On Tue, May 5, 2009 at 1:49 PM, vivek sar <vivex...@gmail.com> wrote: > I've a distributed Solr instances. I'm using Java's UUID > (UUID.randomUUID()) to generate the unique id for my documents. Before > adding unique key I was able to commit 50K records in 15sec (pretty > constant over the growing index), after adding unique key it's taking > over 35 sec for 50k and the time is increasing as the index size > grows.
Using unique keys will be slower than not using them... it's extra work that Lucene needs to do - internally it needs to do searches on the ids to delete any previous versions. -Yonik http://www.lucidimagination.com