Re: Indexing time increase moving from Lucene 8 to 9

2024-04-19 Thread Marc Davenport
Hello, Thanks for the leads. I haven't yet gone as far as doing a git bisect, but I have found that the big jump in time is in the call to facetsConfig.build(taxonomyWriter, doc); I made a quick and dirty instrumented version of the FacetsConfig class and found that calls to TaxonomyWriter.add(Fac

Slow HNSW creation times.

2024-04-19 Thread Krishnamurthy, Kannan
Greetings, We are experiencing slow HNSW creation times during index merge. Specifically, we have noticed that the HNSW graph creation becomes progressively slow after reaching a certain size. Our indexing workflow creates around 60 indices, each containing approximately 500k vectors. The vect