New distribution of random generator for sysbench – Zipf
Sysbench has three distribution for random numbers: uniform, special and gaussian. I mostly use uniform and special, and I feel that both do not fully reflect my needs when I run benchmarks. Uniform is stupidly simple: for a table with 1 mln rows, each row gets equal amount of hits. This barely reflects real system, it also does not allow effectively test caching solution, each row can be equally … [Read More]
Zero-downtime schema changes webinar recording
The recording and slides for my webinar on zero-downtime schema changes with MySQL are available now. Don't miss Vadim's webinar tomorrow! … [Read More]
Webinar: MySQL and SSD
Just as a reminder - tomorrow, May-9, 2012, at 11am PDT I will be giving a free webinar "MySQL and SSD". This is the same talk I gave on Percona Live MySQL Conference, so if you were there - you probably will find nothing new. Otherwise, you are welcome to join! … [Read More]
Introducing Zend DBi as a MySQL Replacement on IBM i
You might have heard that Oracle made the decision not to support MySQL for IBM i any longer. This is certainly understandable. However, there are still users who want to continue running IBM i and MySQL. That's why we're happy to announce that we have assisted Zend to introduce Zend DBi as a drop-in replacement for MySQL on the IBM i platform. Zend approached us to say that they want to … [Read More]
Testing Fusion-io ioDrive – now with driver 3.1
In my previous post with results for Fusion-io ioDrive we saw some instability in results, I was pointed that it may be fixed in new drivers VSL 3.1.1. I am not sure if this driver is available for everyone - if you are interested, please contact your Fusion-io support representative. I installed new drivers and firmware, and in fact, the result improved. … [Read More]
