Switch sort direction of index in order to improve performance

scttnlsn · Feb 20, 2017 · 2b08908 · 2b08908
1 parent cd3d0a9
commit 2b08908
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/db.js b/lib/db.js
@@ -22,7 +22,7 @@ exports.index = function (collection) {
 
     // Ensures there's a reasonable index for the poling dequeue
     // Status is first b/c querying by status = queued should be very selective
-    collection.ensureIndex({ status: 1, queue: 1, priority: 1, _id: 1, delay: 1 }, function (err) {
+    collection.ensureIndex({ status: 1, queue: 1, priority: -1, _id: 1, delay: 1 }, function (err) {
         if (err) console.error(err);
     });
 };