Benjamin Trent

SearchServiceTests.testParseSourceValidation fails

2

### CI Link https://gradle-enterprise.elastic.co/s/kwj5ep3e5vymm ### Repro line ./gradlew ":server:test" --tests "org.elasticsearch.search.SearchServiceTests.testParseSourceValidation" -Dtests.seed=DB172D57BA3537A5 -Dtests.locale=ar-BH -Dtests.timezone=America/Argentina/San_Luis -Druntime.java=22 ### Does it reproduce? Yes ### Applicable branches main ### Failure history _No response_ ###...

This is currently not fixed. But this simplifies things a bit.

Adding numSearchThread for multi-threaded search

3

Its useful to test latency and throughput in multi-threaded scenarios. Adding new `numSearchThread` for kNN perf script.

Fix filtered knn vector search when query timeouts are enabled

2

Turns out when we have query cancellation checks turned on, we wrap the filter bitset, meaning we cannot actually see that the inner Bits is a bitset. This is important...

UnsupportedOperation when merging `Lucene90BlockTreeTermsWriter`

4

### Description Found this in the wild. I haven't been able to replicate :( I don't even know what it means to hit this `fst.outputs.merge` branch and under what conditions...

Make HNSW merges cheaper on heap

13

### Description I am not sure of other structures, but HNSW merges can allocate a pretty large chunk of memory on heap. For example: Let's have the max_conn set to...