Re: [google-cloud-sql-discuss] Re: MySQL Second Generation read replica downtime?

Thanks for the response.  There are no read replicas here, it's just a single master instance.  I'll open a ticket.

On Thu, 5 Sep 2019 at 18:34, 'Aref Amiri (Cloud Platform Support)' via Google Cloud SQL discuss <google-cloud-sql-discuss@googlegroups.com> wrote:

This could happen if you delete a read replica and create a new one with the same name. If that is not the case, I would suggest to check QPS ratio on your master instance, as it could overload the read replica, which in this case a good practice would be resharding your master instance to 2 or more instances to split the query load. You can refer to more best practices here.

To further assist you with the issue, I would suggest to create a private issue on Public Issue Tracker page and we will be able to further investigate it with our internal tools and provide you with more meaningful information.

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