Supporting continuity and open collaboration

Lua sysbench – crash course

This is a follow-up on my previous blog post about using Lua enabled sysbench. Today I will dive into how to write Lua scripts for sysbench.

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Using Lua-enabled sysbench

A quite common benchmark for MySQL is sysbench. It was written nearly 10 years ago by Alexey Kopytov. Sysbench has modes to benchmark raw CPU performance, mutex speed, scheduler overhead and file IO performance. The probably most often used sysbench mode is OLTP. This benchmark mimics a OLTP scenario with small transactions hitting an optimized […]

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On performance of JDBC drivers.

Back when the first version of the MariaDB Java Client was released, someone asked in the comments about the performance characteristics of the driver compared to ConnectorJ. I answered with hand-waving, saying that nobody does anything stupid, the performance of the drivers would be roughly the same, but I promised to measure it and tell […]

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MariaDB Introduces Atomic Writes

When dealing with high performance, low latency storage devices, such as SSD cards, one finds bottlenecks in new places. This is a story about such a bottle neck and how to work around it.

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Sysbench OLTP: MySQL-5.6 vs. MariaDB-10.0

Oracle has now launched MySQL-5.6.10-GA, so it is time to come up with some new benchmark results. The test candidates in this benchmark run are MySQL-5.5.29 MySQL-5.6.10 MariaDB-5.5.28a MariaDB-10.0.1 The 5.5 versions are in because I wanted to check for any regressions. In the past we have often seen performance regressions in newer versions which […]

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