How deeply does .NET in Action, Second Edition cover connection pooling?

Identifies HttpClient’s control of simultaneous calls but does not show pool configuration or internals.

Connection pooling

As explained in .NET in Action, Second Edition

A connection pool is a managed collection of reusable network connections that limits and coordinates simultaneous access.

An asynchronous search can start thousands of HTTP requests without executing them all at once. Tasks are queued for workers from the .NET thread pool, while HttpClient’s connection pool manages how many calls execute simultaneously. These are separate limits: the thread pool supplies workers; the connection pool governs HTTP calls. section 4.4

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The search creates a task for each of more than 2,600 comics, then uses Task.WhenAll to wait until every comic has been checked. HttpClient’s connection pool helps prevent that fan-out from exhausting network sockets. section 4.4

How .NET in Action, Second Edition covers it

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Also explained in

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Python Concurrency with asyncioConnection pooling is the practice of maintaining reusable network connections so multiple operations can share them.
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Rust Servers, Services, and AppsA connection pool is a managed collection of reusable database connections shared among clients or execution threads.
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Logs and TelemetryConnection pooling is the practice of maintaining reusable database connections so operations can execute without repeatedly establishing new connections.
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Elixir in Action, Third EditionA database connection pool is a bounded collection of reusable database connections managed to constrain simultaneous database operations.
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Go by ExampleA connection pool is a managed collection of reusable network connections maintained to avoid repeatedly establishing new connections.
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PostgreSQL Mistakes and How to Avoid ThemConnection pooling is a technique that reuses a bounded set of database connections to serve a larger number of client requests.
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100 Go Mistakes and How to Avoid ThemA database connection pool is a managed collection of reusable database connections that are allocated to operations and returned for later use.
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ASP.NET Core in Action, 3eConnection pooling is the reuse of established network connections across multiple client requests to reduce connection-setup overhead.

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Related concepts

database connectionuses · A database connection is an active communication channel or session through which software sends operations to and receives results from a database system.
connection poolerimplemented by · A connection pooler is software that maintains reusable database connections and assigns them to application requests as needed.

This explainer was generated by Manning's knowledge graph from the text of .NET in Action, Second Edition. The section links point to the parts of the book it draws on.