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The future calculus of memory management

The future calculus of memory management

Posted Jan 20, 2012 16:05 UTC (Fri) by felixfix (subscriber, #242)
In reply to: The future calculus of memory management by vlovich
Parent article: The future calculus of memory management

More RAM in a virtual server could re-allocate RAM on the fly between instances.


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The future calculus of memory management

Posted Jan 20, 2012 17:56 UTC (Fri) by Cyberax (✭ supporter ✭, #52523) [Link]

That doesn't help. Linux uses spare RAM for file system cache, so it quickly fills up.

There's 'balloon driver' which can return memory to the host OS, but it doesn't really work that well with dynamic policies.

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