Miscellaneous

Deep dive into TCP keepalive, FIN vs RST, and connection pool probing mechanisms — with hands-on packet capture tests

The 2026 No.2 Xinchuang database list released: 23 products pass, Ping An, UnionPay, China Mobile, and China Telecom self-developed databases debut. A DBA's interpretation and reflections.

From Jekyll to Hugo, from GitHub Pages to a custom domain, the journey of launching a blog with 76 articles and reflections along the way.

2025 Year-End Summary: Transition from DBA technical operations to providing systematic solutions, expanding into economics and philosophy reading, and deep reflection on AIOps

2024 Year-End Summary: A year of comprehensive PostgreSQL operations, deep reflection on the DBA career future, sharing PG technical books and extracurricular reading rankings

Complete hands-on steps for setting up Oracle GoldenGate PostgreSQL-to-Oracle data synchronization, covering environment configuration, OGG installation, and sync link creation

Hands-on steps for setting up Oracle GoldenGate Oracle-to-PostgreSQL sync link, covering environment preparation, OGG installation, parameter configuration, and sync verification.

Sharing my experience of getting into Wuhan University's part-time graduate program, covering differences between full-time and part-time, choosing a major and school, the management exam content, and early interview strategies

An introduction to the pg_rewind tool, its use cases and hands-on steps for resynchronizing after primary-standby timeline divergence, including wal_log_hints parameter configuration.

An in-depth analysis of replica identity's impact on old/new values in PostgreSQL logical replication, detailing data differences for UPDATE/DELETE under default and full modes.