[Buildbot-devel] Buildbot cannot use all build slaves

[Chen Yingliu]

Thanks for the hint. Let me try to see if disable merging
request alleviate the problem.


On Wed, Jan 2, 2013 at 7:38 PM, Dustin J. Mitchell <dustin at v.igoro.us>wrote:

> On Wed, Jan 2, 2013 at 8:31 PM, Chen Yingliu <chenyingliu at gmail.com>
> wrote:
> > One weird thing is BuildRequestDistributor._activityLoop() take more than
> > 100 seconds, I suppose this should run fast ? However I don't quite get
> the
> > buildbot scheduling logic even after read the code for a while. Any one
> can
> > help figure out the reason why _activityLoop() took more than 100 seconds
> > and why not all build slave are used?
>
> The _activityLoop loops until the queue of pending builders is empty.
> If build requests are arriving quickly enough, the 'while 1' loop it
> contains will keep looping.  So that metric isn't the most helpful.
>
> Do you have mergeRequests enabled?  That's a particularly slow
> operation, especially if the request queues are long.
>
> Dustin
>



-- 
Chen Yingliu
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