This article will show you how to do some Apache log analysis using Riak and MapReduce. Specifically it will give an example of how to extract URLs from Apache logs stored in Riak (the map phase) and provide a count of how many times each URL was requested (the reduce phase).
NoSQL based solutions for centralized logs analysis abound these days:
And these are just a few examples I’ve been able to pull out.
Original title and link: Basic Riak MapReduce: Analyzing Apache Logs ( ©myNoSQL)