[Buildbot] #3501: Buildbot master uses surprising amount of memory

[Buildbot trac]

#3501: Buildbot master uses surprising amount of memory
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Reporter:  dank       |      Owner:
    Type:  undecided  |     Status:  new
Priority:  minor      |  Milestone:  undecided
 Version:  0.8.12     |   Keywords:
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 Memory usage seems excessive.

 Is there any reason for buildbot to need this much memory?
 {{{
   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
  2354 buildbot  20   0 2882m 1.4g 4188 S    6 17.9 372:48.28 twistd
 }}}

 This was enough to turn one large user off in the past,
 https://bugs.launchpad.net/lpbuildbot/+bug/419421

 I guess the new metrics system might shed some light on this...

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Ticket URL: <http://trac.buildbot.net/ticket/3501>
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Buildbot: build/test automation