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Re: [cdt-dev] Speed-up of gerrit builds

Hi Marc-Andre,

I am not sure what I did differently, I just duplicated the cdt-verify
job and then tuned it. I saw that gerrit trigger supported multiple
jobs when I contributed something to Nebula and got multiple builds.

Perhaps a bug has been fixed since your last attempt?

A while ago CDT had multiple jobs (see for example
https://git.eclipse.org/r/#/c/86315/) running too, but they were both
doing the same thing.

HTH
Jonah
~~~
Jonah Graham
Kichwa Coders Ltd.
www.kichwacoders.com


On 16 April 2017 at 17:57, Marc-André Laperle
<marc-andre.laperle@xxxxxxxxxxxx> wrote:
> How did you do the multiple jobs? I tried setting multiple with the Gerrit
> Trigger before and only one of the jobs every triggered.
> ________________________________
> From: cdt-dev-bounces@xxxxxxxxxxx <cdt-dev-bounces@xxxxxxxxxxx> on behalf of
> Jonah Graham <jonah@xxxxxxxxxxxxxxxx>
> Sent: Friday, April 14, 2017 8:13:44 PM
> To: CDT General developers list.
> Subject: [cdt-dev] Speed-up of gerrit builds
>
> Hi cdt-devers,
>
> I have made an update to how gerrit patches are verified with Hudson.
> Rather than one large job (cdt-verify) that does all the work, 4
> smaller jobs are run in parallel that each test a different part of
> CDT. This allows for the following highlights:
>
> 1) Time from git push to build result reduced from 52 minutes to 25 minutes
>
>        2x improvement
>
> 2) Time from git push to compile-only build completing so you know if
> there is a silly compile only error (like forgetting to commit a file
> or forgetting to update pom.xml when version changes) reduced from 52
> minutes to 7 minutes -
>
>        7x improvement
>
> 3) Time to rebuild failing test because Bug 499777 isn't resolved yet
> reduced from 52 minutes to as little as 17 (depending on what failed).
> This takes advantage of being able to retrigger only the job that
> failed instead of the whole build -
>
>        3x improvement
>
>
> In gerrit the Hudson job votes the same, but instead of reporting one
> job result, it reports 4, for example:
>
>     Hudson CI
>     Patch Set 3: Verified-1
>     Build Unstable
>
>     https://hudson.eclipse.org/cdt/job/cdt-verify-test-dsf-gdb-only/2/ :
> SUCCESS
>     https://hudson.eclipse.org/cdt/job/cdt-verify-test-cdt-other/2/ :
> SUCCESS
>     https://hudson.eclipse.org/cdt/job/cdt-verify-compile-only/3/ : SUCCESS
>     https://hudson.eclipse.org/cdt/job/cdt-verify-test-cdt-ui-only/3/ :
> UNSTABLE
>
>
> You can see all the jobs here: https://hudson.eclipse.org/cdt/view/Gerrit/
> You can see my notes in the bug: https://bugs.eclipse.org/515304
>
> Please let me know on cdt-dev or in the bug above if you have any
> comments/concerns on my approach.
>
> Thanks,
> Jonah
>
> ~~~
> Jonah Graham
> Kichwa Coders Ltd.
> www.kichwacoders.com
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