It prevents a single application from overwhelming the database server with too many requests, which can lead to system instability or crashes.
When the maximum number of connections is reached, subsequent requests are placed in a queue. If no connection becomes free before a specified timeout (often 15–30 seconds), the application throws an error (e.g., "Max pool size was reached"). 2. Common Default Values Defaults vary significantly by technology and vendor: Advanced Performance Topics - EF Core - Microsoft Learn Maximum Pool
The maximum pool size is a property that defines the upper limit of active and available connections in a database connection pool. It prevents a single application from overwhelming the