CURVE Roadmap CURVE Community You can take awayDesign objectives App scenario & requires ● Database scenario ● Elastic block Storage for KVM / Kubernetes / iSCSI Design objectives ● Thin provisioning take awayPerformance in database scenario Solution architecture ● CURVE provides underlying distributed shared storage services ● Polardb for PostgreSQL provides database services Solution features seperation between storage and computation ● The call method is the same as that of the standalone database Performance test vs CEPH ● BenchmarkSQL transactions per minute increased by 39% ● In PGBench

System (CurveFS) • CurveFS: a high performance cloud native file systemUse Cases • Container • Database • Data apps(middleware/bigdata/ai) • Data backupContainer • Aggregates underlying storage container-native storageDatabase • Database services orchestrated in the cloud • Curve can backup / sync data to slave cloud • When master cloud failure happens, Database service can move to the slave 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

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