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all · 640
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course
side quests
real incidents
interview problems
low-level design
case files
mock interviews
watch how it works · 2:01
#reliability
#lld
#scaling
#incidents
#databases
#consistency
#security
#caching
#realtime
#streaming
#search
#storage
#queues
#payments
#apis
#estimation
#networking
#cost
#migration
#career
all · 640
top
course
side quests
real incidents
interview problems
low-level design
case files
mock interviews
#reliability
#lld
#scaling
#incidents
#databases
#consistency
#security
#caching
#realtime
#streaming
#search
#storage
#queues
#payments
#apis
#estimation
#networking
#cost
#migration
#career
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W02 · Failure-first design · 1:31
A flash sale that quietly loses a unit with every abandoned cart
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short 1 of 640 · W02 · Failure-first design · 1:31
A flash sale that quietly loses a unit with every abandoned cart
#consistency
#reliability
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Side quest 25 · Dream11 · 1:26
7.9 million ranks after every ball, without sorting
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short 2 of 640 · Side quest 25 · Dream11 · 1:26
7.9 million ranks after every ball, without sorting
#realtime
#scaling
#caching
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W01 · Data at scale · 1:16
You refreshed, and your data went back in time
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short 3 of 640 · W01 · Data at scale · 1:16
You refreshed, and your data went back in time
#consistency
#databases
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