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Amazon RDS for MySQL Now Supports Read Replica Promotion | Hacker News Reader

Amazon RDS for MySQL Now Supports Read Replica Promotion

aws.amazon.com

3 points·gkrishnan··2 comments

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I feel like I'm missing something, aren't read replicas run in read-only mode? How would one run long running DDL operations on them?

In answer to my own question, looks like it's possible to disable read_only:

https://forums.aws.amazon.com/message.jspa?messageID=281451

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