Re: [HTCondor-users] CPU usage & network usage not reported correctly with recent versions of Docker

[andrew.lahiff@xxxxxxxxxx]

Hi Greg,

I can confirm that when HTCondor 8.6.1 is used with the latest version of Docker (17.03.0), RemoteUserCpu, NetworkInputMb and NetworkOutputMb seem to be correct.

However, I noticed that RemoteSysCpu is always zero [1]. RemoteSysCpu is also always zero when HTCondor 8.6.0 is used with older versions of Docker, e.g. 1.12.6 [2]. Are there any combinations of HTCondor and Docker versions where RemoteSysCpu is known to be reported correctly?

Thanks,
Andrew.

[1] it's easy to write a little test code that results in non-zero sys cpu time.
[2] both with real jobs and a test code.

________________________________________
From: Lahiff, Andrew (STFC,RAL,SC)
Sent: Thursday, February 16, 2017 6:07 PM
To: HTCondor-Users Mail List
Subject: RE: [HTCondor-users] CPU usage & network usage not reported correctly with recent versions of Docker

Hi Greg,

Thanks for the quick reply, I'll try 8.6.1 when it comes out.

Regards,
Andrew.

________________________________________
From: HTCondor-users [htcondor-users-bounces@xxxxxxxxxxx] on behalf of Greg Thain [gthain@xxxxxxxxxxx]
Sent: Thursday, February 16, 2017 5:08 PM
To: htcondor-users@xxxxxxxxxxx
Subject: Re: [HTCondor-users] CPU usage & network usage not reported correctly with recent versions of Docker

On 02/16/2017 10:34 AM, andrew.lahiff@xxxxxxxxxx wrote:
> Hi,
>
> I noticed that with Docker 1.13.1 HTCondor seems to no longer report CPU usage correctly (RemoteUserCpu & RemoteSysCpu are always both zero) or network stats (NetworkInputMb & NetworkOutputMb don't exist at all). With older versions of Docker, e.g. 1.12.6, everything seems fine. Has anyone else found this?
>

Andrew:

We just put a fix into 8.6.1 for something very similar, HTCondor ticket
#6088, which I think will fix this problem.

-greg
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