Linux’ kscand

In Linux the kscand process is a kernel process which is a key component of the virtual memory (vm) system.  According to Unix Tech Tips & Tricks’ excellent Understanding Virtual Memory article “The kscand task periodically sweeps through all the pages in memory, taking note of the amount of time the page has been in …

Linux Memory Monitoring

As a Linux System Administrator one question that I get asked quite often is to look into memory issues. The Linux memory model is rather more complex that many other systems and looking into memory utilization is not always as straightforward as one would hope, but this is for a good reason that will be …