node2:/root#mysql -uroot -p1234567 --socket='/data01/mysql/mysql.sock' -e"show processlist"
Warning: Using a password on the command line interface can be insecure.
+----+------+---------------------+--------+---------+------+-------+------------------+
| Id | User | Host | db | Command | Time | State | Info |
+----+------+---------------------+--------+---------+------+-------+------------------+
| 30 | root | 192.168.137.1:54289 | django | Sleep | 334 | | NULL |
| 31 | root | 192.168.137.1:54290 | django | Sleep | 334 | | NULL |
| 33 | root | node2:42138 | tlcb | Sleep | 818 | | NULL |
| 78 | root | localhost | DEVOPS | Sleep | 16 | | NULL |
| 88 | root | localhost | NULL | Query | 0 | init | show processlist |
+----+------+---------------------+--------+---------+------+-------+------------------+
node2:/root#
21.16 The INFORMATION_SCHEMA PROCESSLIST Table
PROCESSLIST表提供了信息關於運行的線程
The PROCESSLIST table has these columns:
ID
連接標識符,這與show processlist 語句的ID列是一樣的
User
執行語句的MYSQL用戶,system user的值指向一個非客戶端線程 通過server 派生來處理內部任務
HOST
執行SQL語句的客戶端的名字(系統用戶除外,沒有主機名)
DB
如果選擇了默認數據庫,則爲數據庫,否則爲空
COMMAND
線程正在執行的命令
TIME
線程處於當前狀態的事件,對於slave sql線程, 值是最後複製事務的事件和salve機器當前的時間
的秒數
