Marko Anastasov wrote this on June 18, 2009

Rails log analytics using request-log-analyzer

request-log-analyzer is a great little gem that can quickly process your log file and tell you a thing or two about your application’s performance and bottlenecks.

bq. It uses several metrics, including cumulative request time, average request time, process blockers, database and rendering time, HTTP methods and statuses, Rails action cache statistics, etc.

Check out some sample output. Before you decide to invest in a commercial performance monitor, make sure you squeeze all you can from the plain old log files in your local terminal.

comments powered by Disqus

About Marko Anastasov

Marko co-founded Rendered Text. He’s a programmer with a passion of creating something for other people, coupled with interests in how things work in the society and nature. He is having a great time working across many areas in the company, including product design, helping the engineering teams, empowering users and marketing. He likes to counterbalance it all with running, cycling or a day in the woods.

Suggested Reads

Inject is a fundamental building block

Inject is one of the fundamental, and most versatile constructs available in functional languages. It can be used to implement map, select, max, all? and a bunch of other iteration related methods. Unfortunately, many programmers are not aware of its awesome powers. This article is here to improve this fact.


Rendered Text is a software company. For questions regarding Semaphore, please visit Otherwise, feel free to get in touch any time by sending us an email.

Rendered Text
Svetozara Miletica 10
21000 Novi Sad