Thanks for your fast response.
All my plugins are updated.
- Web Server: nginx/1.6.2 - Ubuntu 14.04.1 LTS
- Server version: 5.6.21-70.1 - Percona Server (GPL), Release 70.1, Revision 698
- mysql Ver 14.14 Distrib 5.6.21-70.1, for debian-linux-gnu (x86_64) using EditLine wrapper
About the clustered edition, I don't really know about it.