改进版
可以建立主从机制,在从上执行慢查询语句分析
主
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|
cat
/
usr
/
local
/
sbin
/
lepus_slowquery.sh
#!/bin/bash
#****************************************************************#
# ScriptName:/usr/local/sbin/lepus_slowquery.sh
# Create Date:2014-03-25 10:01
# Modify Date:2014-03-25 10:01
#***************************************************************#
#configlepus database server监控机
lepus_db_host
=
"172.1.1.197"
lepus_db_port
=
3306
lepus_db_user
=
"lepus_user"
lepus_db_password
=
"lepus_password"
lepus_db_database
=
"lepus"
#configmysql server被监控机
mysql_client
=
"/opt/mysql/bin/mysql"
mysql_host
=
"172.1.1.221"
mysql_port
=
3306
mysql_user
=
"lepus_monitor"
mysql_password
=
"lepus_password"
#configslowqury慢日志位置
slowquery_dir
=
"/home/log/mysql/"
slowquery_long_time
=
0.5
slowquery_file
=
`$mysql_client
-
h$mysql_host
-
P$mysql_port
-
u$mysql_user
-
p$mysql_password
-
e
"show variables like'slow_query_log_file'"
|grep log|awk
'{print $2}'
`
pt_query_digest
=
"/usr/local/bin/pt-query-digest"
#config server_id被监控机id从lepus图形界面看
lepus_server_id
=
275
#collect mysqlslowquery log into lepus database
#$pt_query_digest --user=$lepus_db_user --password=$lepus_db_password --port=$lepus_db_port --charset=utf8 --review h=$lepus_db_host,D=$lepus_db_database,t=mysql_slow_query_review --history h=$lepus_db_host,D=$lepus_db_database,t=mysql_slow_query_review_history --no-report --limit=100% --filter="\$event->{add_column} = length(\$event->{arg}) and\$event->{serverid}=$lepus_server_id " $slowquery_file >/tmp/lepus_slowquery.log
##### set a new slowquery log ###########
tmp_log
=
`$mysql_client
-
h$mysql_host
-
P$mysql_port
-
u$mysql_user
-
p$mysql_password
-
e
"select concat('$slowquery_dir','slowquery_',date_format(now(),'%Y%m%d%H'),'.log');"
|grep log|sed
-
n
-
e
'2p'
`
#config mysqlslowquery
$mysql_client
-
h$mysql_host
-
P$mysql_port
-
u$mysql_user
-
p$mysql_password
-
e
"set global slow_query_log=1;set global long_query_time=$slowquery_long_time;"
$mysql_client
-
h$mysql_host
-
P$mysql_port
-
u$mysql_user
-
p$mysql_password
-
e
"set global slow_query_log_file = '$tmp_log'; "
echo
"$tmp_log"
>$slowquery_dir
/
version.txt
#delete log before 7days
cd $slowquery_dir
/
usr
/
bin
/
find .
/
-
name
'slowquery_*.log'
-
mtime
+
14
|xargs rm
-
rf ;
###同步慢查询日志到从服务上
src
=
/
home
/
log
/
mysql
/
dest
=
mysql
ip
=
172.1
.
1.222
#/usr/bin/inotifywait -mrq --timefmt '%d/%m/%y%H:%M' --format '%T %w %f' -e modify,delete,create,attrib $src | while read DATE TIME DIR FILE;
#do
#filechange=${DIR}${FILE}
/
usr
/
bin
/
rsync
-
avz
-
-
delete
-
-
progress $src
221mysqlbak
@$ip::$dest
-
-
password
-
file
=
/
etc
/
rsyncd.password >
/
home
/
rsync.log
2
>&
1
#echo "At ${TIME} on ${DATE}, file $filechange was backed up via rsynce" >/home/rsync.log 2>&1
#done
####END####
|
定时任务
00 */1 * * * root /bin/bash /usr/local/sbin/lepus_slowquery.sh 1>/dev/null 2>&1 &
从
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|
cat
/
usr
/
local
/
sbin
/
lepus_slowquery.sh
#!/bin/bash
#****************************************************************#
# ScriptName:/usr/local/sbin/lepus_slowquery.sh
# Create Date:2014-03-25 10:01
# Modify Date:2014-03-25 10:01
#***************************************************************#
#configlepus database server监控机
lepus_db_host
=
"172.1.1.197"
lepus_db_port
=
3306
lepus_db_user
=
"lepus_user"
lepus_db_password
=
"lepus_password"
lepus_db_database
=
"lepus"
#configmysql server被监控机
mysql_client
=
"/opt/mysql/bin/mysql"
mysql_host
=
"172.1.1.222"
mysql_port
=
3306
mysql_user
=
"lepus_monitor"
mysql_password
=
"lepus_password"
#configslowqury慢日志位置
slowquery_dir
=
"/home/log/mysql/"
slowquery_long_time
=
0.5
#slowquery_file=`$mysql_client -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password -e "show variables like'slow_query_log_file'"|grep log|awk '{print $2}'`
pt_query_digest
=
"/usr/local/bin/pt-query-digest"
#config server_id被监控机id从lepus图形界面看
lepus_server_id
=
276
slowquery_file
=
`cat ${slowquery_dir}version.txt`
#collect mysqlslowquery log into lepus database
$pt_query_digest
-
-
user
=
$lepus_db_user
-
-
password
=
$lepus_db_password
-
-
port
=
$lepus_db_port
-
-
charset
=
utf8
-
-
review h
=
$lepus_db_host,D
=
$lepus_db_database,t
=
mysql_slow_query_review
-
-
history h
=
$lepus_db_host,D
=
$lepus_db_database,t
=
mysql_slow_query_review_history
-
-
no
-
report
-
-
limit
=
100
%
-
-
filter
=
"\$event->{add_column} = length(\$event->{arg}) and\$event->{serverid}=$lepus_server_id "
$slowquery_file >
/
home
/
lepus_slowquery.log
##### set a new slowquery log ###########
#tmp_log=`$mysql_client -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password -e "select concat('$slowquery_dir','slowquery_',date_format(now(),'%Y%m%d%H'),'.log');"|grep log|sed -n -e '2p'`
#config mysqlslowquery
#$mysql_client -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password -e "set global slow_query_log=1;set global long_query_time=$slowquery_long_time;"
#$mysql_client -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password -e "set global slow_query_log_file = '$tmp_log'; "
#delete log before 7days
#cd $slowquery_dir
#/usr/bin/find ./ -name 'slowquery_*' -mtime +7|xargs rm -rf ;
####END####
|
定时任务
*/30 * * * * root /bin/bash /usr/local/sbin/lepus_slowquery.sh 1>/dev/null 2>&1 &
web界面点击172.1.1.222慢查询分析就代表是主的慢查询
-------------------------------------------分割线----------------------------------------------------
首先,说明几点
1.lepus3.7和lepus3.8 安装基本相同
参考http://suifu.blog.51cto.com/9167728/1770121
一定要用apache,php最好高版本,yum最好
或者
参考http://suifu.blog.51cto.com/9167728/1770493
有一键部署的lamp环境,如果是新机器,建议采用,参时间
开始安装部署
因为要监控mysql5.7,所以下载lepus3.8版本
a 监控机
1.1如果监控机的mysql也是5.7的话,那么这里有个问题,就是sql_mode,5.7默认开启了
select version(), @@sql_mode;
关闭的话,vim /etc/my.cnf
sql_mode='IGNORE_SPACE,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION'
这步只要在监控机上做。
主要解决php中慢查询执行sql报错,就是sql_mode引起的
1.2
lamp环境,yum略过,最好自己内部有yum服务器,那样安装起来也很快
1.3
详细步骤请参考最上面的文章
mysql> create database lepus default character set utf8;
mysql> grant select,insert,update,delete,create on lepus.* to 'lepus_user'@'%' identified by'MANAGER';
grant select,insert,update,delete,create on lepus.* to 'lepus_user'@'%' identified by 'xx';
mysql> flush privileges;
[root@HE3Lepus_v3.8_beta]# mysql -uroot -p lepus < sql/lepus_table.sql
[root@HE3Lepus_v3.8_beta]# mysql -uroot -p lepus < sql/lepus_data.sql
mysql>use lepus
mysql>alter table mysql_status modify column max_connect_errors bigint(18);
mysql>alter table mysql_status_history modify column max_connect_errors bigi
安装Lpeus程序
进入到Lepus软件包的python文件夹
# cd python/
授予install.sh可执行权限
# chmod +x install.sh
执行安装
# ./install.sh
修改配置文件
进入到安装目录,默认为/usr/local/lepus
[root@HE3~]# vi /usr/local/lepus/etc/config.ini
###监控机MySQL数据库连接地址###
[monitor_server]
host="192.168.1.250"
port=4008
user="lepus_user"
passwd="MANAGER"
dbname="lepus"
重启lepus进程
/usr/local/lepus/lepus stop
/usr/local/lepus/lepus start
[root@HE3lepus]# tail -f logs/lepus.log
安装WEB管理台
进入到你的lepus软件目录
[root@HE3 ~]# cd /home/Lepus_v3.8_beta/
[root@HE3Lepus_v3.8_beta]# cp -r php /home/www
[root@HE3 ~]# vi /home/lepus/php/application/config/database.php
$db['default']['hostname'] = '192.168.1.250'; #这是a机器
$db['default']['port'] = '4008';
$db['default']['username'] = 'lepus_user';
$db['default']['password'] = 'MANAGER';
$db['default']['database'] = 'lepus';
$db['default']['dbdriver'] = 'mysql';
b 被监控机
2.
mysql> grant select,super,process,reload,show databases,replication client on *.* to'lepus_monitor'@'%' identified by 'MANAGER';
mysql> flush privileges;
3.登录进行添加主机和监控
通过浏览器输入mysqlmtop1.ikongjian.com打开监控界面,即可登录系统。.默认管理员账号密码admin/Lepusadmin登录后请修改管理员密码,增加普通账号。
4.表空间的监控,添加代码
job = Process(target = job_run, args = ('check_mysql_bigtable',int(frequency_monitor)*120))
joblist.append(job)
job.start()
5.慢查询
[root@ot21 bin]# service crond restart
停止 crond: [确定]
正在启动 crond: [确定]
[root@ot21 bin]# cat /usr/local/sbin/lepus_slowquery.sh
#!/bin/bash
#****************************************************************#
# ScriptName:/usr/local/sbin/lepus_slowquery.sh
# Create Date:2014-03-25 10:01
# Modify Date:2014-03-25 10:01
#***************************************************************#
#configlepus database server监控机
lepus_db_host="a"
lepus_db_port=3306
lepus_db_user="lepus_user"
lepus_db_password="xx"
lepus_db_database="lepus"
#configmysql server被监控机
mysql_client="xx"
mysql_host="b"
mysql_port=3306
mysql_user="lepus_monitor"
mysql_password="xx"
#configslowqury慢日志位置
slowquery_dir="/log/mysql/"
slowquery_long_time=0.5
slowquery_file=`$mysql_client -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password -e "show variables like'slow_query_log_file'"|grep log|awk '{print $2}'`
pt_query_digest="/usr/local/bin/pt-query-digest"
#config server_id被监控机id从lepus图形界面看
lepus_server_id=275
#collect mysqlslowquery log into lepus database
$pt_query_digest --user=$lepus_db_user --password=$lepus_db_password --port=$lepus_db_port --charset=utf8 --review h=$lepus_db_host,D=$lepus_db_database,t=mysql_slow_query_review --history h=$lepus_db_host,D=$lepus_db_database,t=mysql_slow_query_review_history --no-report --limit=100% --filter="\$event->{add_column} = length(\$event->{arg}) and\$event->{serverid}=$lepus_server_id " $slowquery_file >/tmp/lepus_slowquery.log
##### set a new slowquery log ###########
tmp_log=`$mysql_client -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password -e "select concat('$slowquery_dir','slowquery_',date_format(now(),'%Y%m%d%H'),'.log');"|grep log|sed -n -e '2p'`
#config mysqlslowquery
$mysql_client -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password -e "set global slow_query_log=1;set global long_query_time=$slowquery_long_time;"
$mysql_client -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password -e "set global slow_query_log_file = '$tmp_log'; "
#delete log before 7days
cd $slowquery_dir
/usr/bin/find ./ -name 'slowquery_*' -mtime +7|xargs rm -rf ;
####END####
定时任务
*/5 * * * * root /bin/bash /usr/local/sbin/lepus_slowquery.sh 1>/dev/null 2>&1 &
慢查询图片
8 | 7.162 | 6.189 | 9.012 | 0.0685 | 0.00014 | 0.03841 |
6.生成awr报告
7.定时邮件发送
完成。
注意问题
1.pt-query-digest 2.2.19
2.chown -R mysql.mysql /log/mysql
3.grant select,super,process,reload,show databases,replication client on *.* to'lepus_monitor'@'%' identified by 'xx';
4.lepus_server_id=275
5.sql_mode
附上查询语句
select t2.* from
(select a.checksum,a.fingerprint,a.sample,a.first_seen,a.last_seen,b.serverid_max,
b.db_max,b.user_max,b.ts_min,b.ts_max,
sum(b.ts_cnt) as ts_cnt,
sum(b.Query_time_sum)/sum(b.ts_cnt) as Query_time_avg,
max(b.Query_time_max) as Query_time_max,
min(b.Query_time_min) as Query_time_min,
b.Query_time_sum as Query_time_sum,
max(b.Lock_time_max) as Lock_time_max,
min(b.Lock_time_min) as Lock_time_min,
sum(b.Lock_time_sum) as Lock_time_sum
from mysql_slow_query_review a join mysql_slow_query_review_history b
where a.checksum=b.checksum and b.serverid_max='275'
group by a.checksum ) t2 where t2.Query_time_avg>4 and t2.ts_cnt>1000
-- order by Query_time_sum desc
order by t2.ts_cnt desc
本文转自 liqius 51CTO博客,原文链接:http://blog.51cto.com/szgb17/1887605,如需转载请自行联系原作者