On Mon, May 26, 2014 at 9:21 PM, 张月祥 <zhan...@calis.edu.cn> wrote: > Thanks a lot. > >> There are only 256 byte arrays to hold all of the ord data, and the > pointers into those arrays are only 24 bits long. That gets you back > to 32 bits, or 4GB of ord data max. It's practically less since you > only have to overflow one array before the exception is thrown. > > What does the ord data mean? Term Id or Term-Document Relation or > Document-Term Relation ?
Every document has a list of term numbers (term ords) associated with it. The deltas between sorted term numbers are vInt encoded. -Yonik http://heliosearch.org - facet functions, subfacets, off-heap filters&fieldcache
