Experimenting with Open Source Web Crawlers

Whether you want to do market research or gather financial risk information or just get news about your favorite footballer from various news site,  web scraping has many uses. In my quest to learn know more about web crawling and scraping , I decided to test couple of Open Source Web Crawlers which were not [...]

Analysing Solr logs with Logstash

Analysing Solr logs with Logstash Although I usually write about and work with Apache Solr, I also use the ELK stack on a daily basis on a number of projects. If you’re not familiar with Solr, take a look at some of my previous posts. If you need some more background info on the ELK [...]

How Elasticsearch calculates significant terms

Many of you who use Elasticsearch may have used the significant terms aggregation and been intrigued by this example of fast and simple word analysis. The details and mechanism behind this aggregation tends to be kept rather vague however and couched in terms like “magic” and the commonly uncommon. This is unfortunate since developing informative [...]

Analyzing web server logs with Elasticsearch in the cloud

Using Logstash and Kibana on Found by Elastic, Part 1 This is part one of a two post blog series, aiming to demonstrate how to feed logs from IIS into Elasticsearch and Kibana via Logstash, using the hosted services provided by Found by Elastic. This post will deal with setting up the basic functionality and [...]

How to develop Logstash configuration files

Installing logstash is easy. Problems arrive only once you have to configure it. This post will reveal some of the tricks the ELK team at Comperio has found helpful.

Replacing FAST ESP with Elasticsearch at Posten

First, some background A few years ago Comperio launched a nifty service for Posten Norge, Norway’s postal service. Through the service, retail companies can upload their catalogues and seasonal flyers to make the products listed within searchable. Although the catalogue handling and processing is also very interesting, we’re going to focus on the search side [...]

Elastic{ON}15: Day two

March 11, 2015 Keynote Fighting the crowds to find a seat for the keynote at Day 2 at elastic{ON}15 we were blocked by a USB stick with the curious caption  Microsoft (heart) Linux. Things have certainly changed.

Elastic{ON}15: Day one

March 10, 2015 At Comperio we have been speculating for a while now that Elasticsearch might just drop search from their name. With Elasticsearch spearheading the expansion of search into analytics and all sorts of content and data driven applications such a change made sense to us. What the name would be we had no [...]

Comperio goes to Elasticon

Elasticon, the first Elasticsearch user conference, is coming in a couple of weeks. Hosted in San-Francisco, the agenda promises a lot of interesting use cases and in-depth information about Elasticsearch and the ELK (Elasticsearch, Logstash, Kibana) analytics stack. It is an 11 hour plane trip away, but here at Comperio we consider Elasticsearch one of [...]

Kibana 4 – the beer analytics engine

Kibana 4 is a great tool for analyzing data. Vinmonopolet, the Norwegian government owned alcoholic beverage retail monopoly, makes their list of products available online in an easily digestible csv format. So, what beer should I buy next? Kibana will soon tell me.

Page 1 of 212


Comperio AS
Øvre Slottsgate 27
NO-0157 Oslo,
+47 22 33 71 00
View map


Search Provider Sverige AB
Gamla Brogatan 34
SE-11 120 Stockholm
+46 8-21 49 00
View map