On Fri, Jun 20, 2014 at 10:15 AM, Yago Riveiro <yago.rive...@gmail.com> wrote: > Yonik, > > This native code uses in any way the docValues?
Nope... not yet. It is something I think we should look into in the future though. > In the past I was forced to indexed a big portion of my data with docValues > enable. OOP problems with large terms dictionaries and GC was my main problem. > > Other good optimization can be do facet aggregations offsite the heap to > minimize the GC, Yeah, the single-valued string faceting in Heliosearch currently does this (the "counts" array is also off-heap). > To ensure that facet aggregations has enough ram we need a large heap, in > machines with a lot of ram maybe if this aggregation was made offsite this > allow us reduce the heap size. Yeah, it's nice not having to worry so much about the correct heap size too. -Yonik http://heliosearch.org - native code faceting, facet functions, sub-facets, off-heap data
