The rigidity can also cause drama at the airport, where it can produce uneven customer service, as agents may close out flights before connecting passengers arrive. Isom said he understands the criticism, but said in many cases keeping operational integrity helps more customers. American has 6,700 daily flights, and sometimes it’s easier to put passengers on the next one, rather than hold doors open.
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In addition, Airbnb moved its main MySQL database to Amazon Relational Database Service (Amazon RDS). Airbnb chose Amazon RDS because it simplifies much of the time-consuming administrative tasks typically associated with databases. Amazon RDS allows difficult procedures, such as replication and scaling, to be completed with a basic API call or through the AWS Management Console. Airbnb currently uses Multi-Availability Zone (Multi-AZ) deployment to further automate its database replication and augment data durability.