Yearly Archives - 2011

FOSDEM 2012 – MySQL and Friends devroom

2012 is near… and so is the next FOSDEM edition !
This year again, MySQL will be represented by its Community.
If you want to discuss with friend’s of MySQL it’s the place to be in February !
Like every year, FOSDEM takes place the first week-end of February in Brussels.
The MySQL and Friends devroom is Room […]

Read more

MySQL Training in Washington, DC

Many of you have seen the announcement for our Percona Live in Washington, DC in January! But did you know we also have our highly rated MySQL Training coming to Washington, DC the week of January 16h? Full details can be found on the Percona website. If you would like to attend the MySQL Training, click […]

Read more

Which Linux distribution for a MySQL database server? A specific point of view.

One of the more common questions I get asked is which Linux distribution I would use for a MySQL database server. Bearing the responsibility for someone else’s success means I should advise something that is stable, reliable, easy to manage and has plenty of resources available online. It should also allow running MySQL without […]

Read more

Fractal Tree Indexes – MySQL Meetup

At next month’s Boston MySQL Meetup, I will give a talk: “Fractal Tree Indexes – Theoretical Overview and Customer Use Cases.” The meetup is 7 pm Monday, January 9th, 2012, and will be held at MIT Building E51 Room 337e (corner of Ames & Amherst St, Cambridge, MA). Thanks to host Sheeri Cabral for […]

Read more

Announcing PAM authentication plugin for MySQL (early access release)

We are pleased to announce availability of an early access version of Percona’s PAM Authentication plugin for MySQL. This plugin supports MySQL-5.5.x, Percona Server 5.5.x and MariaDB 5.2.x. The PAM Authentication plugin can be used for:

MySQL authentication using operating system users (pam_unix)
MySQL authentication from LDAP server (pam_ldap)
authentication against RSA SecurID server
any other authentication methods […]

Read more

kernel_mutex problem cont. Or triple your throughput

This is to follow up my previous post with kernel_mutex problem.
First, I may have an explanation why the performance degrades to significantly and why innodb_sync_spin_loops may fix it.
Second, if that is correct ( or not, but we can try anyway), than playing with innodb_thread_concurrency also may help. So I ran some benchmarks with innodb_thread_concurrency.
[…]

Read more

kernel_mutex problem. Or double throughput with single variable

Problem with kernel_mutex in MySQL 5.1 and MySQL 5.5 is known: Bug report. In fact in MySQL 5.6 there are some fixes that suppose to provide a solution, but MySQL 5.6 yet has long way ahead before production, and it is also not clear if the problem is really fixed.
Meantime the problem with kernel_mutex […]

Read more

An update on Percona Live MySQL Conference & Expo 2012

We announced a while back that we were going to continue the traditional MySQL conference in Santa Clara, because O’Reilly wasn’t doing it anymore. But we haven’t given an update in a while. Here’s the current status:

We created a conference committee.
We created a conference website that allows people to create an account […]

Read more