Presented by:

Dfe110471a3f3b0abeb182c62b35e5e6

Ujang Jaenudin

Self Employed

I'm an experienced oracle DBA since 2004, starting 9i ~ 12c.

Starting as PostgreSQL DBA since 2010: - create a small module to communicate to core banking system (plpgsql + php) - Manage own replication from oracle to PostgreSQL - Manage database maintenance (280+ databases) - Manage multimaster replication (BDR) - consolidation from 280+ database/servers into single server - Troubleshoot performance problem for ETL processes - Benchmark Postgresql BDR to choose the better linux kernel for mutex overhead issues

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Migrate Database from Exadata X7 1/8 2 Nodes RAC to PostgreSQL 12.4:

Critical OLTP System Peak Transaction around 400 TPS System accessed from million of Mobile devices Critical part: Searching available seats on the route

Current workload most likely 80% READ, 20% WRITE PostgresQL able to scale well for READS We plan to have some slaves (Synchronous SR) HA-proxy in front of them

Date:
2020 November 19 16:10 CST
Duration:
40 min
Room:
Virtual - English Sub-Conference B
Conference:
CHINA 2020 And PGConf.Asia 2020
Language:
Track:
Migrations
Difficulty:
Medium