Move over find1.js performance test

1 files changed, 78 insertions, 0 deletions

diff --git a/jstests/perf/find1.js b/jstests/perf/find1.js
new file mode 100644
index 00000000000..59f53296893
--- /dev/null
+++ b/jstests/perf/find1.js
@@ -0,0 +1,78 @@
+/**
+ *  Performance tests for various finders
+ */
+
+var calls = 100;
+var size = 500000;
+var collection_name = "sort2";
+
+function testSetup(dbConn) {
+    var t = dbConn[collection_name];
+    t.drop();
+
+    for (var i=0; i<size; i++){
+        t.save({ num : i });
+        if (i == 0 )
+            t.ensureIndex( { num : 1 } );
+    }
+}
+
+/**
+ *  Tests fetching a set of 10 objects in sorted order, comparing getting
+ *  from  front of collection vs end, using $lt
+ */
+function testFindLTFrontBack(dbConn) {
+
+    var results = {};
+    var t = dbConn[collection_name];
+
+    results.oneInOrderLTFirst = Date.timeFunc(
+        function(){
+            assert( t.find( { num : {$lt : 20} } ).sort( { num : 1 } ).limit(10).toArray().length == 10);
+        } , calls );
+
+    results.oneInOrderLTLast = Date.timeFunc(
+        function(){
+            assert( t.find( { num : {$lt : size-20 }} ).sort( { num : 1 } ).limit(10).toArray().length == 10);
+        } , calls );
+
+
+    assert(   0.9 < (results.oneInOrderLTFirst / results.oneInOrderLTLast) < 1.1,
+        "first / last (" + results.oneInOrderLTFirst + " / " + results.oneInOrderLTLast + " ) = " +
+        results.oneInOrderLTFirst /  results.oneInOrderLTLast + " not in [0.9, 1.1]" );
+}
+
+
+
+/**
+ *  Tests fetching a set of 10 objects in sorted order, comparing getting
+ *  from  front of collection vs end
+ */
+function testFindGTFrontBack(dbConn) {
+
+    var results = {};
+    var t = dbConn[collection_name];
+    
+    results.oneInOrderGTFirst = Date.timeFunc(
+        function(){
+            assert( t.find( { num : {$gt : 5} } ).sort( { num : 1 } ).limit(10).toArray().length == 10);
+        } , calls );
+
+    results.oneInOrderGTLast = Date.timeFunc(
+        function(){
+            assert( t.find( { num : {$gt : size-20 }} ).sort( { num : 1 } ).limit(10).toArray().length == 10);
+        } , calls );
+
+
+    assert(   0.25 < (results.oneInOrderGTFirst / results.oneInOrderGTLast) < 4.0,
+            "first / last (" + results.oneInOrderGTFirst + " / " + results.oneInOrderGTLast + " ) = " +
+            results.oneInOrderGTFirst /  results.oneInOrderGTLast + " not in [0.25, 4.0]" );
+
+}
+
+var db = connect( "ed_perf_find_tests" );
+
+testSetup(db);
+
+testFindLTFrontBack(db);
+testFindGTFrontBack(db);
\ No newline at end of file