[Xen-users] xen + centos + python, update save

[Heiko <rupertt@xxxxxxxxx>]

Hello,
i have some dom0 where it lools like that some python processes
becomming a bit greedy.
Is it safe to do an yum update inside the dom0 and update the domU later?
We need a reboot, because there is a new kernel, do the old-kernel VM
still run ?

A week ago one machine got unresponsive and I could barley reboot it,
a ssh login
took 5 minutes or something, and each time I entered a command it took ages to
get executed, i fear this had something to do with the python process
or is it possible that one VM takes down all the others incl. dom0?
Is there a mechanism that prevents a VM from blocking the whole dom0?

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
11349 root      15   0  8852 1356  556 R   12  0.0   2851:11 xenstored
11360 root      17   0  400m  29m 1524 S    3  1.0 901:46.31 python
 6200 root      25   0  143m 7308 2648 S    2  0.2   0:00.05 python
 6213 root      18   0  143m 7308 2648 S    2  0.2   0:00.05 python
 6233 root      18   0  143m 7300 2648 S    2  0.2   0:00.05 python
 6241 root      18   0  143m 7308 2648 S    2  0.2   0:00.05 python
 6246 root      18   0  143m 7304 2648 S    2  0.2   0:00.05 python


thx

Heiko

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