Wikipedia talk:Wikipedia Signpost/2013-01-14/Technology report

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I'm sure operations folks are aiming for no outages and there might well be none. (hopefully) But there's some risk involved in this sort of switchover and maybe the transition isn't 100% perfect. --Aude (talk) 19:56, 16 January 2013 (UTC)
Repeating what Aude said for the most part. There isn't some gigantic, Frankenstein-style switch that can just be levered. There are a lot of moving parts and things that can go wrong. As the sayings go, "The map is not the terrain," and "No plan, however well-conceived, survives contact with the enemy."--Jorm (WMF) (talk) 20:57, 16 January 2013 (UTC)
Well if both clusters are running and synchronising before the switch over, then careful DNS migration should provide a seamless transition, provided synchronisation can be maintained. However most architectures have weak points, and atomicity is probably ours. Rich Farmbrough, 19:12, 19 January 2013 (UTC).
  • I think Echo can only reach its potential if people reply your message on your user talk page, not on their own talk page. OhanaUnitedTalk page 03:20, 17 January 2013 (UTC)
Good point, that. MikeLynch (talk) 17:53, 21 January 2013 (UTC)