On the second day I caught Scott Blum‘s talk on another autoscaling strategy for Solr. They have a 13 billion document index running on 6000 Solr cores on 32 nodes so have had issues with JVM garbage collection which they initially solved with a manual reload of each core every few hours. They eventually built Solrman which can automatically balance Solr cores across a set of nodes – this is a solid alternative to the Rebalance API and we’ll be looking at both for some of our clients soon. We followed Scott with our talk on Coffee, Danish and Search (Powerpoint slides are here and video here) about our work on a multilingual media monitoring system for Infomedia which was well received. Having stepped out for a minute I was unable to get back in the room for Kevin Watters‘ talk on the Solr Graph Query which was extremely popular! Grant Ingersoll finished the conference with a closing keynote and we then headed for the airport.

Thanks to Lucidworks and the conference sponsors for another great event – it felt busier than previous years and this is more evidence of the ongoing healthy state of the Lucene/Solr community. We’ll be back!

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