From 7a28b64ecfe92aa2f15631eea84b5d638f1cf7ef Mon Sep 17 00:00:00 2001
From: zequeitor <zequeitor@gmail.com>
Date: Thu, 6 Mar 2014 18:22:02 -0200
Subject: [PATCH] check query cache verification on mysql >= 5.6.8

Add query cache type verification
MySQL >= 5.6.8 has query_cache_type OFF by default. It will disables the entire cache.
http://dev.mysql.com/doc/refman/5.6/en/server-system-variables.html#sysvar_query_cache_type
---
 mysqltuner.pl | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/mysqltuner.pl b/mysqltuner.pl
index 63b8a96..8b8128f 100755
--- a/mysqltuner.pl
+++ b/mysqltuner.pl
@@ -826,7 +826,10 @@ sub mysql_stats {
 	} elsif ($myvar{'query_cache_size'} < 1) {
 		badprint "Query cache is disabled\n";
 		push(@adjvars,"query_cache_size (>= 8M)");
-	} elsif ($mystat{'Com_select'} == 0) {
+	} elsif ($myvar{'query_cache_type'} eq "OFF") {
+                badprint "Query cache is disabled\n";
+                push(@adjvars,"query_cache_type (=1)");
+        } elsif ($mystat{'Com_select'} == 0) {
 		badprint "Query cache cannot be analyzed - no SELECT statements executed\n";
 	} else {
 		if ($mycalc{'query_cache_efficiency'} < 20) {