This was caused by a fix for RHEL 8 having different memory reporting style to RHEL 7.

It seems the fix was a bit too enthusiastic, as predicted.

If everyone stopped using RHEL, we wouldn't have these issues, though...

Adam.

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On 31 Oct 2019, at 13:16, Graeme Davis via observium <observium@observium.org> wrote:
I'm seeing this issue as well after updating to 19.10.10148, all my memory graphs went from low values to 90%+ mempool_perc.  Is there a fix?  For now, I updated my memory alert checks to be mempool_perc > 100 to disable the false alarms.

Thanks,

Graeme


On Mon, Oct 28, 2019 at 12:20 PM Oberreiter Andreas via observium <observium@observium.org> wrote:
Hello all,

I have a Red Head Enterprise Linux 7 Device for which the Free Memory is calculated wrong. (I think)
All worked fine until 3 Weeks ago, now I get a wrong free memory value.

The poller Module for Memopools reads:
+-----------------+--------------------+-------+--------+--------+--------+--------+
| Label           | Type               | Index | Total  | Used   | Free   | Perc   |
+-----------------+--------------------+-------+--------+--------+--------+--------+
| Virtual memory  | HOST-RESOURCES-MIB | 3     | 47.5GB | 15.2GB | 32.3GB | 31.99% |
| Memory buffers  | HOST-RESOURCES-MIB | 6     | 15.5GB | 52.4MB | 15.4GB | 0.33%  |
| Swap space      | HOST-RESOURCES-MIB | 10    | 32GB   | 602MB  | 31.4GB | 1.84%  |
| Physical Memory | UCD-SNMP-MIB       | 0     | 15.5GB | 14.6GB | 912MB  | 94.25% |
+-----------------+--------------------+-------+--------+--------+--------+--------+

A free -m reads:
              total        used        free      shared  buff/cache   available
Mem:          15871        2629         884        8662       12357        4209
Swap:         32767         602       32165


Kind regards
Mit freundlichen Grüßen
Ing. Andreas Oberreiter (EDV)
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