small change

a.c-deployment/content.tex

@@ -138,7 +138,8 @@
             \item Consider setting it per role!
             \item Background processes are exempt
         \end{itemize}
-        \item MySQL: InnoDB buffer size is important
+        \item MySQL: key buffer size is important
+        \item Generally, tune for few heavy requests rather than many light ones
     \end{itemize}
 \end{frame}