raspberry pi cluster performance

I want to take a set of Raspberry Pi cluster, used to do the front end of the site, the website is written in PHP, no database. I want to know how many raspberry pies are needed to achieve the same performance as a E3 server (or other PC server), and has anyone done similar

I want to build a Raspberry Pi cluster to serve as the front-end of the website. The website is written in php without a database. I want to know how many Raspberry Pi is required to achieve the same performance as an E3 server (o

this tested storage system. What I want to do is to make this system into a fault-tolerant Web server cluster. Raspberry Pi's CPU processing speed and memory resources are not very high. Fortunately, it is more than enough to deal with a static Web server. I deliberately made this example very simple, because I think if you can flat this simple example, you can also deal with complicated problems.Install N

it to be set.7 Add your Raspberry Pi to the online warehouseis to ask if you'd like to add your Raspberry Pi to the online warehouse.8 overclockingTry a generation of Raspberry Pi, the effect is not obvious, 2 generations after t

open source gather to do live:-) stream image no problem, but the voice, but also want to do. 9. Plug in the webcam will be all over the scene when the image stream to the Internet. can stream webcam to the Internet to share with the landscape or small animals. 10. The Thunder God's Hammer 3 on the Raspberry Pi to capture the source according to the following Web page modified and edited, about an hour c

Many people are interested in Raspberry Pi's hardware hack function, one thing I see is Raspberry Pi's low power consumption function. I can use it to replace the Linux Server currently in use. In my previous articles, I have introduced how to use Raspberry Pi to replace these servers to manage my beer fridge and a

First, pre-preparationReach the goal:Using Rapberry Pi to drive MQ-2 smoke Alarm module, the information is collected and extracted, and then Zabbix monitoring system to collect and process information collected.1. Prepare the Raspberry Pi (Raspberry Pi) One2.MQ-2 Harmful ga

, this configuration should also be able to run on Raspberry Pi Model B; 512 MB memory is more than enough for us. Although the performance may not be as good as Raspberry Pi 2, Model B has only one single-core CPU compared to four-core