[users at bb.net] High trigger time using Triggerable Scheduler

[Povilas Kanapickas]

You could have a master lock
(https://buildbot.readthedocs.io/en/latest/manual/configuration/interlocks.html)
with maxCount=20 and attach it to all the builders that e.g. produce a
lot of logs.

On 3/19/21 10:16 PM, Vlad Bogolin wrote:
> Hi,
> 
> I did some investigations and I think the issue is caused by an
> overloaded master. The master process constantly uses around 120% CPU
> and doesn't drop at all below 100%. Is there any way to have a hard
> limit on the number of builds that can be run (e.g always run at most 20
> builds)?
> 
> Thanks!
> 
> On Fri, Mar 19, 2021 at 7:55 PM Vlad Bogolin <vlad at mariadb.org
> <mailto:vlad at mariadb.org>> wrote:
> 
>     Hi,
> 
>     Thanks for the reply! No, waitForFinish is False. In a normal
>     scenario, this took a couple of minutes. Now, we have runs that even
>     have 1h.
> 
>     Thanks,
>     Vlad
> 
>     On Fri, Mar 19, 2021 at 6:44 PM Povilas Kanapickas <povilas at radix.lt
>     <mailto:povilas at radix.lt>> wrote:
> 
>         Hi,
> 
>         Could you please check if you're using waitForFinish=True
>         argument for
>         the trigger step? That would wait for all triggered builds to
>         finish.
> 
>         Cheers,
>         Povilas
> 
>         On 3/19/21 1:50 PM, Vlad Bogolin wrote:
>         > Hi,
>         >
>         > We have a problem in our configuration where the trigger time
>         for 71
>         > builds is very high (sometimes even up to 1 hour). For example
>         > here https://buildbot.mariadb.org/#/builders/1/builds/13508, the
>         > triggering step (step 12) took 57 mins. This problem only
>         started to
>         > occur recently without having any changes to the triggering
>         procedure.
>         > Do you have any suggestions on what might be causing this?
>         >
>         > Thanks,
>         > Vlad
>         >
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> 
> 
> 
>     -- 
>     Vlad
> 
> 
> 
> -- 
> Vlad