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How to improve InnoDB performance by 55% for write-bound loads

 | May 23, 2014 |  Posted In: Benchmarks, Hardware and Storage, Insight for DBAs, MySQL, Percona Live

Update: do not do this, this has been proven to corrupt data!   During April’s Percona Live MySQL Conference and Expo 2014, I attended a talk on MySQL 5.7 performance an scalability given by Dimitri Kravtchuk, the Oracle MySQL benchmark specialist. He mentioned at some point that the InnoDB double write buffer was a real […]

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Benchmark: SimpleHTTPServer vs pyclustercheck (twisted implementation)

 | May 16, 2014 |  Posted In: Benchmarks, Insight for DBAs, MySQL

Github user Adrianlzt provided a python-twisted alternative version of pyclustercheck per discussion on issue 7. Due to sporadic performance issues noted with the original implementation in SimpleHTTPserver, the benchmarks which I’ve included as part of the project on github use mutli-mechanize library, cache time 1 sec 2 x 100 thread pools 60s ramp up time 600s […]

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Tips on benchmarking Go + MySQL

 | May 14, 2014 |  Posted In: Benchmarks, MySQL, Percona Cloud Tools, Percona Server, Percona Software

We just released, as an open source release, our new percona-agent (https://github.com/percona/percona-agent), the agent to work with Percona Cloud Tools. This agent is written in Go. I will give a webinar titled “Monitoring All MySQL Metrics with Percona Cloud Tools” on June 25 that will cover the new features in percona-agent and Percona Cloud Tools, […]

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ScaleArc: Real-world application testing with WordPress (benchmark test)

 | April 29, 2014 |  Posted In: Benchmarks, Insight for DBAs, MySQL

ScaleArc recently hired Percona to perform various tests on its database traffic management product. This post is the outcome of the benchmarks carried out by me and ScaleArc co-founder and chief architect, Uday Sawant. The goal of this benchmark was to identify ScaleArc’s overhead using a real-world application – the world’s most popular (according to […]

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ScaleArc: Benchmarking with sysbench

 | March 31, 2014 |  Posted In: Benchmarks, Insight for DBAs, MySQL, Percona Live, Percona MySQL Consulting

ScaleArc recently hired Percona to perform various tests on its database traffic management product. This post is the outcome of the benchmarks carried out by Uday Sawant (ScaleArc) and myself. You can also download the report directly as a PDF here. The goal of these benchmarks is to identify the potential overhead of the ScaleArc […]

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16000 active connections – Percona Server continues to work when others die

 | February 4, 2014 |  Posted In: Benchmarks, MySQL, Percona Server

We just published results with improvements in Thread Pool in Percona Server: Percona Server: Thread Pool Improvements for Transactional Workloads Percona Server: Improve Scalability with Thread Pool What I am happy to see is that Percona Server is able to handle a tremendous amount of user connections. From our charts you can see it can […]

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Percona Server: Thread Pool Improvements for Transactional Workloads

 | January 29, 2014 |  Posted In: Benchmarks, MySQL, Percona Server

In a previous thread pool post, I mentioned that in Percona Server we used an open source implementation of MariaDB’s thread pool, and enhanced/improved it further. Below I would like to describe some of these improvements for transactional workloads. When we were evaluating MariaDB’s thread pool implementation, we observed that it improves scalability for AUTOCOMMIT […]

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Percona Server: Improve Scalability with Percona Thread Pool

 | January 23, 2014 |  Posted In: Benchmarks, MySQL, Percona Server

By default, for every client connection the MySQL server spawns a separate thread which will process all statements for this connection. This is the ‘one-thread-per-connection’ model. It’s simple and efficient until some number of connections N is reached. After this point performance of the MySQL server will degrade, mostly due to various contentions caused by […]

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