htop is an interactive process viewer for Linux. It is a text-mode application (for console or X terminals) and requires ncurses.

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Understanding difference between system and process memory in htop

I'm a bit confused by the memory stats that htop is reporting on one of our servers. On the top bars, it's showing system memory as: Mem: 456 / 7950MB So, looks very low usage. However, my main ...
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1answer
119 views

Debian 100% cpu every 30 minutes but not loggable?

I have a Debian 7 x64 machine running with Digital Ocean that has every 30 Minutes a 100% cpu usage for about 1 minute. A couple of days ago it stayed there for a couple of hours so the server finally ...
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166 views

htop CPU usage information does not look consistent

Please have a look at htop screenshot below You can see there that current host has two CPU cores (or CPUs). All processes are ordered by CPU usage descending. So how is it possible that with ...
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1answer
752 views

What do negative numbers under TIME+ in htop mean?

What do the red negative numbers I'm seeing displayed in htop mean? Should I be worried?
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Red VIRT tab in htop

I've tried to find some info on this and reading the source, but couldn't really figure it out. At work we have a bunch of machines with a lot of cores and memory, which we run computations on. ...
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htop / top in centos - identifying anonymous processes

Running HTOP on my webserver - I can see lots of anonymous processes. Obviously I can't track down what these are without knowing what is causing these. Any ideas on how I can track down what these ...