[Buildbot] #3105: Implement logchunk compression

[Buildbot trac]

#3105: Implement logchunk compression
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Reporter:  Ben          |       Owner:
    Type:  enhancement  |      Status:  new
Priority:  major        |   Milestone:  0.9.0
 Version:  master       |  Resolution:
Keywords:  db           |
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Comment (by sa2ajj):

 As of now, it's 1.9G

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Ticket URL: <http://trac.buildbot.net/ticket/3105#comment:1>
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