Monthly Archives: October 2014

Sudden Solr performance drop

Posted on October 31, 2014 by Toke Eskildsen

There we were, minding other assignments and keeping a quarter of an eye on our web archive indexer and searcher. The indexer finished its 900GB Solr shard number 22 and the searcher was updated to a total of 19TB / … Continue reading →

Posted in eskildsen, Faceting, Performance, Solr, Uncategorized | Leave a comment

What is high cardinality anyway?

Posted on October 2, 2014 by Toke Eskildsen

An attempt to explain sparse faceting and when to use it in not-too-technical terms. Sparse faceting in Solr is all about speeding up faceting on high-cardinality fields for small result sets. That’s a clear statement, right? Of course not. What … Continue reading →

Posted in eskildsen, Faceting, Low-level, Performance, Solr | 1 Comment