SERVER-27821 Reduce number of roles in chain when running with --dbg=on.

1 files changed, 9 insertions, 0 deletions

diff --git a/jstests/slow1/large_role_chain.js b/jstests/slow1/large_role_chain.js
index 107263782ef..058f4d8f989 100644
--- a/jstests/slow1/large_role_chain.js
+++ b/jstests/slow1/large_role_chain.js
@@ -6,6 +6,15 @@ function runTest(conn) {
     testdb.runCommand({dropAllRolesFromDatabase: 1});
     var chainLen = 2000;
 
+    var buildInfo = conn.getDB("admin").runCommand("buildInfo");
+    assert.commandWorked(buildInfo);
+
+    // We reduce the number of roles linked together in the chain to avoid causing this test to take
+    // a long time with --dbg=on builds.
+    if (buildInfo.debug) {
+        chainLen = 200;
+    }
+
     jsTestLog("Generating a chain of " + chainLen + " linked roles");
 
     var roleNameBase = "chainRole";