Partitioning & Sharding
Splitting the data without splitting the query
Free
5h · 5 lessons
Overview
Relational modelling, indexes, transactions, the NoSQL families and what each one is actually for, then replication and sharding. More interviews are lost on the storage layer than on any other part of the diagram.
This module is 02.6 of the 6 in Data Storage & Retrieval. It runs about 5 hours across 5 lessons, and closes with Skew — One partition is taking 80% of the traffic. Reshard it live, without dropping a write.
Lessons
1. Range, hash and directory partitioning
Concept · 40 minutes
2. Choosing a partition key, and living with it
Concept · 40 minutes
3. Hot partitions and skew
Concept · 30 minutes
4. Secondary indexes across partitions
Concept · 35 minutes
5. Rebalancing and online resharding
Concept · 40 minutes
Before this
Module information
Duration
5 hours
Lessons
5
Level
Beginner
Track
Data Storage & Retrieval
Drill
Skew
Price
Free
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