On Apr 22, 2010, at 3:32 PM, Adam Roben wrote: > On Apr 22, 2010, at 3:02 PM, Ojan Vafai wrote: > >> On Thu, Apr 22, 2010 at 11:44 AM, Brian Weinstein <bweinst...@apple.com> >> wrote: >> What is going there is that both machines are running Windows Debug Tests >> (or Windows Release Tests). >> >> We have two machines that run both Windows Debug Tests, and Windows Release >> Tests, so there are some times where they are both running the same kind of >> test, and it looks like the other kind of test is idle, when both machines >> are actually busy. >> >> I get that in theory, but that still doesn't explain huge gaps. >> >> For example: >> Build 12537 and Build 12538 were running on Windows Debug at the same time >> using apple-windows-3 and apple-windows-4 respectively. I would expect that >> as soon as 12537 finished, the windows release bot would have started Build >> 11615 on apple-windows-3, but it actually waited 8-10 minutes. As best I can >> tell, that's 8-10 minutes where the apple-windows-3 slave was actually just >> idle. >> >> Am I reading the data wrong? > > I think you're interpreting it correctly. > > Maybe this is an artifact of having a single machine switch between two > different logical builders?
It looks like the Leopard builders are set up this way, too (there are 2 bots, both of which each to Release and Debug builds). In some cases I see a gap between successive builds on different logical builders, but it's much smaller than the 8-10 minute gap Ojan cited above. (E.g., build 13929 (Leopard Release) and build 13680 (Leopard Debug), which were both done on apple-xserve-1; there's a ~1 minute gap between the end of the first build and the start of the second.) -Adam
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