title: How atom-record-sequence (ARS) helps CosmosDB to be Multimodel?
body: <p>Can anyone explain how atom-record-sequence (ARS) works and how it helps CosmosDB to support multiple models without "performance penalties"?</p>
  
  <p>So far, the best answer I found about it was this one <a href="https://stackoverflow.com/questions/44304947/what-does-it-mean-that-azure-cosmos-db-is-multi-model">What does it mean that Azure Cosmos DB is multi-model?</a> </p>