trace a Go application.

Timeouts can be important for an application. It can limit how long is the maximum duration of a process. We can save resources by cancel further processes when timeout happened. We can use context to apply a timeout to a function call in Go.