Archive for September, 2009
Monday, September 28th, 2009 Posted in en_US, mysql, performance | No Comments »
This is a complex problem: You are mapping events (of some kind) with a start and end timestamp, but how do you know, for a specific interval [ti,tf] (timeslot), how ... Read more..
Monday, September 28th, 2009 Posted in en_US, mysql, wikipedia | 3 Comments »
We are trying to gather some particular statistics about portuguese wikipedia usage.
I proposed myself for import the ptwiki-20090926-stub-meta-history dump, which is a XML file, and we'll be running ... Read more..
Monday, September 28th, 2009 Posted in en_US, monitorização | No Comments »
We recently had to look at a server which occasionaly died with DoS. I was manually monitoring a lot of stuff while I was watching a persistent BIG apache worker ... Read more..
Saturday, September 26th, 2009 Posted in en_US, monitorização, mysql, performance | No Comments »
I just came across a particular feature of MySQL while using inspecting a Query Cache being wiped out at backup times. Whenever you run FLUSH TABLES, the whole Query Cache ... Read more..
Thursday, September 24th, 2009 Posted in mysql, performance, pt_PT | 3 Comments »
Apesar do tamanho dos campos VARCHAR não influenciar o tamanho dos índices, este tipo de dados (e outros semelhantes) comportam uma série de características que podem afectar seriamente a performance. ... Read more..
Tuesday, September 15th, 2009 Posted in pt_PT, sugarcrm | No Comments »
Para a versão GA do SugarCRM 5.5, estamos a preparar algumas surpresas para a versão 5.1 da IPBrick:
Disponibilização do suporte integrado para qualquer das versões SugarCRM 5.2 e 5.5 (Community ... Read more..
Sunday, September 6th, 2009 Posted in dri, en_US, mysql | 2 Comments »
Doing the maintenance of our blogs (Wordpress), I bumped over one that had fallen on an active botnet. It was receiving like 5 or 6 spam comments per minute. It ... Read more..
Wednesday, September 2nd, 2009 Posted in en_US, linux driver, scaling | No Comments »
Last Sunday I commented about Pedro's opinion about cloud computing and thought I could give my blog a reversed trackback :) Here it goes:
I think Pedro's message is important. Cloud ... Read more..