Hard Design: Social Media Platform (Instagram)

How are Instagram Stories automatically deleted after 24 hours?

— Tests your understanding of this concept.

Answer Options

A Background job scans and deletes expired stories every minute

B Cassandra default_time_to_live (TTL) automatically expires rows after 24 hours

C Users must manually delete stories

D Stories are moved to archive after 24 hours

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This question is from the Design: Social Media Platform (Instagram) topic (System Design Cases).

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