Re: What could cause high CPU load averages (no actual CPU usage)?

2023-10-27 Thread Justin Yates Fletcher
On Fri, 2023-10-27 at 10:49 +0200, Claudio Jeker wrote: > On Fri, Oct 27, 2023 at 01:54:28AM +0200, Justin Yates Fletcher > wrote: > > On Wed, 2023-10-25 at 20:25 -0400, Raul Miller wrote: > > > On Wed, Oct 25, 2023 at 8:16 PM Justin Yates Fletcher > > > wrote: > > > > On Wed, 2023-10-25 at 21:12

Re: What could cause high CPU load averages (no actual CPU usage)?

2023-10-27 Thread Daniele B.
Just to say that I check my temperature monitor for the cpu you want a laptop, you want a mini-pc for what concern the personal use. Different could be the story for the business case (servers). But recalling also some monitoring software like Nagios I do not think the suggestion results very

Re: What could cause high CPU load averages (no actual CPU usage)?

2023-10-27 Thread Claudio Jeker
On Fri, Oct 27, 2023 at 01:54:28AM +0200, Justin Yates Fletcher wrote: > On Wed, 2023-10-25 at 20:25 -0400, Raul Miller wrote: > > On Wed, Oct 25, 2023 at 8:16 PM Justin Yates Fletcher > > wrote: > > > On Wed, 2023-10-25 at 21:12 +0200, Mike Fischer wrote: > > > > > > > > > Am 25.10.2023 um

Re: What could cause high CPU load averages (no actual CPU usage)?

2023-10-26 Thread Justin Yates Fletcher
On Wed, 2023-10-25 at 20:25 -0400, Raul Miller wrote: > On Wed, Oct 25, 2023 at 8:16 PM Justin Yates Fletcher > wrote: > > On Wed, 2023-10-25 at 21:12 +0200, Mike Fischer wrote: > > > > > > > Am 25.10.2023 um 17:57 schrieb Theo de Raadt > > > > : > > > > Mike Fischer wrote: > > > > > > Am

Re: What could cause high CPU load averages (no actual CPU usage)?

2023-10-25 Thread Raul Miller
On Wed, Oct 25, 2023 at 8:16 PM Justin Yates Fletcher wrote: > On Wed, 2023-10-25 at 21:12 +0200, Mike Fischer wrote: > > > > > Am 25.10.2023 um 17:57 schrieb Theo de Raadt : > > > Mike Fischer wrote: > > > > > Am 25.10.2023 um 17:29 schrieb Theo de Raadt > > > We changed a lot of kernel

Re: What could cause high CPU load averages (no actual CPU usage)?

2023-10-25 Thread j
Mike Fischer writes: > > Could this be caused by something on the VMWare host machine? (The > host seems to be operating at limit regarding RAM for example. But the > VM is only using the normal percentage of its allocated RAM — way > below 100% and very constant usage, no swap.) >

Re: What could cause high CPU load averages (no actual CPU usage)?

2023-10-25 Thread Justin Yates Fletcher
On Wed, 2023-10-25 at 21:12 +0200, Mike Fischer wrote: > > > Am 25.10.2023 um 17:57 schrieb Theo de Raadt : > > > > Mike Fischer wrote: > > > > > > Am 25.10.2023 um 17:29 schrieb Theo de Raadt > > > > : > > > > > > > > Mike Fischer wrote: > > > > > > > > > True. But like I said, this was

Re: What could cause high CPU load averages (no actual CPU usage)?

2023-10-25 Thread Mike Fischer
> Am 25.10.2023 um 17:57 schrieb Theo de Raadt : > > Mike Fischer wrote: > >>> Am 25.10.2023 um 17:29 schrieb Theo de Raadt : >>> >>> Mike Fischer wrote: >>> True. But like I said, this was noticed because of the sudden increase on the same (OpenBSD) machine without any obvious

Re: What could cause high CPU load averages (no actual CPU usage)?

2023-10-25 Thread Mike Fischer
> Am 25.10.2023 um 19:01 schrieb Janne Johansson : > > > I process that is started every 5 seconds and exits after 10ms > > computation can cause the load to go up by 1. It just matters if it runs > > during the sampling time or not. This is why the load avarage is not > > accurate, it is an

Re: What could cause high CPU load averages (no actual CPU usage)?

2023-10-25 Thread Janne Johansson
> > > I process that is started every 5 seconds and exits after 10ms > > computation can cause the load to go up by 1. It just matters if it runs > > during the sampling time or not. This is why the load avarage is not > > accurate, it is an indication and if the value is below the number of >

Re: What could cause high CPU load averages (no actual CPU usage)?

2023-10-25 Thread Mike Fischer
> Am 25.10.2023 um 17:59 schrieb Claudio Jeker : > > I process that is started every 5 seconds and exits after 10ms > computation can cause the load to go up by 1. It just matters if it runs > during the sampling time or not. This is why the load avarage is not > accurate, it is an indication

Re: What could cause high CPU load averages (no actual CPU usage)?

2023-10-25 Thread Claudio Jeker
On Wed, Oct 25, 2023 at 05:24:50PM +0200, Mike Fischer wrote: > > > Am 25.10.2023 um 17:07 schrieb Theo de Raadt : > > > > Claudio Jeker wrote: > > > >> On Wed, Oct 25, 2023 at 11:57:54AM +0200, Mike Fischer wrote: > >>> I have been observing occasional bouts of high load averages on several >

Re: What could cause high CPU load averages (no actual CPU usage)?

2023-10-25 Thread Theo de Raadt
Mike Fischer wrote: > > Am 25.10.2023 um 17:29 schrieb Theo de Raadt : > > > > Mike Fischer wrote: > > > >> True. But like I said, this was noticed because of the sudden increase on > >> the same (OpenBSD) machine without any obvious reason. > > > > The reason is obvious. > > > > You

Re: What could cause high CPU load averages (no actual CPU usage)?

2023-10-25 Thread Mike Fischer
> Am 25.10.2023 um 17:29 schrieb Theo de Raadt : > > Mike Fischer wrote: > >> True. But like I said, this was noticed because of the sudden increase on >> the same (OpenBSD) machine without any obvious reason. > > The reason is obvious. > > You installed a completely different system. No,

Re: What could cause high CPU load averages (no actual CPU usage)?

2023-10-25 Thread Theo de Raadt
Mike Fischer wrote: > True. But like I said, this was noticed because of the sudden increase on the > same (OpenBSD) machine without any obvious reason. The reason is obvious. You installed a completely different system. There is no SLA on keeping the load average code's calculation the

Re: What could cause high CPU load averages (no actual CPU usage)?

2023-10-25 Thread Mike Fischer
> Am 25.10.2023 um 17:07 schrieb Theo de Raadt : > > Claudio Jeker wrote: > >> On Wed, Oct 25, 2023 at 11:57:54AM +0200, Mike Fischer wrote: >>> I have been observing occasional bouts of high load averages on several >>> servers I administer and I am trying to find the cause. (I monitor these

Re: What could cause high CPU load averages (no actual CPU usage)?

2023-10-25 Thread Theo de Raadt
Claudio Jeker wrote: > On Wed, Oct 25, 2023 at 11:57:54AM +0200, Mike Fischer wrote: > > I have been observing occasional bouts of high load averages on several > > servers I administer and I am trying to find the cause. (I monitor these > > machines so that I can implement corrective measures

Re: What could cause high CPU load averages (no actual CPU usage)?

2023-10-25 Thread Claudio Jeker
On Wed, Oct 25, 2023 at 11:57:54AM +0200, Mike Fischer wrote: > I have been observing occasional bouts of high load averages on several > servers I administer and I am trying to find the cause. (I monitor these > machines so that I can implement corrective measures in case of any > malicious or

Re: What could cause high CPU load averages (no actual CPU usage)?

2023-10-25 Thread Mike Fischer
> Am 25.10.2023 um 14:32 schrieb Dave Voutila : > > > Mike Fischer writes: > >> I have been observing occasional bouts of high load averages on >> several servers I administer and I am trying to find the cause. (I >> monitor these machines so that I can implement corrective measures in >>

Re: What could cause high CPU load averages (no actual CPU usage)?

2023-10-25 Thread Dave Voutila
Mike Fischer writes: > I have been observing occasional bouts of high load averages on > several servers I administer and I am trying to find the cause. (I > monitor these machines so that I can implement corrective measures in > case of any malicious or abnormal activity. I think this is

What could cause high CPU load averages (no actual CPU usage)?

2023-10-25 Thread Mike Fischer
I have been observing occasional bouts of high load averages on several servers I administer and I am trying to find the cause. (I monitor these machines so that I can implement corrective measures in case of any malicious or abnormal activity. I think this is benign, but I’d still like to find