Posts Categorized: Technical Blog

A Useful Tool to Centrally Manage Many MySQL Instances

I have been talking with a group of folks who have been making a product that has lots of free functionality, including the ability to centrally manage many MySQL instances. The administration functions include starting and stopping MySQL, seeing status and system variables, seeing and managing the MySQL config file (/etc/my.cnf), seeing and managing accounts, a small dashboard of overall health graphs, and more.

An SSH tool to make your life easier

A user group member mentioned PuTTY Connection Manager. It wraps around PuTTY and gets the existing saved connections, makes a nicely tabbed browsing window where you can open sessions by double-clicking the connections, which are now listed on the right-hand side.

sort_buffer_size and Knowing Why

This article will explain why changing the sort_buffer_size kills performance and stability, it will also talk more about understanding why, an integral part against the “Battle against any guess.” Baron’s recommendation to leave sort_buffer_size as the default is just as bad as all the advice given to change the sort_buffer_size, because all that advice (including Baron’s) does not explain the underlying causes.

The Doom of XtraDB and Percona Server?

I have a hard time trying to figure out the deeper meaning behind Peter’s post, given that Percona writes a storage engine for MySQL, XtraDB. Does this mean that Percona will stop developing XtraDB? Does this mean that the Percona Server will diverge farther and farther away from MySQL so that they’re not compatible any more and migrating from MySQL to Percona Server is very difficult?

Presentation and Interview at NoCOUG Spring Conference

NoCOUG Spring Conference 2010 is in just 10 days, I’ll be doing my two hour long presentation — Demystifying Oracle RAC Workload Management. If it’s your local conference, I hope you can attend and say hello. You might also want to download the whitepaper that I put together few years ago for Hotsos Symposium — Oracle RAC Workload Management.

Blogrotate #26: The Weekly Roundup of News for System Administrators

Hi there and welcome to Blogrotate in which I, your humble host and blogger, bring to you interesting stories and events from the past week in the SysAdmin world. It’s been yet another busy week, which is why this is coming out on a Sunday again, so I am going to have to short list this edition but there’s still plenty of tasty nuggets to be found. Read on.

Liveblogging: Tech Women Rule!

I am moderating and liveblogging the Professional IT Community Conference panel called Tech Women Rule! Creative Solutions for being a (or working with a female technologist. One point to keep in mind: The goal is not equality for equality’s sake. The goal is to have a diverse range of experience to make your company/project/whatever the best it could be. That being said, these issues are not just around women; they are about anyone who is “different”, whether it’s race, ethnicity, gender, sexual orientation, cultural. So what are some of the solutions?

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