[Buildbot] #3654: Really stark performance regression at startup and later on
Buildbot trac
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Sun Dec 11 21:49:39 UTC 2016
#3654: Really stark performance regression at startup and later on
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Reporter: kayhayen | Owner:
Type: defect | Status: new
Priority: major | Milestone: undecided
Version: 0.9.1 | Resolution:
Keywords: |
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Comment (by kayhayen):
Amazing stuff. Unfortunately adding an attachment didn't work, but you can
download from here: [http://nuitka.net/volatile/profile.json]
For this I stopped the build slave running on the same machine. I checked
with top and htop, and iotop that nothing was going on. No IO, no CPU
users. I clicked on "Builders" to get the list of all builders, and it
took really long. I think 4-5 seconds before anything appeared, and then
slowly one by one.
The actual recording of this is clicking on the link and not seeing
anything at all, even after a longer time. There were max 2 build slaves
connected at the time.
The performance problem also exists if nothing is running during start up
already. I am seeing 100% CPU usage in the graph. Very confusing to me.
Also load numbers are too high. I figure I don't know what they mean.
Thanks,
Kay
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Ticket URL: <http://trac.buildbot.net/ticket/3654#comment:2>
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