SERVER-52424 Enable feature flag for rate-limiting ingress connection establishments (#36801)

erin2722 · MongoDB Bot · commit 1858fbdc03e7 · 2025-07-07T19:53:47.000Z
GitOrigin-RevId: 52387e8792f68258214538231e62b337961a4572
diff --git a/src/mongo/db/server_feature_flags.idl b/src/mongo/db/server_feature_flags.idl
@@ -191,5 +191,5 @@ feature_flags:
     featureFlagRateLimitIngressConnectionEstablishment:
         description: "Queues connection establishment after exceeding the maximum rate"
         cpp_varname: gFeatureFlagRateLimitIngressConnectionEstablishment
-        default: false
+        default: true
         shouldBeFCVGated: false
diff --git a/src/mongo/transport/session_workflow_test.cpp b/src/mongo/transport/session_workflow_test.cpp
@@ -604,8 +604,6 @@ class ConnectionEstablishmentQueueingTest : public SessionWorkflowTest {
         return std::move(sm);
     }
 
-    RAIIServerParameterControllerForTest featureFlagController{
-        "featureFlagRateLimitIngressConnectionEstablishment", true};
     RAIIServerParameterControllerForTest featureEnabled{
         "ingressConnectionEstablishmentRateLimiterEnabled", true};
     unittest::MinimumLoggedSeverityGuard logSeverityGuard{logv2::LogComponent::kDefault,

Original file line number	Diff line number	Diff line change
`@@ -604,8 +604,6 @@ class ConnectionEstablishmentQueueingTest : public SessionWorkflowTest {`
`604`	`604`	`return std::move(sm);`
`605`	`605`	`}`
`606`	`606`
`607`		`- RAIIServerParameterControllerForTest featureFlagController{`
`608`		`- "featureFlagRateLimitIngressConnectionEstablishment", true};`
`609`	`607`	`RAIIServerParameterControllerForTest featureEnabled{`
`610`	`608`	`"ingressConnectionEstablishmentRateLimiterEnabled", true};`
`611`	`609`	`unittest::MinimumLoggedSeverityGuard logSeverityGuard{logv2::LogComponent::kDefault,`