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Tag: Automation

The case of the Zombie Connections

Recently I've come across to a weird incident where a very network-demanding application started to show strange behaviors and poor performance. This application consumes lots of sockets, both on the client and the server. Of course, this shouldn't be an issue, as long as there are lots of solutions out there that have similar requirements.

The case here was that, both the client and the server, kept orphaned/zombie TCP connections in state CLOSING and FIN_WAIT_2 on each side. In other words, no alive Process was the owner of those connections and, as a result, there was no way to ...

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What’s new in NMTools v4.54b0

Well, here we are again! :D. This is a much long awaited release. Definitely, this product is becoming more and more mature with each iteration. I can now say this from the experience of running NMTools on big and complex Production Environments to solve real problems and handle considerably demanding situations.

There is a lot of hidden work that has been done during the last eight months. That is why I would like to start thanking all the people that has contributed to this release in any way: code, feedback, ideas, etc. This release wouldn't be as good as it ...

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Productivity, Cloud and The Red Pill

I remember, back in 1.999, when The Matrix showed us the “Blue Pill – Red Pill Dilemma“. Since then, those Pills have become a popular metaphor for the choice between the blissful ignorance of illusion (the Blue Pill) and embracing the sometimes painful truth of reality (the Red Pill).

I don't know what you think, but I feel that, most of the times, we behave like Matrix Citizens. Things change and happen so quickly that we often don't realise what is actually going on. It's usually hard because it requires you to stop, step back, look around, ...

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