DeepFrontend
Learning Paths
Practice
System Design & DS
Design Studio
Data Structures Curriculum
Real-World Case Studies
Careers
Job Board
Resume Builder
Blog
Sign in
Search
⌘K
Go Pro
Loading compiler resources...
System Design Quiz Practice
Active Recall Drill Session
← Exit Session
Question 1 of 1
medium
System Design
When is sharding the right tool, as opposed to read replication?
A
Whenever reads are slow, regardless of cause
B
When write throughput or total dataset size exceeds what a single primary machine can handle — problems read replicas don't address
C
Sharding and read replication solve the exact same problem interchangeably
D
Only for databases with fewer than 1000 rows
Check Answer