long NETWORK LATENCY 50MS 1s frequently 7s recentlyStorage Engine Comparison (vs. Ceph) META MANAGEMENT CURVE CHUNK SERVER BLUESTORE META Precreate Chunk File Pool on ext4 RocksDB META OVERHEAD CurveFS • support operator capability level 2: automated application provisioning and configuration management and patch and minor version upgrads supported • File meta data preallocate • RAFT optimization

Supports RDMA and SPDK ○ Further reduce I/O latency and improve throughput ○ Support data lifecycle management ○ Curve block devices can be used as the underlying storage of Curve file systems ● System operation provide high availability/reliability ● Zero copy; Data stripe; RDMA to improve performance ● Management and monitor tools ● Support CSI deriver for upper cloud native applications accessTHANKS

CURVE COMMENT BASIC INSTALL Y (by Helm) automated application provisioning and configuration management SEAMLESS UPGRADES Y (by Helm) patch and minor version upgrads supported FULL LIFECYCLE Plan