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Free RAM as cache

Posted: Sat Oct 10, 2015 9:37 pm
by rutra80
Would it be possible to use free RAM as cache instead of a fixed amount of RAM that is taken away from the OS? That's how Windows buffering works.

Re: Free RAM as cache

Posted: Sun Oct 11, 2015 2:41 am
by Support
So far this feature is not available. But thank you for the suggestion, we're also thinking about this function.

Re: Free RAM as cache

Posted: Sun Oct 11, 2015 12:26 pm
by rutra80
Also, it would be great if size of SSD cache didn't use up so much RAM. Intel SRT has an addressing scheme which avoids that problem I think, VeloSSD too. Would there be any drawbacks?

Re: Free RAM as cache

Posted: Mon Oct 12, 2015 4:24 am
by Support
rutra80 wrote:Also, it would be great if size of SSD cache didn't use up so much RAM.
Do you mean the overhead memory for SSD cache, or the overhead storage? I think you may use a bigger cache block size to reduce the overhead.

Re: Free RAM as cache

Posted: Mon Oct 12, 2015 2:11 pm
by rutra80
support wrote:
rutra80 wrote:Also, it would be great if size of SSD cache didn't use up so much RAM.
Do you mean the overhead memory for SSD cache, or the overhead storage? I think you may use a bigger cache block size to reduce the overhead.
I meant overhead memory for SSD cache. I know that increasing block size reduces the overhead, but there seem to be ways to eliminate the overhead almost completely (as in mentioned software).