Glenn Engstrand

Author: glenn

Glenn has focused his twenty plus year professional career growing Independent Software Vendors by maturing their Software Development Life Cycle processes and by fostering personal and professional growth in their development staffs. Glenn has delivered software architectures for scalable, enterprise grade systems in J2EE, .NET, LAMP, and Windows DNA.

Micro-Services: Clojure vs Scala

In a previous post, I compared Scala and Clojure when it came to processing big data. In this post, I am comparing Scala and Clojure in the world of micro-services. Earlier, I had written a rudimentary news feed service in Clojure. Recently, I re-implemented the same news feed service in Scala. Given the same task,…

3 Ways to Customize Solr 4

Lucene/Solr is a full featured search engine and it is rare to need to extend its search capabilities. If you do find yourself needing something not available in vanilla Solr, then functions, request handlers, and search components are three basic ways to extend Solr with your own custom Java code to handle special search requirements.