Yes, you are right, load 30 with a 2 CPU VM is nearly impossible.
In the past, there where a issue with a defect HD and a failing
resync on glusterfs here in the list.
- Take a look deeper look on your ovirt-node(s)
-- Systemcalls with (seeing kernel und userspace syscalls):
# perf top
- IO with:
# iotop
- Processes with:
# htop
Ansible Script to install the tools:
---
#
# Install Additional Packages on Centos 7 machines
# Possible Repos: base,updates,extras,centosplus
#
- hosts:
- ovirt-nodes
gather_facts: False
tasks:
- name: Install additional Packages
yum:
enablerepo: base
name:
- perf
- iotop
state: present
- name: Install additional remote Packages
yum:
name:
-
https://kojipkgs.fedoraproject.org/packages/htop/2.2.0/1.el7/x86_64/htop-...
state: present
...
On 10/19/18 2:46 PM, Jayme wrote:
I'm wondering how I can best limit the ability of VMs to overrun
the
load on hosts. I have a fairly stock 4.2 HCI setup with three well
spec'ed servers, 10Gbe/SSDs, plenty of ram and CPU with only a hand
full of light use VMs. I notice when the occasional demanding job is
run on a VM I'm seeing load average on host node shoot up in to the
20-30s, how can a single "medium" vm cause host load to rise so high?
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