hool10
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There will NOT be an update tonight even though those bandwith dips are showing. An official comment from Taylor Sherman from Valve
Full link is here: http://forums.steampowered.com/forums/showthread.php?threadid=331970&perpage=15&pagenumber=7
It warms my heart to see posts with math in them so I'll give you guys a few little bits of information.
The dips in the graph yesterday was us rolling out a new build of the ContentServer program, which mean each server had to restart, taking it offline for a minute or so. The new server program has a few minor little tweaks that may help boost the download rates some clients get. So, the lesson here is that status BW dips do not necessarily mean a Steam content update is coming! oh well.
Next -- though I applaud the math, it's misguided: when a 500Mbps ContentServer goes offline for ten minutes, that does not mean it's getting 500Mbps of new content for 10 minutes. Even if it was spending all that time getting content, it's not like we have a 500Mbps dedicated line from that server to our master server! A server in Europe may be able to push 500Mbps out to a few hundred clients in Europe, but the data rate between there and here may top out at a couple Mbps, or even less. So, even when the dips do correspond to an update, you can't really use the graph to figure out how big the coming update is. Oh well!