[Buildbot-devel] Mean time between failure for buildbot master?

[Ben Hearsum]

As a data point, Mozilla runs an 0.8.2 with some backports and we have masters that go without a full restarts for months. The only times we restart them are when we're taking a code change to master code, or when we have to shut down the master VMs for some reason. In the distant past (possibly 0.7.x) we had some issues where the masters would hit some sort of memory leak and get slower over time, but I don't think that happens these days. 

I can't find much history on it, but here's a couple of bugs that have a bit of info:
https://bugzilla.mozilla.org/show_bug.cgi?id=657954
https://bugzilla.mozilla.org/show_bug.cgi?id=672851

On Tue, Mar 25, 2014 at 07:48:53AM -0700, Dan Kegel wrote:
> Every month or two, my buildbot master
> (v0.8.7p1-15-g4ed9634, about a year old) gets stuck somehow,
> and I have to restart it.  This time, it was confused about
> whether slaves were online.
> 
> I clearly should update to the latest, but I wonder...
> what's the longest a moderately complex installation
> usually goes before it gets confused?
> 
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