[HttpClient] Limit curl's connection cache size

nicolas-grekas · nicolas-grekas · commit 7ecaa893be05 · 2025-06-16T17:34:04.000+02:00
diff --git a/Internal/CurlClientState.php b/Internal/CurlClientState.php
@@ -50,7 +50,7 @@ public function __construct(int $maxHostConnections, int $maxPendingPushes)
             curl_multi_setopt($this->handle, \CURLMOPT_PIPELINING, \CURLPIPE_MULTIPLEX);
         }
         if (\defined('CURLMOPT_MAX_HOST_CONNECTIONS') && 0 < $maxHostConnections) {
-            $maxHostConnections = curl_multi_setopt($this->handle, \CURLMOPT_MAX_HOST_CONNECTIONS, $maxHostConnections) ? 4294967295 : $maxHostConnections;
+            $maxHostConnections = curl_multi_setopt($this->handle, \CURLMOPT_MAX_HOST_CONNECTIONS, $maxHostConnections) ? min(50 * $maxHostConnections, 4294967295) : $maxHostConnections;
         }
         if (\defined('CURLMOPT_MAXCONNECTS') && 0 < $maxHostConnections) {
             curl_multi_setopt($this->handle, \CURLMOPT_MAXCONNECTS, $maxHostConnections);

Original file line number	Diff line number	Diff line change
`@@ -50,7 +50,7 @@ public function __construct(int $maxHostConnections, int $maxPendingPushes)`
`50`	`50`	`curl_multi_setopt($this->handle, \CURLMOPT_PIPELINING, \CURLPIPE_MULTIPLEX);`
`51`	`51`	`}`
`52`	`52`	`if (\defined('CURLMOPT_MAX_HOST_CONNECTIONS') && 0 < $maxHostConnections) {`
`53`		`- $maxHostConnections = curl_multi_setopt($this->handle, \CURLMOPT_MAX_HOST_CONNECTIONS, $maxHostConnections) ? 4294967295 : $maxHostConnections;`
	`53`	`+ $maxHostConnections = curl_multi_setopt($this->handle, \CURLMOPT_MAX_HOST_CONNECTIONS, $maxHostConnections) ? min(50 * $maxHostConnections, 4294967295) : $maxHostConnections;`
`54`	`54`	`}`
`55`	`55`	`if (\defined('CURLMOPT_MAXCONNECTS') && 0 < $maxHostConnections) {`
`56`	`56`	`curl_multi_setopt($this->handle, \CURLMOPT_MAXCONNECTS, $maxHostConnections);`