Hao Guo

Approximate Nearest Neighbor Search (ANNS) is widely used in various scenarios. For billion-scale ANNS, on-disk graph-based indexes, which organize the vectors as a graph and store them on disk, are favored for their performance and cost-efficiency. However, existing indexes can not maintain a st...

ByteStore is a distributed append-only storage system that serves as the foundational storage layer of the ByteDance infrastructure. Initially, storage services on ByteStore use compaction for garbage collection (GC). Additional writes induced by compaction and the SSD space occupied by stale dat...