PROCESSLIST

    • MEM 列：MEM 显示正在处理的请求已使用的内存，单位是 byte。
    • TxnStart列：显示事务的开始时间
    1. +----------+---------------------+------+------+---------+-------+
    2. | Field    | Type                | Null | Key  | Default | Extra |
    3. +----------+---------------------+------+------+---------+-------+
    4. | ID       | bigint(21) unsigned | NO   |      | 0       |       |
    5. | USER     | varchar(16)         | NO   |      |         |       |
    6. | HOST     | varchar(64)         | NO   |      |         |       |
    7. | DB       | varchar(64)         | YES  |      | NULL    |       |
    8. | COMMAND  | varchar(16)         | NO   |      |         |       |
    9. | TIME     | int(7)              | NO   |      | 0       |       |
    10. | STATE    | varchar(7)          | YES  |      | NULL    |       |
    12. | MEM      | bigint(21) unsigned | YES  |      | NULL    |       |
    13. +----------+---------------------+------+------+---------+-------+
    14. 10 rows in set (0.00 sec)
    1. *************************** 1. row ***************************
    2.       ID: 16
    3.     USER: root
    4.     HOST: 127.0.0.1
    5.       DB: information_schema
    6.  COMMAND: Query
    7.     TIME: 0
    8.    STATE: autocommit
    9.     INFO: SELECT * FROM processlist
    10.      MEM: 0
    11. TxnStart: 
    12. 1 row in set (0.00 sec)
    • ID：客户连接 ID。
    • HOST：客户连接的地址。
    • DB：当前连接的默认数据库名。
    • COMMAND：当前 PROCESS 执行的命令类型。
    • TIME：当前 PROCESS 的已经执行的时间，单位是秒。
    • STATE：当前连接的状态。
    • INFO：正在处理的请求语句。
    • MEM：正在处理的请求已使用的内存，单位是 byte。
    • TxnStart列：显示事务的开始时间
    1. +-----------------+-----+------+----------+------+---------+------+------------+------------------------------------------------------+-----+----------------------------------------+
    2. | INSTANCE        | ID  | USER | HOST     | DB   | COMMAND | TIME | STATE      | INFO                                                 | MEM | TxnStart                               |
    3. +-----------------+-----+------+----------+------+---------+------+------------+------------------------------------------------------+-----+----------------------------------------+
    4. | 10.0.1.22:10080 | 150 | u1   | 10.0.1.1 | test | Query   | 0    | autocommit | select count(*) from usertable                       | 372 | 05-28 03:54:21.230(416976223923077223) |
    5. | 10.0.1.22:10080 | 138 | root | 10.0.1.1 | test | Query   | 0    | autocommit | SELECT * FROM information_schema.cluster_processlist | 0   | 05-28 03:54:21.230(416976223923077220) |
    6. | 10.0.1.22:10080 | 151 | u1   | 10.0.1.1 | test | Query   | 0    | autocommit | select count(*) from usertable                       | 372 | 05-28 03:54:21.230(416976223923077224) |
    7. | 10.0.1.21:10080 | 15  | u2   | 10.0.1.1 | test | Query   | 0    | autocommit | select max(field0) from usertable                    | 496 | 05-28 03:54:21.230(416976223923077222) |
    8. +-----------------+-----+------+----------+------+---------+------+------------+------------------------------------------------------+-----+----------------------------------------+