[google-cloud-sql-discuss] Getting the error message "_server FATAL: connection to client lost" on Cloud SQL Postgres 9.6

Hi,

We set up a cloud SQL - Postgres instance and connect with the Flex app engine running python app, today the app getting stuck/slow and I check the log and the error showing is related to the cloud SQL

Here is the error message "_server FATAL:  connection to client lost"  and it keeps comes up every 15-20 minutes. Does anyone know what causes that error?

Our Cloud SQL Instance is the f1-micro which only has 0.6GB ram and 1vCPU, 10GG storge.

Or is that possible not enough resource on our flex app engine which is one instance, 1vCPU, and 1.7GB ram.

Thanks for your help!

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