1. Microservices monitoring with Dashing and Elastic

    The key problem with all the monitoring systems which I've ever seen is a fact that you need a person who monitors them. But what if you don't have one or you don't want him to spent all his time staring into the logs? Let's say you've just set up…

    on monitoring docker dashing elasticsearch

  2. Building an ElasticSearch cluster

    Today I want to share my recent experience of setting up a few terabytes ElasticSearch cluster. Strictly speaking, we had to build a 0,5TB cluster. That is not a big amount of data (nowadays you can easily find a 3TB SSD-drive available for sale). But when you start thinking…

    on elasticsearch cluster

  3. Logistic regression in Excel

    Yes, that is weird :) If you need to deal with statistics you have to use a special software like Mathlab or Statistica. But if you are limited in your choice and Excel is the only instrument you have, this manual is for you :) Linear regression First of all, Excel already…

    on statistics

  4. ELK as a software monitoring tool

    Development is only the first step of an application lifecircle. Once it is in production (or even in testing) you have to monitor it: watch if errors occur, memory leaks and how fast its components work. Hopefully, there are a lot of solutions which allow you to do it. Today,…

    on monitoring

  5. Using Hidden Markov Models for speech recognition

    In the previous article we considered the simplest variant of a speech recognition application. Now I want to suggest to plunge into this topic a little deeper and consider this question more closely. So, let's say we split an audio signal into a set of frames of certain length and…

    on machine learning