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A comment on Twitter was down. Parent comment

Re:Twitter was down by nthj on Thursday July 11, 2019 @04:02PM (#20415221)
Just a quick note not directed at OP but for any other engineers that may be unaware, these days AWS makes provisioning a read replica painless, and you can point the CEO to up-to-the-minute data while essentially firewalling the queries from customer operations.
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Re:Twitter was down by mlevental on Thursday July 11, 2019 @06:43PM (#20416570)
how?
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Re:Twitter was down by teraflop on Thursday July 11, 2019 @08:02PM (#20417012)
First Google result for "aws read replicas": https://aws.amazon.com/rds/details/read-replicas/

> Using the AWS Management Console, you can easily add read replicas to existing DB Instances. Use the "Create Read Replica" option corresponding to your DB Instance in the AWS Management Console.

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