If you’re running ZFS on Linux and checking your system’s memory usage, you might be shocked to see that most of your RAM appears to be consumed. Don’t panic! This is actually by design, and it’s a good thing. The confusion When you run free -h, you might see something like this: $ free -h total used free shared buff/cache available Mem: 31Gi 28Gi 512Mi 128Mi 2.5Gi 2.8Gi Swap: 8.0Gi 1.
