Re: Performance Difference between files getting opened with IoContext.RANDOM vs IoContext.READ

2024-09-30 Thread Navneet Verma
Hi Uwe and Mike, Thanks for providing such a quick response. Let me try to ans few things here: *In addition, inLucene 9.12 (latest 9.x) version released today there are some changesto ensure that checksumming is always done with IOContext.READ_ONCE(which uses READ behind the scenes).* I didn'

Facet Count strategies and common errors

2024-09-30 Thread Marc Davenport
I've been looking at the way our code gets the facet counts from Lucene and see if there are some obvious inefficiencies. We have about 60 normal flat facets, some of which are multi-valued, and 5 or so hierarchical and multi-valued facets. I'm seeing cases where the call to create a FastTaxonomyF

Re: Performance Difference between files getting opened with IoContext.RANDOM vs IoContext.READ

2024-09-30 Thread Uwe Schindler
Hi, please also note: In Lucene 10 there checksum IndexInput will always be opened with IOContext.READ_ONCE. If you want to sequentially read a whole index file for other reasons than checksumming, please pass the correct IOContext. In addition, in Lucene 9.12 (latest 9.x) version released t