diff --git a/QGIS3---QGIS-Server-code-sprint-Notes.md b/QGIS3---QGIS-Server-code-sprint-Notes.md
index 27cb58f..362d5ef 100644
--- a/QGIS3---QGIS-Server-code-sprint-Notes.md
+++ b/QGIS3---QGIS-Server-code-sprint-Notes.md
@@ -52,4 +52,10 @@ Oslandia would like to work on a prototype
 
 See https://github.com/dmarteau/QGIS
 
-### Heavy discussion on plugin architecture 
\ No newline at end of file
+### Heavy discussion on plugin architecture 
+ boundless Alessandro Passotti
+ request for an external cache to allow scaling / load balancing system
+ each qgis instance should be able to centralize cache (qgis server node farm use case) to avoid cache duplication
+
+ Discussion,"do we need a project cache? "
+ why not just export a binary blob when saving qgs project? No more xml parsing then.