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July 26, 2016
Testing Samsung storage in tpcc-mysql benchmark of Percona Server
This blog post will detail the results of Samsung storage in [crayon-6973d6f86d591519274675-i/] benchmark using Percona Server. I had an opportunity to [...]
May 13, 2016
Benchmark MongoDB with sysbench
In this blog post, we’ll discuss how to benchmark MongoDB with sysbench. In an earlier post, I mentioned our use [...]
April 13, 2016
Evaluating Database Compression Methods: Update
This blog post is an update to our last post discussing database compression methods, and how they stack up against [...]
March 17, 2016
Percona Server 5.7 performance improvements
In this blog post, we’ll be discussing Percona Server 5.7 performance improvements. Starting from the Percona Server 5.6 release, we’ve [...]
February 1, 2016
InnoDB and TokuDB on AWS
In a recent post, Vadim compared the performance of Amazon Aurora and Percona Server on AWS. This time, I am comparing [...]
January 7, 2016
Apache Spark with Air ontime performance data
There is a growing interest in Apache Spark, so I wanted to play with it (especially after Alexander Rubin’s Using Apache Spark post). To start, [...]
December 15, 2015
MongoDB 3.2 WiredTiger in iiBench
MongoDB 3.2 was recently released with WiredTiger as the default storage engine. In just over five years, MongoDB has evolved [...]
October 26, 2015
State of Percona Server 5.6, MySQL 5.6 and MySQL 5.7 RC
This week Oracle will release MySQL 5.7 GA, so it’s a perfect time to do a quick review of the [...]
September 9, 2015
Testing MySQL partitioning with pt-online-schema-change
There are cases where we need to implement MySQL partitioning, or at least test if it is an option to solve an [...]
August 7, 2015
The MySQL query cache: Worst enemy or best friend?
During the last couple of months I have been involved in an unusually high amount of performance audits for e-commerce [...]
July 29, 2015
Multi-source replication in MySQL 5.7 vs Tungsten Replicator
MySQL 5.7 comes with a new set of features and multi-source replication is one of them. In few words this [...]
July 24, 2015
InnoDB vs TokuDB in LinkBench benchmark
Previously I tested Tokutek’s Fractal Trees (TokuMX & TokuMXse) as MongoDB storage engines – today let’s look into the MySQL [...]
July 14, 2015
MongoDB benchmark: sysbench-mongodb IO-bound workload comparison
In this post I’ll share the results of a sysbench-mongodb benchmark I performed on my server. I compared MMAP, WiredTiger, [...]
June 17, 2015
Update on the InnoDB double-write buffer and EXT4 transactions
IMPORTANT: DON’T TRY THIS IN PRODUCTION. As demonstrated by Marko (see comments), it may corrupt your data. In a post, [...]
May 22, 2015
MongoDB / TokuMX plugin for LinkBench (Part 1)
“There’s no benchmark for how life’s “supposed” to happen. There is no ideal world for you to wait around for. [...]
May 1, 2015
LinkBenchX: benchmark based on arrival request rate
An idea for a benchmark based on the “arrival request” rate that I wrote about in a post headlined “Introducing [...]
April 10, 2015
Measuring the impact of tcpdump on Very Busy Hosts
A few years back Deva wrote about how to use tcpdump on very busy hosts. That post sparked my interest [...]
February 24, 2015
Is MySQL’s innodb_file_per_table slowing you down?
MySQL’s innodb_file_per_table is a wonderful thing – most of the time. Having every table use its own .ibd file allows [...]
January 26, 2015
MySQL benchmarks on eXFlash DIMMs
In this blog post, we will discuss MySQL performance on eXFlash DIMMs. Earlier we measured the IO performance of these [...]
January 21, 2015
Importing big tables with large indexes with Myloader MySQL tool
Mydumper is known as the faster (much faster) mysqldump alternative. So, if you take a logical backup you will choose [...]