Tag Archives: HammerDB

MariaDB Foundation Advances TAF with HammerDB 6.0 and xt_reservoir Integration

Written by Written by Jonathan Miller 1 Comment on MariaDB Foundation Advances TAF with HammerDB 6.0 and xt_reservoir Integration

Overview

While validating MariaDB RSS stability under stored procedure workloads, I ran into unexpected memory growth. The goal was straightforward: confirm that MariaDB was not leaking memory when running TPROC-C stored procedure workloads. To do this, I used HammerDB TPROC-C SP and added improved RSS monitoring so I could watch memory usage over long-duration runs.

The results were clear. MariaDB RSS stayed stable. HammerDB 5.0 kept growing, and growing.

This led to a deeper investigation into HammerDB itself, and ultimately to an update in TAF to support HammerDB 6.0 and a new RSS logging script.

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Simple tool to build MariaDB commits for performance-change analysis

Written by Written by Jonathan Miller

Tracking down changes in database performance is one of the hardest parts of engineering, especially when the change is buried somewhere in a long commit history.

To make this work easier and more repeatable, I put together a small but important tool:

MariaDBCommitBuilder.sh

This script does one thing well:

Given a commit hash, it checks out that commit, builds it cleanly, and packages it in a deterministic way so the Test Automation Framework (TAF) can run consistent performance tests.

Why this matters

  • When you are bisecting or doing a manual binary search across hundreds of commits, you need reproducible builds.

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