Fix unnecessary periodic close/open in connection pools. refs #4161 (#4162)

diff --git a/src/main/connection.c b/src/main/connection.c
index 8a1f77a12bfd863bdf81192613d9f2372541d982..d182a07f071271f70d8c919c6931c5f7d8fb9148 100644 (file)
--- a/src/main/connection.c
+++ b/src/main/connection.c
@@ -686,7 +686,14 @@ static int fr_connection_pool_check(fr_connection_pool_t *pool)
                 *      delete all of them.
                 */
                spawn = 0;
-               /* leave extra alone from above */
+               /*
+                *      But if the pool size is already "min", we
+                *      don't delete them.
+                */
+               if ((pool->num + pool->pending) == pool->min) {
+                       extra = 0;
+               }
+               /* Otherwise, leave extra alone from above */
 
        /*
         *      min < num < max