On 2/18/2014 2:14 PM, Joshi, Shital wrote:
Thanks much for all suggestions. We're looking into reducing allocated heap
size of Solr4 JVM.
We're using NRTCachingDirectoryFactory. Does it use MMapDirectory internally?
Can someone please confirm?
In Solr, NRTCachingDirectory does indeed use MMapDirectory as its
default delegate. That's probably also the case with Lucene -- these
are Lucene classes, after all.
MMapDirectory is almost always the most efficient way to handle on-disk
indexes.
Thanks,
Shawn