SERVER-2554 Allow user configuration of the listen depth

1 files changed, 9 insertions, 0 deletions

diff --git a/src/mongo/db/server_options_helpers.cpp b/src/mongo/db/server_options_helpers.cpp
index 753acfd38c1..11a4f37008a 100644
--- a/src/mongo/db/server_options_helpers.cpp
+++ b/src/mongo/db/server_options_helpers.cpp
@@ -199,6 +199,11 @@ Status addGeneralServerOptions(moe::OptionSection* options) {
     options->addOptionChaining(
         "net.ipv6", "ipv6", moe::Switch, "enable IPv6 support (disabled by default)");
 
+    options
+        ->addOptionChaining(
+            "net.listenBacklog", "listenBacklog", moe::Int, "set socket listen backlog size")
+        .setDefault(moe::Value(SOMAXCONN));
+
     options->addOptionChaining(
         "net.maxIncomingConnections", "maxConns", moe::Int, maxConnInfoBuilder.str().c_str());
 
@@ -807,6 +812,10 @@ Status storeServerOptions(const moe::Environment& params) {
         enableIPv6();
     }
 
+    if (params.count("net.listenBacklog")) {
+        serverGlobalParams.listenBacklog = params["net.listenBacklog"].as<int>();
+    }
+
     if (params.count("net.transportLayer")) {
         serverGlobalParams.transportLayer = params["net.transportLayer"].as<std::string>();
         if (serverGlobalParams.transportLayer != "asio" &&