From 7c73e8dee705b4670cd051fad53e20e4a3cbe623 Mon Sep 17 00:00:00 2001
From: Monty Taylor <mordred@inaugust.com>
Date: Mon, 7 Jan 2013 08:17:01 +0000
Subject: [PATCH] Enable MySQL slow query log.

Change-Id: I3db33839bea28abaff01f1d7b7d6698c5dd2c083
---
 lib/databases/mysql | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/lib/databases/mysql b/lib/databases/mysql
index 1c0f5ebff6..965df6ee7b 100644
--- a/lib/databases/mysql
+++ b/lib/databases/mysql
@@ -63,6 +63,21 @@ function configure_database_mysql {
 default-storage-engine = InnoDB" $MY_CONF
     fi
 
+    # Turn on slow query log
+    sudo sed -i '/log.slow.queries/d' $MY_CONF
+    sudo sed -i -e "/^\[mysqld\]/ a \
+log-slow-queries = /var/log/mysql/mysql-slow.log" $MY_CONF
+
+    # Log any query taking longer than a second
+    sudo sed -i '/long.query.time/d' $MY_CONF
+    sudo sed -i -e "/^\[mysqld\]/ a \
+long-query-time = 1" $MY_CONF
+
+    # Log all non-indexed queries
+    sudo sed -i '/log.queries.not.using.indexes/d' $MY_CONF
+    sudo sed -i -e "/^\[mysqld\]/ a \
+log-queries-not-using-indexes" $MY_CONF
+
     restart_service $MYSQL
 }