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How to reduce memory usage per virtual server?

What should be the optimal CPU usage and Memory(RAM) Consumption for a Linux server running a Website?

  • My server is using Nginx and Unicorn to host a Ruby on Rails app.

  • Answer:

    100% CPU usage and 100% memory usage with no swap.

Jeremy Wilson at Quora Visit the source

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This depens enormously on the traffic and can range from almost none for a few visits per day to several servers. How much traffic are we talking about?

Unai Rodriguez

CPU consumption around 70 - 80% is considered optimal. Ideally with 50% or less a system performs better. While memory also can be considered in the same way. These values are only indicators of a good systems performance and these change according to the load that is on the server. Not just CPU and memory. The systems overall performance depends on many other factors like CPU cores, Swap, Disk I/O, Code optimization... to name a few

Venky Mullapudi

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