tool · inferred from evidence
lscpu
A command-line tool to check CPU flags (e.g., avx, avx2, avx512).
- Elasticsearch crashes (SIGILL in libvec.so) on kNN search when the VM/hypervisor hides AVX flags
Elasticsearch 8.17.4 in Docker (OpenJDK 23, Ubuntu 20.04 container on rocky-linux host) crashed with a SIGILL in the native `libvec.so` library whenever a kNN search ran on a dense_vector field. The hs_err log showed the crash inside `sqr7u