Follow-ups to ANN with filtering #87490
Description
This meta issue tracks follow-up work to ANN with filtering (#84734).
- Fix rare failure case with very selective filters. (LUCENE-10611)
- Make sure that the kNN search takes advantage of the node query cache. Currently, even when the filter is cached, all its results are copied before performing the HNSW graph search. (LUCENE-10606)
- Add rally benchmarks for kNN search with filters.
- https://github.com/elastic/night-rally/issues/685