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akopytov / sysbench

Scriptable database and system performance benchmark
GNU General Public License v2.0
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sysbench in virtualized environments #296

Closed Daparrag closed 5 years ago

Daparrag commented 5 years ago

sysbench in virtualized environments

Hi all.

My name is diego and I'm computer science student. recently I start to work with sysbench, and small question came to my mind.

I would like to know which is the internal sysbench architecture. Most specifically, i want to know which are its system requirements. Or in another words, which system resources are used by sysbench in order to perform measures.

This is important because I want to use it in a virtualized embedded systems, where the Guest OS doesn't have a complete view of the underlying platform (I.e. CPU control registers, performance monitor units PMU, etc.)

akopytov commented 5 years ago

sysbench is a customizable workload generator, i.e. users define which system resources to stress by choosing workloads or implementing their own ones. sysbench also comes with a few bundled workloads listed in README.

There are some simple microbenchmarks stressing CPU, memory or disk, for example. But the most popular ones are database load generators (the oltp_* scripts), where it's hard to name a particular resource being targeted – it all depends on too many things, including workload parameters, available resources and database server configuration.