使用Zabbix監控MySQL伺服器方法

從zabbix 2.2開始，zabbix官方已經支援了mysql監控，但是mysql監控預設是不可用的，需要經過額外的設定才可以使用。kaijia將zabbix換到了新的伺服器時候效能綽綽有餘，於是決定充分發揮剩餘的記憶體和ssd效能，把mysql、apache、php-fpm等的監控也開起來

接下來就是被監控端（需要安裝zabbix agent）的設定了

./configure --enable-agent

make install

vi /usr/local/etc/zabbix_agentd.conf檔案

server=192.168.153.181#zabbix server輪詢agent

listenport=10050
listenip=0.0.0.0
serveractive=192.168.153.181#agent主動請求zabbix server

grant usage on *.* to 'zabbix'@'localhost' identified by '密碼';

flush privileges;

[client]

port            = 3306
socket          = /var/lib/mysql/mysql.sock
default-character-set=utf8
[mysqld]
port            = 3306
socket          = /var/lib/mysql/mysql.sock
skip-locking
key_buffer_size = 256m
max_allowed_packet = 1m
table_open_cache = 256
sort_buffer_size = 1m
read_buffer_size = 1m
read_rnd_buffer_size = 4m
myisam_sort_buffer_size = 64m
thread_cache_size = 8
query_cache_size= 16m
thread_concurrency = 8
default-character-set=utf8
log-bin=mysql-bin
binlog_format=mixed
server-id       = 1
[mysqldump]
quick
max_allowed_packet = 16m
#將一下配置內容放到/var/lib/zabbix更好一些
[mysql]
host=localhost
user=zabbix
password=zabbix
socket=/var/lib/mysql/mysql.sock
no-auto-rehash
[myisamchk]
key_buffer_size = 128m
sort_buffer_size = 128m
read_buffer = 2m
write_buffer = 2m
[mysqlhotcopy]
interactive-timeout
#將一下配置內容放到/var/lib/zabbix更好一些
[mysqladmin]
host=localhost
user=zabbix
password=zabbix
socket=/var/lib/mysql/mysql.sock

因為在/usr/local/etc/zabbix_agentd.conf.d/userparameter_mysql.conf檔案中指定了目錄

userparameter=mysql.size[*],echo "select sum($(case "$3" in both|"") echo "data_length+index_length";; data|index) echo "$3_length";; free) echo "data_free";; esac)) from information_schema.tables$([[ "$1" = "all" || ! "$1" ]] || echo " where table_schema='$1'")$([[ "$2" = "all" || ! "$2" ]] || echo "and table_name='$2'");" | home=/var/lib/zabbix mysql -n

userparameter=mysql.ping,home=/var/lib/zabbix mysqladmin ping | grep -c alive
userparameter=mysql.version,mysql -v

[mysql]

host=localhost
user=zabbix
password=zabbix
socket=/var/lib/mysql/mysql.sock
[mysqladmin]
host=localhost
user=zabbix
password=zabbix
socket=/var/lib/mysql/mysql.sock

vim /usr/local/etc/zabbix_agentd.conf (原始碼安裝的，沒有設定--prefix,配置檔案目錄就在這個)

拷貝userparameter_mysql.conf 檔案到/usr/local/etc/zabbix_agentd.conf.d/目錄下（具體安裝路徑請根據實際情況修改）

# cp /tmp/install/zabbix-2.2.9/conf/zabbix_agentd/userparameter_mysql.conf /usr/local/etc/zabbix_agentd.conf.d/userparameter_mysql.conf

cp /tmp/install/zabbix-2.2.9/misc/init.d/fedora/core/zabbix_agentd /etc/rc.d/init.d/

如果已經開啟過了，就重啟服務

service zabbix_agentd restart

-a input -m state --state new -m tcp -p tcp --dport 10050 -j accept

上圖

參考文章

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