빅데이터/PostgreSQL (1) 썸네일형 리스트형 PostgreSQL 이중화 방법 Feature Shared Disk Failover File System Replication Transaction Log Shipping Trigger-Based Master-Standby Replication Statement-Based Replication Middleware Most Common Implementation NAS DRBD / Pacemaker Streaming Repl. Slony pgpool-II Communication Method shared disk disk blocks WAL table rows SQL No special hardware required • • • • Allows multiple master servers • No master server overhead .. 이전 1 다음