Databases are complicated software made to handle the concurrent load while making specific guarantees about data consistency and availability. There are many scenarios which should be tested that can only happen under concurrent conditions.
Pstress is a probability-based open-source database testing tool designed to run in concurrency and to test if the database can recover when something goes wrong. It generates random transactions based on options provided by the user. With the right set of options, users can test features, regression, and crash recovery. It can create the concurrent load on a cluster or on a single server.
The tool is currently in beta, but it has already become very important within the testing pipeline for Percona. Pstress is widely used by Percona’s QA team during each phase of testing. It has …
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