Cloud and NoSQL

Percona Server now both SQL and NOSQL

Just yesterday we released Percona Server 5.1.52-12.3 which includes HandlerSocket. This is third-party plugin, developed by Akira Higuci, DeNA Co., Ltd and explained in Yoshinori Matsunobu’s blog post.
What is so special about it:

It provides NOSQL-like requests to data stored in XtraDB. So in the same time you can access your data in SQL and […]

Read more

High availability for MySQL on Amazon EC2 – Part 5 – The instance monitoring script

This post is the fifth of a series that started here.
From the previous posts of this series, we now have an instance restart script that can restart the database node in case of failure and automatically reconfigure Pacemaker and the other servers that needs to access the MySQL server. What we will […]

Read more

Tokyo Tyrant -The Extras Part III : Write Bottleneck

This is part 3 of my Tyrant extra’s, part 1 focused on durability, part 2 focused on the perceived performance wall.
#3.  Tokyo Cabinet Can have only a single writer thread, bottlenecking performance
When writing an application using Tokyo Cabinet only one connection can be opened as a “writer”  while the rest are readers.  Tyrant allows […]

Read more

Tokyo Tyrant – The Extras Part II : The Performance Wall

Continuing my look at Tokyo Tyrant/Cabinet and addressing some of the concerns I have seen people have brought up this is post #2.
#2.  As your data grows does  Tokyo Cabinet slow down?
Yes your performance can degrade. One obvious performance decrease with a larger dataset  is you start to increase the likelihood that your data […]

Read more