LSM-Tree vs. B+Tree Storage Engine Architecture: Write Amplification, Compaction, and NVMe I/O Alignment
A deep-dive database internals analysis comparing Log-Structured Merge-Tree (LSM-Tree) and B+Tree storage engines, examining Write Amplification Factors (WAF), MemTable/SSTable compaction strategies, Bloom filters, and flash block wear leveling on NVMe SSDs.