From 3cffcb2ed845f653c04a18bc4746742435e99300 Mon Sep 17 00:00:00 2001
From: Todd Gruben <tgruben@umbel.com>
Date: Mon, 21 Apr 2014 11:19:09 -0500
Subject: [PATCH] low traffic rank

---
 core/service.go | 2 +-
 index/brand.go  | 7 +++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/core/service.go b/core/service.go
index 2d8e5c0c4..c3b51d80c 100644
--- a/core/service.go
+++ b/core/service.go
@@ -48,7 +48,7 @@ func NewService() *Service {
 	service.WebService = NewWebService(service)
 	service.Index = index.NewFragmentContainer()
 	service.Hold = hold.NewHolder()
-	service.version = "0.0.24"
+	service.version = "0.0.25"
 	service.name = "Cruncher"
 	service.PrepareLogging()
 	fmt.Printf("Pilosa %s\n", service.version)
diff --git a/index/brand.go b/index/brand.go
index b6d8ffe2d..6940da3a5 100644
--- a/index/brand.go
+++ b/index/brand.go
@@ -139,6 +139,7 @@ func (self *Brand) Rank() {
 	}
 
 	//dump(self.rankings, 10)
+	self.rank_count = 0
 	delta := time.Since(start)
 	util.SendTimer("brand_Rank", delta.Nanoseconds())
 	self.rank_time = start
@@ -188,7 +189,9 @@ func (self *Brand) Store(bitmap_id uint64, bm IBitmap, filter uint64) {
 }
 
 func (self *Brand) TopN(src_bitmap IBitmap, n int, categories []uint64) []Pair {
-	if self.rank_count > 0 {
+	if len(self.rankings) < 50 {
+		self.Rank()
+	} else if self.rank_count > 0 {
 		last := time.Since(self.rank_time) * time.Second
 		if last > 60 {
 			self.Rank()
@@ -202,7 +205,7 @@ func (self *Brand) TopN(src_bitmap IBitmap, n int, categories []uint64) []Pair {
 	}
 
 	test := self.TopNCat(src_bitmap, n, is)
-	log.Println("TOPN:", test)
+	log.Println("TOPN:", test, len(self.rankings))
 	return test
 }
 func dump(r RankList, n int) {