Re: Live memory allocation?

Tomasz Chmielewski
2009-03-30T15:15:31Z

Avi Kivity schrieb:
> Tomasz Chmielewski wrote:
>>>
>>> Double caching is indeed a bad idea. That's why you have cache=off
>>> (though it isn't recommended with qcow2).
>>
>> cache= option is about write cache, right?
>>
>> Here, I'm talking about read cache.
>>
>> Or, does "cache=none" disable read cache as well?
>
> cache=writethrough disables the write cache
> cache=none disables host caching completely

Still, if there is free memory on host, why not use it for cache?

--
Tomasz Chmielewski