[Buildbot] #3169: Latent Slaves are started serially.

[Buildbot trac]

#3169: Latent Slaves are started serially.
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Reporter:  tom.prince   |       Owner:
    Type:  enhancement  |      Status:  new
Priority:  minor        |   Milestone:  0.9.+
 Version:  0.8.10       |  Resolution:
Keywords:  latent       |
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Changes (by dustin):

 * keywords:   => latent
 * priority:  major => minor
 * type:  undecided => enhancement
 * milestone:  undecided => 0.9.+


Old description:

> Because BuildRequestDistributor._activityLoop waits for
> self._maybeStartBuildsOnBuilder to finish with a lock held, only one
> slave can start at a time.

New description:

 Because `BuildRequestDistributor._activityLoop` waits for
 `self._maybeStartBuildsOnBuilder` to finish with a lock held, only one
 slave can start at a time.

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Ticket URL: <http://trac.buildbot.net/ticket/3169#comment:1>
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