On Fri, 2006-09-08 at 10:31 -0400, Justin Randall wrote: > I had been chasing a potential memory leak until “sar –r”, had > revealed that all the “mysteriously used” memory was actually being > taken up by the kernel data cache. It is chewing up all unused memory > on the system slowly over time, which is a concern. Why is this a concern? The larger a cache is, the more potential cache hits. Linux is pretty smart about managing caches and buffers, and will grow/shrink the cache depending on the amount of memory. -- Daniel