Designs

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

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  71. Design a Search Engine like Elasticsearch

  Search a billion documents in 200 ms: inverted indexes, analysers, Lucene segments, shards and replicas, query then fetch with BM25, fed by CDC.

  ClassicMedium

  ShardingSearchDistributed systems

  +4

  AWSInverted indexLuceneOpenSearch

  Worked design

  Practice
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  75. Design a Key-Value Store like DynamoDB

  A key-value store like DynamoDB, from one durable node to Paxos-replicated partitions to global tables run for thousands of tenants.

  ClassicMedium

  ShardingDatabasesDistributed systems

  +5

  AWSDynamoDBKey value storeNoSQLReplication

  Worked design

  Practice

Each design brings together the brief, practice, examples and discussion.