: billions of documents (not enough memory). Please note that we are on 4.4, : which does not contain the new CURSOR-feature. Please also note that speed is : an important factor for us.
for situations where you know you will be processing every doc and order doesn't matter you can use a "poor mans" cursor by filtering on sccessive ranges of your uniqueKey field as described in the "Is There A Workaround?" section of this blog post... http://searchhub.org/2013/12/12/coming-soon-to-solr-efficient-cursor-based-iteration-of-large-result-sets/ * sort on uniqueKey * leave start=0 on every requets * add an fq to each request based on the last uniqueKey value from the previous request. -Hoss http://www.lucidworks.com/