Diagnose Before You Tune: Production Wait Event Analysis Across All Database Platforms

Top-10 Wait Events Query (Universal DB Performance Tuning)

⏱️ Estimated Reading Time: 18 minutes

During a live production slowdown, a fresher DBA once jumped straight into query tuning. Indexes were added, SQL was rewritten, and parameters were debated—yet performance did not improve.

The real issue was never SQL. The database was waiting on something else entirely. A simple Top-10 wait events query would have revealed the truth in minutes.

Understanding wait events is one of the fastest ways to move from a reactive DBA to a confident performance engineer trusted during real incidents.

SAP HANA Logging Behavior Explained: Commit, Savepoint & Crash Recovery (Real Production Guide)

⏱️ Estimated Reading Time: 12–14 minutes

SAP HANA Logging Behavior: What Really Happens During a Production Crash

It’s 2:13 AM. Your SAP application suddenly freezes. End users can’t post transactions. SAP HANA Studio shows the database restarting. Phone calls start coming in.

“Did we lose data?”

In real production environments, this question does not depend on luck. It depends entirely on how SAP HANA logging behavior works behind the scenes.

This article explains SAP HANA logging not as documentation theory, but as it behaves during real crashes, restarts, and recovery situations.