Guided practice

Company tags are community-reported. Counts on cards show how many people reported that design.

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  3. Design a Distributed Cache

  Partition cached data, survive node loss and keep cache misses from overwhelming the source of truth.

  ClassicMedium

  CachingShardingDatabases

  +9

  Distributed systemsAWSConsistencyConsistent hashingHot keysLRU evictionMemcachedRedisReplication

  Worked design

  Practice
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  79. Design Object Storage like Amazon S3

  An S3-inspired object store: bytes before metadata, a partitioned namespace with cache coherence, then repair, heat, lifecycle and safe change. Three interview boards with explicit assumptions and AWS source boundaries.

  ClassicMedium

  Object storageAWSConsistency

  +2

  Erasure codingAmazon S3

  Worked design

  Practice

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