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petRUShka
Asked: 2011-01-25 10:19:48 +0800 CST

Linux: 64 bit VS 32 bit on server for web-app

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I want to choose distribution version of server on VDS\Cloud. I choosing between 32-bit and 64-bit.

From one side, server with 64-bit OS faster than same server with 32-bit OS (is it true?). From other side, each application on server with 64-bit OS require 2 times more RAM. And RAM is main property of server, because most of VDS\Cloud providers increase cost, when you increase RAM consumption.

I will use: MySQL, Ruby, Ruby on Rails, nginx

memory 32bit-64bit

1 Answers

  1. Best Answer

    From one side, server with 64-bit OS faster than same server with 32-bit OS (is it true?). From other side, each application on server with 64-bit OS require 2 times more RAM. And RAM is main property of server, because most of VDS\Cloud providers increase cost, when you increase RAM consumption.

    The 64 bit version of an operating system is not necessarily any faster than the corresponding 32 bit version...nor will a 64 bit OS necessarily require additional memory. On the other hand, the 64 bit operating system will be able to address substantially more memory, as will the applications.

    In general: if you're going to populate your server with more than 4GB of RAM, then you're probably best off with the 64 bit version of the operating system.

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