From b375698b7fe1f4e69761559f1cad50c5e1f18014 Mon Sep 17 00:00:00 2001
From: Anton Oyung <anton.oyung@mongodb.com>
Date: Wed, 13 Nov 2019 19:16:41 +0000
Subject: SERVER-44152: Pre-warm connection pools in mongos

---
 src/mongo/s/server.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/mongo/s/server.cpp')

diff --git a/src/mongo/s/server.cpp b/src/mongo/s/server.cpp
index 18297cdd02e..ddc851749fe 100644
--- a/src/mongo/s/server.cpp
+++ b/src/mongo/s/server.cpp
@@ -426,6 +426,11 @@ Status initializeSharding(OperationContext* opCtx) {
         return status;
     }
 
+    status = preWarmConnectionPool(opCtx);
+    if (!status.isOK()) {
+        return status;
+    }
+
     Grid::get(opCtx)->setShardingInitialized();
 
     return Status::OK();
-- 
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