How do I configure connection pooling in Go's SQL package?
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How do I configure connection pooling in Go's SQL package?
To configure connection pooling in Go's SQL package, you can use the sql.Open function and set the maximum number of open connections using db.SetMaxOpenConns(n). You can also set the maximum idle connections with db.SetMaxIdleConns(n).
What are the default values for these settings?
The default maximum number of open connections is 0, which means unlimited. The default maximum idle connections is also 0, meaning no idle connections are retained.
How can I monitor the connection pool usage?
You can use the db.Stats() method to get statistics about the connection pool, including the number of open, idle, and in-use connections.
Can I adjust these settings at runtime?
Yes, you can adjust the connection pool settings at runtime using the same methods (SetMaxOpenConns and SetMaxIdleConns) on the *sql.DB instance.
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