> On Jan 17, 2017, at 7:27 PM, Yaniv Kaul <[email protected]> wrote:
> 
> 
> 
> On Tue, Jan 17, 2017 at 11:05 AM, Vinzenz Feenstra <[email protected] 
> <mailto:[email protected]>> wrote:
> 
>> On Jan 17, 2017, at 9:43 AM, Roy Golan <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>> 
>> 
>> On 16 January 2017 at 12:35, Vinzenz Feenstra <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>>> On Jan 16, 2017, at 11:22 AM, Roy Golan <[email protected] 
>>> <mailto:[email protected]>> wrote:
>>> 
>>> 
>>> 
>>> On 16 January 2017 at 11:39, Guy Chen <[email protected] 
>>> <mailto:[email protected]>> wrote:
>>> O.k, Thanks !
>>> 
>>> Regards,
>>> 
>>> -----------------------------
>>> Guy Chen, RHEV-M
>>> Performance
>>> O: +972.9.7692152 <tel:%2B972.9.7692152>        M: +972.52.8545202 
>>> <tel:%2B972.52.8545202>
>>> [email protected] <mailto:[email protected]>
>>> 
>>> ----- Original Message -----
>>> > From: "Vinzenz Feenstra" <[email protected] 
>>> > <mailto:[email protected]>>
>>> > To: "Guy Chen" <[email protected] <mailto:[email protected]>>
>>> > Cc: [email protected] <mailto:[email protected]>, "Eyal Berman" 
>>> > <[email protected] <mailto:[email protected]>>, "Unname" 
>>> > <[email protected] <mailto:[email protected]>>
>>> > Sent: Monday, January 16, 2017 11:23:19 AM
>>> > Subject: Re: ovirt-guest-agent-common question
>>> >
>>> >
>>> > > On Jan 16, 2017, at 10:18 AM, Guy Chen <[email protected] 
>>> > > <mailto:[email protected]>> wrote:
>>> > >
>>> > >
>>> > > Hi
>>> > >
>>> > > After i am installing ovirt-guest-agent-common shutdown of a VM takes 
>>> > > about
>>> > > 90 seconds instead of 30 seconds without the agent.
>>> > > I am running on rhvm 4.1 build 4, host, engine and VM all are rhel 7.3,
>>> > > agent version is ovirt-guest-agent-common-1.0.13-2.el7ev.noarch.
>>> > > Has anyone encounter this issue ?
>>> >
>>> > This is pretty normal as there’s a timeout letting the users logged in 
>>> > save
>>> > their work etc. So the reboot is scheduled.
>>> > This is not an issue, this is simply by design.
>>> >
>>> 
>>> @Vinzenz If there is no logged in user this should be as quick as without 
>>> the tool and I guess there isn't a user logged in @Guy?
>> 
>> Well, the definition of ‘Someone is logged in’ is quite difficult to answer 
>> on linux machine.
>> 
>> Correct but if the system is doing nothing why would adding guest agent is 
>> adding > 1 min to the shutdown?  
> 
> The agent adds that, what it gets told to, it’s not hardcoded if that is your 
> point. “If the system is doing nothing” is again very subjective and not easy 
> to answer.
> Anyway you’re welcome to change that delay if you insist. It’s sent by the 
> engine via the VM.shutdown verb on vdsm as the delay parameter in seconds.
> 
> Just I don’t support this change and I do see too many potential pitfalls in 
> trying to determine if we should skip the delay or not - As I said, it’s a 
> matter which is too subjective.
> 
> I agree it's subjective, but the resulting user experience isn't pleasant 
> either  - it is perceived as if oVirt is making the VM slow, for no good 
> reason. I do think we could do a better job. For example, not to slow down 
> server OS VMs (we do not expect users logged in, and to save their work, 
> etc.), or only do it in Windows and when X is running, etc.

Sure, that’s not a big deal the engine easily can set the value to 0 if the 
type is a server. If we really have users getting annoyed by this. I have never 
heard of it however. So this seems not to be a very big problem for most users, 
rather a developer or tester issue because they need to work on that faster.

> Y.
> 
> 
>> 
>>>  
>>> > >
>>> > > Regards,
>>> > >
>>> > > -----------------------------
>>> > > Guy Chen, RHEV-M
>>> > > Performance
>>> > > O: +972.9.7692152 <tel:+972%209-769-2152>        M: +972.52.8545202 
>>> > > <tel:+972%2052-854-5202>
>>> > > [email protected] <mailto:[email protected]>
>>> > >
>>> >
>>> >
> 
> 
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