Glossary term
What is Erasure coding? Meaning for developers
Splits data into pieces + parity so it survives lost pieces. Example: Object storage durability with less space than 3 full copies.
Learn it properly · System DesignLesson 17: Object Storage: How S3-Style Storage WorksImages saved to a server's disk vanish when you add a second server. How S3-style object storage keeps files safe at any scale, why uploads should skip your servers entirely, and what belongs in the database instead.