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Benchmarking IBM eXFlash™ DIMM with sysbench fileio

 | August 12, 2014 |  Posted In: Benchmarks, Insight for DBAs, MySQL

Diablo Technologies engaged Percona to benchmark IBM eXFlash™ DIMMs in various aspects. An eXFlash™ DIMM itself is quite an interesting piece of technology. In a nutshell, it’s flash storage, which you can put in the memory DIMM slots. Enabled by Diablo’s Memory Channel Storage™ technology, this practically means low latency and some unique performance characteristics. These […]

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Sysbench Benchmarking of Tesora’s Database Virtualization Engine

 | June 24, 2014 |  Posted In: Benchmarks, MySQL, OpenStack

Tesora, previously called Parelastic, asked Percona to do a sysbench benchmark evaluation of its Database Virtualization Engine on specific architectures on Amazon EC2. The focus of Tesora is to provide a scalable Database As A Service platform for OpenStack. The Database Virtualization Engine (DVE) plays a part in this as it aims at allowing databases […]

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Do not trust vmstat IOwait numbers

 | June 3, 2014 |  Posted In: Benchmarks, Insight for DBAs, MySQL, Percona Cloud Tools, Percona Server

I’ve been running a benchmark today on my old test box with conventional hard drives (no raid with BBU) and noticed something unusual in the CPU utilization statistics being reported. The benchmark was run like this:

Which means: create 64 threads and hammer the database with queries as quickly as possible. As the test […]

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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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