Facebook 如何将他们的更改推送到实时网站
From this video https://www.facebook.com/photo.php?v=778890205865 I understood that Facebook moves their changes to their live site on a daily basis.
Some changes are visible, whereas most of them are not visible to the end user. With a userbase of just over 700 million how do they manage to do it without any glitches.
Can someone throw light on this?
I have read about the Gatekeeper which allows Facebook to run different code to different set of users. Is there any other technology involved?
thanks.
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据我所知，他们首先将代码推送给内部用户，以便员工使用“alpha”代码。
然后它被推送到测试版（我想是周日），开发人员可以测试测试版代码并报告任何问题
测试版然后在周二晚上推送到主网站
From what I've read, they push code to their internal users first, so that staff are using the 'alpha' code.
It's then pushed to the beta teir (sunday I think) which lets developers test against the beta code and report any issues
The beta tier is then pushed live on Tuesday night to the main website