Using Solr’s new Healthcheck command
SolrCloud is great, up until you start seeing lots of ZooKeeper exceptions and you think to yourself, “wtf?”. Thats when you discover that you should have been monitoring your…
Quepid: Write Tests Against Your Search Results
Quepid: Relevancy Solved Update ( March 20,2021 )! This function, while very valuable, wasn’t easily used by most Relevance Engineers, and so we’ve made the painful decision to remove…
Title Search: when relevancy is only skin deep
How do users judge that articles, books, and blog posts are relevant to what they’re searching for? What about you? If you’re searching for an article on ‘Socrates’, what…
Apache Sentry. So close, and yet nothing.
Security, its always been the bug a boo of Solr. There is a wide sense that security isnt a concern of the Solr community, and that isnt quite accurate….
Stepwise Date Boosting in Solr
When you want to boost on recency of content (ie more recently published documents before older ones), the Solr function query documentation gives you a basic date boost: boost=recip(ms(NOW,mydatefield),3.16e-11,1,1)…
Playing with Thoth
At LuceneRevolution last week, one of the sessions that got me really excited was about Thoth, presented by Damiano Braga and Praneet Mhatre. It was very nicely done, especially…
Datastax Engagement Award
OpenSource Connections AwardedDataStax Engagement Award CHARLOTTESVILLE, Virginia, October 15, 2014 – OpenSource Connections (OSC), a search, discovery and analytics consultancy, today announced it is the proud recipient of the…
When click scoring can hurt search relevance – towards better signals processing in search
Have you heard of “click scoring” or “click tracking”? In the context of search click scoring is the method whereby you collect statistics on where users click in their…
Lets Stop Saying “NoSQL”
NoSQL to describe a database makes about as much sense as “NoSedan” to describe a car I say the word “NoSQL” a lot. When I say NoSQL, I tend…
Solving data “variety” with Postgress NoSQL Extensions
Raise your hand if you’ve heard the three “Vs” of Big Data? Velocity – your query/updates are exceptionally fast or large. Your processing the entire twitter feed. Volume –…
The Semantic Web up and coming – impressions of SEMANTiCS 2014
When you hear someone say about a technology that it only works in theory, it is too labour-intensive and `it is not industry-ready, chances are that they are talking…
September Chock Full of Talks (Dougtember?)
I somehow managed to line up a speaking gig for every week in September! I hope youll join me on this insane marathon. Ill be talking about topics key…