Tag: design-database

All the articles with the tag "design-database".

• System Design - How LSM Trees Work (The Engine Behind RocksDB, LevelDB, and Cassandra)

  10 Apr, 2026

  How Log-Structured Merge Trees (LSM Trees) work: the write-optimized data structure behind RocksDB, LevelDB, Cassandra, and TiKV. Covers memtable, WAL, SSTables, compaction strategies, bloom filters, and a source code walkthrough from the facebook/rocksdb repository.

• System Design - How the Raft Consensus Algorithm Works

  10 Apr, 2026

  How the Raft consensus algorithm works: leader election, log replication, safety guarantees, and a source code walkthrough of the etcd/raft implementation in Go.