Sysbench MySQL is a useful benchmark tool. Read on to learn how to use it to your advantage. 

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What is Sysbench MySQL?

Database benchworks come in handy in comparing databases against a set standard. Moreover, it helps us understand the performance we can expect from a particular system. MySQL offers several benchmark tools like:

• DBT2
• HammerDB
• Sysbench

Sysbench offers us scriptable as well as multi-thread benchmark features for Linux. It comes with scenarios for database OLTP, CPU, filesystem, memory thread as well as mutex benchmarks.

Before we run the sysbench MySQL benchmark, the database has to be ready. In other words, the database has to have the appropriate objects crated and populated with data from ahead of running the benchmark.

Additionally, sysbench, accepts several arguments like :

• • -threads
  • -tables

-scale

How to benchmark MySQL performance with Sysbench

1. To begin with, we will install sysbench MySQL with the following command:

   yum -y install sysbench
2. Then, create files bigger than the RAM size to avoid it tampering with the benchmark result. This is done by setting –file-total-size value larger than RAM.

   cd /data1
    
   sysbench --test=fileio --file-total-size=500G prepare
3. Then, run the following command:

   sysbench --test=fileio --file-total-size=500G --file-test-mode=rndrw --init-rng=on --max-time=300 --max-requests=0 run

Furthermore, we can prepare tables and rows with MySQL. For instance, if we want the output with 3 tables where each table contains 10 million rows:

sysbench /usr/share/sysbench/oltp_read_write.lua --mysql-host=10.1.0.20 --mysql-port=5701 --mysql-user=sbtest --mysql-password='sbtestpwd' --mysql-db=sbtest --db-driver=mysql --tables=3 --table-size=10000000  prepare

We can also use one of the LUA scripts from the /usr/share/sysbench directory for the benchmark.

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Conclusion

In a nutshell, our skilled MySQL Support Engineers at Bobcares helped us understand more about sysbench MySQL.