GLOBAL ENGINEERING LAYER · FUNDAMENTALS
Database Engineering: Core Fundamentals & Philosophy
Engine-agnostic architecture principles: Index physics, random I/O cost models, zero data loss backup topologies, and Point-in-Time recovery.
B-Tree · LSM · I/O Modeli
9 min
B-Tree, B+Tree, and LSM-Tree Index Philosophy: Database Memory & Disk Internals
A senior DBA deep dive into B-Tree vs B+Tree, Clustered vs Secondary Index layouts, random I/O physics, and write amplification trade-offs.
PostgreSQL Heap + B-Tree vs MySQL InnoDB Clustered B+Tree architecture
Impact of double-write and write amplification on query latency
BRIN (Block Range Index) and Partial Index optimal use cases
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RPO · RTO · PITR · İzolasyon
8 min
Physical vs Logical Backup Philosophy: RPO/RTO, Snapshotting, and PITR Architecture
Why pg_dump and mysqldump fail in production scale. Block-level physical backups, WAL/Binlog streaming, and sub-minute Point-in-Time Recovery architecture.
Logical dump vs physical binary backup structural trade-offs
RPO and RTO mathematical recovery boundaries
WAL and Binlog streaming pipelines for sub-second PITR
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