unbalanced jobs

[David Caro]

On Sun 15 Jun 2014 03:38:10 PM CEST, Eyal Edri wrote:
> this is deceiving.
> jenkins slave 04 actually has only 3 executors, so only 3 jobs in parallel can run on it.
> but it can host as many "parent" jobs for matrix jobs as jenkins master assigns to him.
> it doesn't mean it's running anything, it's just uses that slave as starting point before
> running all the configuration on other slaves, afaik the only thing done is git clone on that slave and that's all.
>
> ----- Original Message -----
>> From: "Sandro Bonazzola" <sbonazzo at redhat.com>
>> To: "infra" <infra at ovirt.org>
>> Sent: Saturday, June 14, 2014 12:51:39 PM
>> Subject: unbalanced jobs
>>
>> Hi,
>> I now am seeing that jenkins-slave-host04.ovirt.org is running the following
>> jobs:
>> 1 Idle
>> 2 Building ovirt-engine_master_create-rpms_merged » centos6-host #1897
>
>  ^ this is an example of a real job running a matrix job configuration
>
>> 3 Idle
>> 4 Building ovirt-engine_master_create-rpms_merged #1892
>> 5 Building ovirt-engine_master_create-rpms_merged #1893
>> 6 Building ovirt-engine_master_create-rpms_merged #1894
>
>  ^ this is a parent job, just using a virtual slot on the slave, and not actually running anything.

Exactly, if you check the salve, you'll see that they are not occupying 
any of the executor slots, but they are on a new non-numbered slot, so 
no problem there.

>
>> 7 Building ovirt-engine_master_create-rpms_merged #1895
>> 8 Building ovirt-engine_master_create-rpms_merged #1896
>> 9 Building ovirt-engine_master_create-rpms_merged #1897
>>
>> I don't remember how powerful is that slave, but 7 parallel engine full
>> builds means at least 16GB of ram consumed and intensive I/O.
>> I guess this wasn't expected behavior.
>> 	
>> --
>> Sandro Bonazzola
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>>
> _______________________________________________
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--
David Caro

Red Hat S.L.
Continuous Integration Engineer - EMEA ENG Virtualization R&D

Email: dcaro at redhat.com
Web: www.redhat.com
RHT Global #: 82-62605

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