fix tile glitch

server/.gitignore

@@ -6,3 +6,4 @@ mapserver.tiles
 mapserver.sqlite
 mapserver.sqlite-journal
 mapserver.json
+debug.txt

server/tiledb/logger.go

@@ -0,0 +1,11 @@
+package tiledb
+
+import (
+	"github.com/sirupsen/logrus"
+)
+
+var log *logrus.Entry
+
+func init() {
+	log = logrus.WithFields(logrus.Fields{"prefix": "tiledb"})
+}

server/tiledb/tiledb.go

@@ -6,6 +6,7 @@ import (
 	"os"
 	"strconv"
 	"sync"
+	"github.com/sirupsen/logrus"
 )
 
 var mutex = &sync.RWMutex{}
@@ -38,6 +39,11 @@ func (this *TileDB) GetTile(pos *coords.TileCoords) ([]byte, error) {
 	mutex.RLock()
 	defer mutex.RUnlock()
 
+	fields := logrus.Fields{
+		"pos": pos,
+	}
+	log.WithFields(fields).Debug("GetTile")
+
 	_, file := this.getDirAndFile(pos)
 	info, _ := os.Stat(file)
 	if info != nil {
@@ -56,6 +62,12 @@ func (this *TileDB) SetTile(pos *coords.TileCoords, tile []byte) error {
 	mutex.Lock()
 	defer mutex.Unlock()
 
+	fields := logrus.Fields{
+		"pos":  pos,
+		"size": len(tile),
+	}
+	log.WithFields(fields).Debug("SetTile")
+
 	dir, file := this.getDirAndFile(pos)
 	os.MkdirAll(dir, 0700)
 

server/tilerendererjob/common.go

@@ -72,7 +72,10 @@ func renderMapblocks(ctx *app.App, mblist []*mapblockparser.MapBlock) int {
 
 		//spin down worker pool
 		close(jobs)
-		<-done
+		
+		for j := 0; j < ctx.Config.RenderingJobs; j++ {
+			<-done
+		}
 	}
 
 	return tilecount