Question

Memory graph showing 80% but TOP command showing much less

Posted April 6, 2020 200 views
Ubuntu 18.04

Hi! I am running a Ubuntu 18.04 on a droplet. Droplet size is 8GB memory and 160GC disk. In the graphs page on my dashboard, the “Memory” usage is at 80%. CPU shows around 0.2%, disk shows around 2%.

The droplet hosts lost traffic website. I have mysql running and a wsgi application running (production server for django application).

When I run the TOP command, memory % is nowhere near 80%. What am I not understanding? Why are the graphs not correlating with the TOP command output?

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1 answer

I believe that DO reports MemTotal - MemAvailable in the statistics. You can find these values in your system memory statistics at /proc/meminfo

MemAvailable is an estimate of memory available for applications (and does not include memory available for systems).

Your top statistics show statistics for both application and system use.

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