Configure a connection timeout when connecting to Cloud SQL for PostgreSQL by using the HikariCP JDBC connection pool library.
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// setConnectionTimeout is the maximum number of milliseconds to wait for a connection checkout. // Any attempt to retrieve a connection from this pool that exceeds the set limit will throw an // SQLException. config.setConnectionTimeout(10000); // 10 seconds // idleTimeout is the maximum amount of time a connection can sit in the pool. Connections that // sit idle for this many milliseconds are retried if minimumIdle is exceeded. config.setIdleTimeout(600000); // 10 minutes