All releases
Engine
v4.0.0
Segment merges stream in bounded memory — peak RSS at 5M docs cut from 5.2 GiB to 1.5 GiB. Breaking format change, reindex required.
View release on GitHub- Merges now stream a k-way merge of encoded segments instead of decoding everything into memory at once.
- Format v4: directory moved to a footer at EOF; offsets widened past the old 4 GiB limit. Indexing throughput and search latency unchanged.