Spurs Hammer

During the NBA final series there has been a move which has been mentioned so much in the forums and on the TV, it is the Hammer, which belongs to the Zipper Series of the Spurs playbook. This is really aesthetically pleasant move; and very difficult to implement, by the way.

Shared hostings, revenue per server

I continue trying to understand how hosting companies earn money with their services. I cannot calculate the TCO per server or per user, but I can do some figures to calculate the revenue per server: I have the prices on the web page and I can know the number of customers for a given server … Read more

The IT Spending Projections

This Gartner article talks about something I have been commenting with some colleagues several times: the customers are spending less and less money. IT is an industry that destroys itself, and some times or some events provokes the expenditure to be reduced. What the article provides are details and figures that explains the trend. It reduces … Read more

Thinking about a wandering life

Sometimes I think about how much “wondering” I am in a given moment, how ready I am for packing and going to any other place. Sometimes I see my self as an old guy who misses the home even when I still have not done any move to anyplace. Some other times I see myself … Read more

Hosting benchmark, bogoMips

When you are doing a hosting benchmark there are thousand common parameters all providers suggest to compete against others (size, bandwidth, #databases… ). The main secret of the providers is the speed. All providers hide this information: CPU speed and number of people hosted on the same server. These 2 parameters can vary, so at … Read more

Who are your IP neighbors?

Time response continues causing me headaches, but I’m discovering causes and differentiating the causes, so I’m progressing in the right direction. The situation now is that pictures are compressed and with a light weight, no code faults, reduced CSS and JS files, CDN activated, cache, etc. It depends on the pictures of the main screen … Read more

Flash Boys, Michael Lewis

After reading Liar’s Poker, I was in NYC bookstore and I couldn’t resist to buy this book. I’m not an expert on the field, even I do not consider myself an amateur, just a surprised citizen that was around. I knew what was HFT, the importance of latency, that the market volume was high for … Read more

Prestashop cache, disable it!

This is the summary, I had to disable the cache from Prestashop. The cache mechanism from Prestashop is a different thing from the CDN. To avoid confusion, I have activated a CDN and this works fine delivering the static content of the store (images, js, css, etc). The  issue is the internal cache system from … Read more