这篇文章主要介绍了zabbix 监控mysql的方法,本文给大家介绍的非常详细，对大家的学习或工作或学习具有一定的参考借鉴价值，需要的朋友可以参考下
zabbix部署文档
zabbix部署完之后
zabbix-agent操作
1.监控mysql，首先要先安装mysql
[root@localhost ~]# yum -y install mariadb mariadb-server
2.编写mysql监控项的脚本
在zabbix-agent先授权个用户 不然测试时没有权限
[root@localhost ~]# mysql Welcome to the MariaDB monitor. Commands end with ; or \\g. Your MariaDB connection id is 33 Server version: 5.5.65-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type \'help;\' or \'\\h\' for help. Type \'\\c\' to clear the current input statement. MariaDB [(none)]> grant all on *.* to \'check\'@\'localhost\' identified by \'123\'; Query OK, 0 rows affected (0.00 sec)
mysql监控的内容主要有
- 主从的状态 (得先配置主从 在下面)
- 流量检测 发送，接受常规操作 增删改查
- 某个库、某个表的大小
- tps(每秒查询处理的事务数）qps(每秒能处理多少次请求数)
[root@localhost ~]# mkdir /etc/zabbix/scipts
[root@localhost ~]# cd /etc/zabbix/scipts/
[root@localhost scipts]# vim mysql.sh
#!/bin/bash
mysql=\"mysql -ucheck -p123\"
case $1 in
# mysql主从状态
slave_status)
$mysql -e \"show slave status\\G\" |grep \"Yes\" |wc -l
;;
# mysql流量 接受
Bytes_received)
mysqladmin extended-status |grep \"Bytes_received\" |awk \'{print $4}\'
;;
# mysql流量 发送
Bytes_sent)
mysqladmin extended-status |grep \"Bytes_sent\" |awk \'{print $4}\'
;;
# mysql常规操作 增
Com_insert)
mysqladmin extended-status |grep -w \"Com_insert\" |awk \'{print $4}\'
;;
# mysql常规操作 删
Com_delete)
mysqladmin extended-status |grep -w \"Com_delete\" |awk \'{print $4}\'
;;
# mysql常规操作 改
Com_update)
mysqladmin extended-status |grep -w \"Com_update\" |awk \'{print $4}\'
;;
# mysql常规操作 查
Com_select)
mysqladmin extended-status |grep -w \"Com_select\" |awk \'{print $4}\'
;;
# mysql tps
tps)
mysqladmin status |awk \'{print $6/$2}\'
;;
# mysql qps=(rollback+commit)/uptime
qps)
rollback=$(mysqladmin extended-status |grep -w \"Com_rollback\" |awk \'{print $4}\')
commit=$(mysqladmin extended-status |grep -w \"Com_commit\" |awk \'{print $4}\')
uptime=$(mysqladmin status |awk \'{print $2}\')
count=$[$rollback+$commit]
echo \"$count $uptime\" > /tmp/a.txt
cat /tmp/a.txt |awk \'{print $1/$2}\'
;;
# 库大小 我们这里拿mysql库举例
db)
$mysql -e \"select sum(data_length) from information_schema.tables where table_schema=\'mysql\'\" |sed -n \'2p\'
;;
# 表大小 我们这里拿mysql下面的user表举例
tb)
$mysql -e \"select sum(data_length) from information_schema.tables where table_schema=\'mysql\' and table_name=\'user\'\" |sed -n \'2p\'
;;
esac
3.自定义键值key 重启zabbix-agent
[root@localhost scipts]# cd /etc/zabbix/zabbix_agentd.d/ [root@localhost zabbix_agentd.d]# vim mysql.conf UserParameter=mysql[*],/etc/zabbix/scipts/mysql.sh $1 [root@localhost zabbix_agentd.d]# systemctl restart zabbix-agent
4.在zabbix-server测试 先安装zabbix-get
[root@localhost ~]# yum -y install zabbix-get [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[slave_status] 2 [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[Bytes_received] 850970 [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[Bytes_sent] 224906 [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[Com_insert] 3001 [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[Com_delete] 135 [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[Com_update] 128 [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[Com_select] 19 [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[qps] 0.864842 [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[tps] 1.92936 [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[db] 555118 [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[tb] 420
报错处理
[root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[slave_status] sh: /etc/zabbix/scipts/mysql.sh: 权限不够 脚本执行权限不够 去zabbix-agent 加权限 [root@localhost zabbix_agentd.d]# chmod +x /etc/zabbix/scipts/mysql.sh [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[slave_status] ERROR 1227 (42000) at line 1: Access denied; you need (at least one of) the SUPER,REPLICATION CLIENT privilege(s) for this operation 是因为用户没有权限查看 去zabbix-agent 授权个用户在脚本里面加上 [root@localhost ~]# mysql Welcome to the MariaDB monitor. Commands end with ; or \\g. Your MariaDB connection id is 33 Server version: 5.5.65-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type \'help;\' or \'\\h\' for help. Type \'\\c\' to clear the current input statement. MariaDB [(none)]> grant all on *.* to \'check\'@\'localhost\' identified by \'123\'; Query OK, 0 rows affected (0.00 sec) [root@localhost scipts]# vim mysql.sh #!/bin/bash mysql=\"mysql -ucheck -p123\" case $1 in # mysql主从状态 slave_status) $mysql -e \"show slave status\\G\" |grep \"Yes\" |wc -l ;;
zabbix页面上添加监控项和图形
查看mysql流量数据
查看mysql qps tps
查看mysql主从状态
查看mysql常规操作
查看mysql库表大小
mysql主从配置
一.zabbix-server端
[root@localhost ~]# vim /etc/my.cnf
[root@localhost ~]# systemctl restart mariadb [root@localhost ~]# mysql Welcome to the MariaDB monitor. Commands end with ; or \\g. Your MariaDB connection id is 7 Server version: 5.5.65-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type \'help;\' or \'\\h\' for help. Type \'\\c\' to clear the current input statement. MariaDB [(none)]> show master status; +------------------+----------+--------------+------------------+ | File | Position | Binlog_Do_DB | Binlog_Ignore_DB | +------------------+----------+--------------+------------------+ | mysql-bin.000001 | 175170 | | | +------------------+----------+--------------+------------------+ 1 row in set (0.00 sec) MariaDB [(none)]> grant all on *.* to \'tom\'@\'%\' identified by \'123\'; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> flush privileges; Query OK, 0 rows affected (0.00 sec)
二.zabbix-agent端
[root@localhost ~]# vim /etc/my.cnf
[root@localhost ~]# systemctl restart mariadb [root@localhost ~]# mysql Welcome to the MariaDB monitor. Commands end with ; or \\g. Your MariaDB connection id is 2 Server version: 5.5.65-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type \'help;\' or \'\\h\' for help. Type \'\\c\' to clear the current input statement. MariaDB [(none)]> change master to -> master_host=\'192.168.27.136\', -> master_user=\'tom\', -> master_password=\'123\', -> master_log_file=\'mysql-bin.000001\', -> master_log_pos=175170; Query OK, 0 rows affected (0.01 sec) MariaDB [(none)]> start slave; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> show slave status \\G; *************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: 192.168.27.136 Master_User: tom Master_Port: 3306 Connect_Retry: 60 Master_Log_File: mysql-bin.000001 Read_Master_Log_Pos: 175170 Relay_Log_File: mysql-relay.000004 Relay_Log_Pos: 529 Relay_Master_Log_File: mysql-bin.000001 Slave_IO_Running: Yes Slave_SQL_Running: No Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 1146 Last_Error: Error \'Table \'zabbix.history_uint\' doesn\'t exist\' on query. Default database: \'zabbix\'. Query: \'insert into history_uint (itemid,clock,ns,value) values (23287,1602301747,810415730,1)\' Skip_Counter: 0 Exec_Master_Log_Pos: 173424 Relay_Log_Space: 2565 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: NULL Master_SSL_Verify_Server_Cert: No Last_IO_Errno: 0 Last_IO_Error: Last_SQL_Errno: 1146 Last_SQL_Error: Error \'Table \'zabbix.history_uint\' doesn\'t exist\' on query. Default database: \'zabbix\'. Query: \'insert into history_uint (itemid,clock,ns,value) values (23287,1602301747,810415730,1)\' Replicate_Ignore_Server_Ids: Master_Server_Id: 1 1 row in set (0.00 sec) ERROR: No query specified
报错处理
[root@localhost ~]# vim /etc/my.cnf
[root@localhost ~]# systemctl restart mariadb [root@localhost ~]# mysql Welcome to the MariaDB monitor. Commands end with ; or \\g. Your MariaDB connection id is 4 Server version: 5.5.65-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type \'help;\' or \'\\h\' for help. Type \'\\c\' to clear the current input statement. MariaDB [(none)]> show slave status \\G; *************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: 192.168.27.136 Master_User: tom Master_Port: 3306 Connect_Retry: 60 Master_Log_File: mysql-bin.000001 Read_Master_Log_Pos: 199126 Relay_Log_File: mysql-relay.000006 Relay_Log_Pos: 3950 Relay_Master_Log_File: mysql-bin.000001 Slave_IO_Running: Yes Slave_SQL_Running: Yes Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 0 Last_Error: Skip_Counter: 0 Exec_Master_Log_Pos: 199126 Relay_Log_Space: 4240 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: 0 Master_SSL_Verify_Server_Cert: No Last_IO_Errno: 0 Last_IO_Error: Last_SQL_Errno: 0 Last_SQL_Error: Replicate_Ignore_Server_Ids: Master_Server_Id: 1 1 row in set (0.00 sec)
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