Hi,
For more information i can add this sysbench also.
from mariadb :
[URL]http://pastebin.com/MbQfmcMf[/URL]
from PXC :
[URL]http://pastebin.com/jbgQc29m[/URL]
also a pt-query-digest /var/lib/mysql/slow.log : [URL]http://pastebin.com/G9MyD4BH[/URL]
Thanks for your help.