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Why is "System Cache" in Physical Memory so large, and "Free" memory so small?

Is there a way to throttle "System Cache"
 
John said:
Why is "System Cache" in Physical Memory so large, and "Free" memory so
small?

Is there a way to throttle "System Cache"
Click to expand...

Cache is freed up as more memory is required for applications so you do not
need to do anything,
This is by design to ensure the maximum cache is used where ever possible.
(Think about it - why have free memory when you can use it for the running
apps then if they start more apps reduce the system cache for those new
running apps etc)
For example my x64 system with 4GB of RAM and only 4 apps open has only 7MB
of free memory but 2GB of system cache - but as I open more applications the
system cache reduces, so my free memory is usually close to zero but cache
shrinks as needed.
 
Mike said:
Cache is freed up as more memory is required for applications so you do
not need to do anything,
This is by design to ensure the maximum cache is used where ever possible.
(Think about it - why have free memory when you can use it for the
running apps then if they start more apps reduce the system cache for
those new running apps etc)
For example my x64 system with 4GB of RAM and only 4 apps open has only
7MB of free memory but 2GB of system cache - but as I open more
applications the system cache reduces, so my free memory is usually
close to zero but cache shrinks as needed.
Click to expand...

John - Mike Brannigan has given you an elegant, thorough answer. Here's
another, blunter one:
The days of DOS and Win9x/ME are over. With modern operating systems
unused memory is wasted memory. So tinker with something else. ;-)

Malke
 
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