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[HttpClient] Add note about concurrency limits #21128

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Jun 24, 2025
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[HttpClient] Add note about concurrency limits #21128

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4 changes: 4 additions & 0 deletions http_client.rst
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Expand Up @@ -1355,6 +1355,10 @@ code waits only when necessary.
or access to certificate files). To avoid hitting these limits, consider
processing requests in batches.

There is however a maximum amount of concurrent connections that can be open
per host (6 by default). See
:doc:`max_host_connections </configuration/framework.html#max-host-connections>`.

Multiplexing Responses
~~~~~~~~~~~~~~~~~~~~~~

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