minor #21128 [HttpClient] Add note about concurrency limits (Seldaek)

javiereguiluz · javiereguiluz · commit 836099915aeb · 2025-06-24T09:23:21.000+02:00
This PR was merged into the 6.4 branch. Discussion ---------- [HttpClient] Add note about concurrency limits This is kind of an issue report with a half-assed attempt at fixing it.. `@nicolas`-grekas probably should take a look, update wording if needed, and possibly the doc link is borked because I don't know what I am doing with rst.. BUT anyway this is misleading and should be fixed :) Commits ------- 7900a2a Add note about concurrency limits
diff --git a/http_client.rst b/http_client.rst
@@ -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
 ~~~~~~~~~~~~~~~~~~~~~~
 
