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April 26, 2013
More on MySQL transaction descriptors optimization
Since my first post on MySQL transaction descriptors optimization introduced in Percona Server 5.5.30-30.2 and a followup by Dimitri Kravchuk, [...]
April 16, 2013
Testing the Micron P320h
The Micron P320h SSD is an SLC-based PCIe solid-state storage device which claims to provide the highest read throughput of [...]
April 15, 2013
Memory allocators: MySQL performance improvements in Percona Server 5.5.30-30.2
In addition to the problem with trx_list scan we discussed in Friday’s post, there is another issue in InnoDB transaction [...]
April 12, 2013
trx descriptors: MySQL performance improvements in Percona Server 5.5.30-30.2
One major problem in terms of MySQL performance that still stands in the way of InnoDB scalability is the trx_list [...]
March 27, 2013
Why MySQL Performance at Low Concurrency is Important
A few weeks ago I wrote about “MySQL Performance at High Concurrency” and why it is important, which was followed [...]
March 21, 2013
Testing the Virident FlashMAX II
Approximately 11 months ago, Vadim reported some test results from the Virident FlashMax 1400M, an MLC PCIe SSD device. Since [...]
March 19, 2013
Facebook at Percona Live MySQL Conference and Expo and Advanced Registration Ending Soon
Facebook is a major user of MySQL and has pushed the performance limits of the technology. Their MySQL experts have [...]
March 12, 2013
Oracle Technical Experts at the Percona Live MySQL Conference and Expo
I’m pleased to announce that Oracle is sending some of their top technical people to speak at the Oracle, will [...]
March 8, 2013
MySQL performance: Impact of memory allocators (Part 2)
Last time I wrote about memory allocators and how they can affect MySQL performance in general. This time I would [...]
February 20, 2013
Mystery Performance Variance with MySQL Restarts
Based on a lot of surprising comments about my MySQL 5.5 vs 5.6 performance post I decided to perform deeper [...]
October 25, 2012
L2 cache for MySQL
The idea to use SSD/Flash as a cache is not new, and there are different solutions for this, both OpenSource [...]
October 23, 2012
Quality Assurance: Percona Server Development Now Monitored by Automated Sysbench Performance Regression Checks!
Continuous integration of new features and bug fixes is great – but what if a small change in seemingly insignificant [...]
October 8, 2012
MySQL 5.6.7-RC in tpcc-mysql benchmark
MySQL 5.6.7 RC is there, so I decided to test how it performs in tpcc-mysql workload from both performance and [...]
September 20, 2012
A (prototype) lower impact slow query log
Yesterday, over at my personal blog, I blogged about the impact of the MySQL slow query log. Since we’re working [...]
September 11, 2012
Intel SSD 910 vs HDD RAID in tpcc-mysql benchmark
I continue my benchmarks of Intel SSD 910, previous time I compared it with Fusion-io ioDrive https://www.percona.com/blog/2012/09/07/intel-ssd-910-in-tpcc-mysql-benchmark/. Now I want [...]
September 10, 2012
Adaptive flushing in MySQL 5.6 – cont
This is to continue my previous experiments on adaptive flushing in MySQL 5.6.6. Now I am running Ubuntu 12.04, which [...]
September 7, 2012
Intel SSD 910 in tpcc-mysql benchmark
I continue my benchmarks of Intel SSD 910, the raw IO results are available in my previous experiment. Now I [...]
September 4, 2012
Testing Intel® SSD 910
Intel came on PCI-e SSD market with their Intel SSD 910 card. With a slogan “The ultimate data center SSD” [...]
September 4, 2012
Adaptive flushing in MySQL 5.6
As you may know, flushing in MySQL is an area of my interest, I wrote about it several times, i.e. [...]