Simple Analytics with Elasticsearch and Kibana

I’ve recently replaced Splunk Storm with Elasticsearch and Kibana to analyze usage data for my game Wordismic.

Splunk is great, but Elasticsearch is fully open source and works equally well in this case. So here I’ll show you how to get started.

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Creating a Neo4j graph of Wikipedia links

I started looking at Neo4j and thought: I need to write a simple but non-trivial application to really try it out. Something with lots of nodes and relationships. I need to find a large dataset that I can import into a graph database.

To my delight, I found that Wikipedia provides database dumps for download. That serves my purpose beautifully: I can represent each wiki page as a node, and the links between pages as relationships. Continue reading