Re: sortedset vs taxonomy

2014-09-27 Thread Shai Erera
Hi The taxonomy faceting approach maintains a sidecar index where it keeps the taxonomy and assigns an integer (ordinal) to each category. Those integers are encoded in a BinaryDocValues field for each document. It supports hierarchical faceting as well as assigning additional metadata to each fac

RE: Optimum Lucene’s MMapDirectory size on 64bit OS

2014-09-27 Thread Uwe Schindler
Hi, In general, the chunk size should be as large as possible. It merely only exists for 32 bit environments, to work around the limited address space, where fragmentation causes issues earlier. With 64 bit operating systems, fragmentation of address space is also an issue, but only if your tot