Category Archives: thoughts

The art of benchmarking and performance evaluations

Over the last cou­ple of years I have done a lot of bench­mark­ing and per­for­mance eval­u­a­tion work. When a mem­ber of my team comes up with a good idea or drags some new tech­nol­ogy into the office the first remark usu­ally is  ” How does it per­form and will it scale? ” Today I will be

MySQL 5.5 is now GA!

This is going to be a goooood day. MySQL 5.5 just went GA and I have time to play with it this morn­ing … Read the offi­cial release announce­ment here. I last played with MySQL 5.5 a cou­ple of month ago. When replac­ing the bina­ries only, eg. no change in the con­fig­u­ra­tion  file I have

Why ZFS rocks for databases …

My series of posts regard­ing Bac­ula has resulted in a num­ber of ques­tions about why we have large MySQL data­bases on ZFS. This post will give you a birds-eye view on  exactly why ZFS is so cool for data­base deploy­ments. If you do not know what ZFS is you should read this. Data Integrity Data

Canonical’s Landscape is flawed.

Canon­i­cal, the com­pany behind Ubuntu, has announced a beta ver­sion of it’s new cen­tral­ized man­age­ment soft­ware called Land­scape. Land­scape is tar­geted at large scale deploy­ments of Ubuntu and since man­age­abil­ity mat­ters to me I was intrigued by the pos­si­bil­ity to con­sid­er­ably ease the admin­is­tra­tion of deployed Ubuntu sys­tems. Land­scape can do a lot of stuff

Thoughts on OpenBSD manageability

I care about man­age­abil­ity because it directly influ­ences my job and defines how much time I have to spend on triv­ial tasks like patch­ing or upgrad­ing oper­at­ing sys­tems. My goal is to spend as lit­tle time as pos­si­ble doing triv­ial & repet­i­tive stuff so that I have more time for things that I con­sider more