Hi Lynn, 

unfortunately your qoute is not displayed in original.
But hitting the translation button shows a whacko translation that in its 
wicked way makes sense XD
I will check it out.

Tanks
Jan

Am Donnerstag, 28. Juni 2012 12:41:04 UTC+2 schrieb Jan Seidel:
>
> Hi folks,
>
> I am trying to parallelize some of our builds to speed things up.
> This particular build is quite special as it also interacts with 
> databases. Multiple write access on a database will wreck the content, so 
> this must be avoided by all means. It takes us in worst cast out of 
> business for 2 weeks and creates loads of work and stress.
>
> Don't ask me why the DB design is as it is, that's pretty complicated, 
> insane, sooo wrong and not worth discussing in order to fix that issue and 
> let the build jobs just do what they are meant to do.
> Have been there, didn't like it, went away!
>
> The initial build job is a dispatcher that decides which job to run. So 
> far quite easy but it also checks for 2 conditions which requires to almost 
> identical jobs asides of one of the repositories location.
> *So the jobs access mostly the same ressources including the database 
> which must not be simultaneously!* So they are a kind of "*siblings*"
> The default is set that inhibits to spawn duplicate jobs but with this 
> second condition is it changing a bit. The second condition requires to 
> block a job if a duplicate or the sibling is running
>
> This brings me to a dumb situation. Either I find a way to:
>
>    - refer to related AND non-related jobs which may block a build
>    - block on top-level (the dispatcher). This works but scraps all my 
>    efforts to get jobs not sharing same ressources to run in parallel
>    - do not block jobs and hope that the developers don't botch it and 
>    wreck a database *yuk*
>
> Do you know a solution to block a job if a clone or a sibling already is 
> running?
>
>
>
> Cheers
>
> Jan
>

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