A look into what happened behind the scenes during the longest outage in Roblox history.
Sources:
blog.roblox.com/2022/01/roblo...
www.hashicorp.com/resources/h...
roblox.fandom.com/wiki/2021_R...
roblox.fandom.com/wiki/Timeli...
news.ycombinator.com/item?id=...
raft.github.io/
www.lmdb.tech/media/20130329-d...
www.lmdb.tech/doc/
db.cs.cmu.edu/mmap-cidr2022/
• Free To Use Gameplay |...
Chapters:
0:00 Intro
0:33 HashiStack Explanation
4:47 Outage Investigation
8:20 Root Causes Found
11:30 Return to Service
12:19 Slow Leaders
15:56 Resolution
Corrections:
- At 9:44, the default unbuffered channel in Go does not hold any items and has a buffer size of 0. Sends to such a channel are blocked until another goroutine is ready to receive the value. The illustration in the video shows a *buffered channel of size 1* however the overall point still stands.
Music Credits:
- Firecracker by LEMMiNO ( • LEMMiNO - Firecracker ... )
- Impact Prelude by Kevin MacLeod
- We're Finally Landing by Home
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