Published onAugust 21, 2023LSM trees based indexing - LevelDB, Cassandra, HBaseDatabasesDB-InternalsIndexingSS-TablesLFSLSM-TreesMemTableLSM Trees tackle multi-key comparison challenges in databases. This is achieved using SSTables & MemTable. SSTables partition disks into sorted segments, while MemTables manage in-memory sorting and flushing.