• A leaking queue

  Everything was running smoothly when we left for the weekend. Monday morning we got back and we had multiple alerts waiting for us, one of our java applications was misbehaving… Thankfully it was a test environment and changes had not yet been released to production :).

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• About the java direct buffer pool

  While looking into one of our metrics dashboard, 2 of the graphs caught our attention. The titles on them were Direct buffer and Mapped buffer. What do these graphs measure and why should we monitor them?

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• My first kafka outage

  A few weeks ago myself and my team experienced our first kafka outage and we got to learn a lot from it. This post describes how we approached the problem, the steps we took to debug it and in the end solve it.

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• Now!

  For a long time I’ve been trying to write more, not only because I wanted to keep a log of what I do (I have a really bad memory) but also because I think that when I write I get a new perspective on the subject and I’m able to pinpoint areas where I lack understanding.

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