Fix multiple update processes running

broker.lua

@@ -32,6 +32,7 @@ local replaces = {
 	['December'] = true,
 }
 local IsAddOnLoaded = IsAddOnLoaded
+local ticker
 -- Fix Classic
 local C_CVar = C_CVar or {
 	GetCVarBool = function(value)
@@ -222,10 +223,10 @@ local function OnDataUpdate()
 	else
 		child:OnText(childName, childName)
 	end
-	C_Timer.After(db['update'] or 2, OnDataUpdate)
 end
 function child:update()
-	OnDataUpdate()
+	ticker:Cancel()
+	ticker = C_Timer.NewTicker(db['update'] or 2, OnDataUpdate)
 end
 child['ldb'] = { -- https://github.com/tekkub/libdatabroker-1-1/wiki/Data-Specifications
 	['type'] = 'data source', -- required: 'data source' or 'launcher'
@@ -239,7 +240,7 @@ local init = {
 --		print("setup ldb", childName, event)
 		child.OnText = zzLDB.DefaultOnText
 		db = child['db']
-		C_Timer.After(db['update'], OnDataUpdate)
+		ticker = C_Timer.NewTicker(db['update'] or 2, OnDataUpdate)
 	end
 }
 addon.RegisterCallback(init, format("Init%s", childName), 'Setup', childName)