SERVER-17652 open sockets before initializing storage engine

1 files changed, 22 insertions, 0 deletions

diff --git a/jstests/disk/too_many_fds.js b/jstests/disk/too_many_fds.js
new file mode 100644
index 00000000000..f714d495d7c
--- /dev/null
+++ b/jstests/disk/too_many_fds.js
@@ -0,0 +1,22 @@
+// Create more than 1024 files on certain storage engines, then restart the server and see that it
+// can still listen on fd's smaller than FD_SETSIZE.
+
+(function() {
+var baseName = "jstests_disk_too_many_fds";
+
+var m = MongoRunner.runMongod( { smallfiles: "" , nssize: 1 } );
+// Make 1026 collections, each in a separate database.  On some storage engines, this may cause
+// 1026 files to be created.
+for (var i = 1; i < 1026; ++i) {
+    var db = m.getDB("db" + i);
+    var coll = db.getCollection("coll" + i);
+    assert.writeOK(coll.insert( {} ));
+}
+
+MongoRunner.stopMongod( m );
+
+// Ensure we can still start up with that many files.
+var m2 = MongoRunner.runMongod( { dbpath: m.dbpath, smallfiles: "" , nssize: 1,
+                                  restart: true, cleanData: false } );
+assert.eq(1, m2.getDB("db1025").getCollection("coll1025").count());
+}());