Tag Info

Hot answers tagged


Is a computer really drifting more than a second in a single day? I can barely imagine that. Yes, some do. Especially in virtualized environments. Running inside a virtual Machine (as it is the case on Azure) invalidates some fundamental assumptions that are used to keep time, making it even more difficult than on physical hardware. A modern computer is ...


On the box itself, you can use vmstat and iostat (part of the sysstat package). vmstat 1 will show you steal, which is the amount of cpu cycles that the hypervisor diverted from the VM to allocate to other VMs. You can also look at iowait, which is the % of cpu cycles spent waiting for I/O to complete. iostat -x -d 1 will show you svctm and await; ...

Only top voted, non community-wiki answers of a minimum length are eligible