True memory and CPU usage not matching docker stats

[Qmann]

Does anyone know how to get the real CPU and memory usage of a container? When it first appeared that memory was maxing, I passed passed the "-e CRASHPLAN_SRV_MAX_MEM=40960M" in creating the container as I wanted to give it nearly everything on memory to see where it topped out. But I cannot tell what it's actually doing. Here is what I see for Crashplan pro as an example during a backup:

Container station data 1:

CS1.png

Container station data 2:

CS2.png

A pure "docker stats" in the CLI on the core NAS:

CS3.png

And finally, and "top" command from inside the docker shell:

CS4.png

Container settings:

CS5.png

What is real? It looks to me the 21% CPU is real as I also did a TOP on the NAS CLI, and it matched the container TOP cpu usage. Resource panel on the NAS shows memory is 89% free which seems real.

So it seems the "RAM at 91%" in the Crashplan container station view is total BS? Or is there some limit on a container I don't know about and that's why it shows 91%?

Q

[Qmann]

Any takers?

[datamonkey]

I have a somewhat similar question and just opened a new topic on it. My Container Station Overview is showing 74% RAM usage, but the system is only showing 13%. There are 8 LXC containers running, but seven of them show 0% RAM usage and the last one shows 1%. In other words, they aren't using much. I'm not sure why there's a difference between what Container Station is showing and what the system is showing.

[Qmann]

I haven't been able to figure it out and assume that container station is just plain wrong.

[DaveM]

I've also noticed that the containers I have on "host" networking always show a consistent volume of network traffic and exactly the same even though they're all doing nothing. It's obvious the data is coming from higher up the chain I guess.

[kovacsgergely83]

Might be that the Container uses dynamic memory, and can expand from 0 to 8GB (in my case with an memory-upgraded a TS-431P2), but as long as it only requires let's say 700 MB memory at the moment, then is reserves only 1GB for the Conatiner itself, and then the 70% of 1GB is what we can see in Container Station, while in Resource Explorer it is much less?

[ve7tcc]

I have the same problem. I removed all containers, and it says 81%
I stopped QuMaggie, Qsirch, QNAP AI Core, and still 81%
Resource monitor shows only 28% usage.
Awaiting a call from QNAP support.

[lexius]

Hello. Did you get an answer from QNAP Support?