Enable test for SERVER-4534

It was fixed when index building switched to using the new Sorter.

1 files changed, 5 insertions, 3 deletions

diff --git a/jstests/slowNightly/huge_multikey_index.js b/jstests/slowNightly/huge_multikey_index.js
index 322c47aa398..c646fc8c127 100644
--- a/jstests/slowNightly/huge_multikey_index.js
+++ b/jstests/slowNightly/huge_multikey_index.js
@@ -1,4 +1,6 @@
 // https://jira.mongodb.org/browse/SERVER-4534
+// Building an index in the forground on a field with a large array and few documents in
+// the collection used to open too many files and crash the server.
 t = db.huge_multikey_index
 t.drop()
 
@@ -9,9 +11,9 @@ function doit() {
 
     t.insert({a:arr})
 
-    //t.ensureIndex({a:1}, {background:true}) // works!
+    //t.ensureIndex({a:1}, {background:true}) // always worked
 
-    t.ensureIndex({a:1}) // boom!
+    t.ensureIndex({a:1}) // used to fail server with out of fds error
 }
 
-// doit(); // SERVER-4534
+doit();