fix performance issue with acp

src/controllers/admin/dashboard.js

@@ -81,13 +81,13 @@ function getStatsForSet(set, field, callback) {
 	var now = Date.now();
 	async.parallel({
 		day: function(next) {
-			db.sortedSetCount(set, now - terms.day, now, next);
+			db.sortedSetCount(set, now - terms.day, '+inf', next);
 		},
 		week: function(next) {
-			db.sortedSetCount(set, now - terms.week, now, next);
+			db.sortedSetCount(set, now - terms.week, '+inf', next);
 		},
 		month: function(next) {
-			db.sortedSetCount(set, now - terms.month, now, next);
+			db.sortedSetCount(set, now - terms.month, '+inf', next);
 		},
 		alltime: function(next) {
 			getGlobalField(field, next);

src/controllers/admin/users.js

@@ -31,7 +31,7 @@ usersController.noPosts = function(req, res, next) {
 usersController.inactive = function(req, res, next) {
 	var timeRange = 1000 * 60 * 60 * 24 * 30 * (parseInt(req.query.months, 10) || 3);
 	var cutoff = Date.now() - timeRange;
-	getUsersByScore('users:online', 'inactive', 0, cutoff, req, res, next);
+	getUsersByScore('users:online', 'inactive', '-inf', cutoff, req, res, next);
 };
 
 function getUsersByScore(set, section, min, max, req, res, callback) {

src/controllers/users.js

@@ -145,7 +145,7 @@ usersController.getUsersAndCount = function(set, uid, start, stop, callback) {
 		count: function(next) {
 			if (set === 'users:online') {
 				var now = Date.now();
-				db.sortedSetCount('users:online', now - 300000, now, next);
+				db.sortedSetCount('users:online', now - 300000, '+inf', next);
 			} else if (set === 'users:banned') {
 				db.sortedSetCard('users:banned', next);
 			} else {

src/user.js

@@ -69,7 +69,7 @@ var	async = require('async'),
 		if (set === 'users:online') {
 			var count = parseInt(stop, 10) === -1 ? stop : stop - start + 1;
 			var now = Date.now();
-			db.getSortedSetRevRangeByScore(set, start, count, now, now - 300000, callback);
+			db.getSortedSetRevRangeByScore(set, start, count, '+inf', now - 300000, callback);
 		} else {
 			db.getSortedSetRevRange(set, start, stop, callback);
 		}