RE: LowerCaseFilterFactory burns CPU

2015-07-09 Thread Reitzel, Charles
es.reit...@tiaa-cref.org] Sent: Thursday, July 09, 2015 9:47 AM To: solr-user@lucene.apache.org Subject: RE: LowerCaseFilterFactory burns CPU That should be fixable. In a past life, I generated a perfect hash to fold case for Unicode in a locale-neutral manner and it was very fast. If I rememb

RE: LowerCaseFilterFactory burns CPU

2015-07-09 Thread Reitzel, Charles
That should be fixable. In a past life, I generated a perfect hash to fold case for Unicode in a locale-neutral manner and it was very fast. If I remember right, there are only about 2500 Unicode characters that can be case folded at all. So the generated, collision-free hash function was v