[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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Comment (by tom.prince):

 I've noticed that changing this interacts poorly with the logic to find a
 slave that has an available lock.

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Ticket URL: <http://trac.buildbot.net/ticket/3169#comment:2>
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