2021-12-02 09:30:16
浏览数 (1)
查看某一个数据节点的数据源
代码语言：javascript
复制mysql> show @@datasource where dataNode = sd2;
---------- -------- ------- ----------------- ------ ------ -------- ------ ------ ---------
| DATANODE | NAME | TYPE | HOST | PORT | W/R | ACTIVE | IDLE | SIZE | EXECUTE |
---------- -------- ------- ----------------- ------ ------ -------- ------ ------ ---------
| sd2 | h101M1 | mysql | 192.168.100.101 | 3306 | W | 0 | 10 | 100 | 203 |
---------- -------- ------- ----------------- ------ ------ -------- ------ ------ ---------
1 row in set (0.00 sec)
mysql>
查看处理器状态
代码语言：javascript
复制mysql> show @@processor;
------------ -------- --------- ------------- --------- --------- ------------- -------------- ------------ ---------- ---------- ----------
| NAME | NET_IN | NET_OUT | REACT_COUNT | R_QUEUE | W_QUEUE | FREE_BUFFER | TOTAL_BUFFER | BU_PERCENT | BU_WARNS | FC_COUNT | BC_COUNT |
------------ -------- --------- ------------- --------- --------- ------------- -------------- ------------ ---------- ---------- ----------
| Processor0 | 14212 | 3804 | 0 | 0 | 0 | 186 | 200 | 7 | 277 | 0 | 7 |
| Processor1 | 8229 | 25989 | 0 | 0 | 0 | 186 | 200 | 7 | 277 | 2 | 3 |
------------ -------- --------- ------------- --------- --------- ------------- -------------- ------------ ---------- ---------- ----------
2 rows in set (0.00 sec)
mysql>
查看命令状态(统计)
代码语言：javascript
复制mysql> show @@command;
------------ --------- ------- -------------- -------------- ------------ ------ ------ ------ -------
| PROCESSOR | INIT_DB | QUERY | STMT_PREPARE | STMT_EXECUTE | STMT_CLOSE | PING | KILL | QUIT | OTHER |
------------ --------- ------- -------------- -------------- ------------ ------ ------ ------ -------
| Processor0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Processor1 | 0 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
------------ --------- ------- -------------- -------------- ------------ ------ ------ ------ -------
2 rows in set (0.00 sec)
mysql>
查看连接状态
代码语言：javascript
复制mysql> show @@connection;
------------ ------ ----------------- ------ ------------ ------ -------- --------- -------- --------- --------------- ------------- ------------ --------- ------------
| PROCESSOR | ID | HOST | PORT | LOCAL_PORT | USER | SCHEMA | CHARSET | NET_IN | NET_OUT | ALIVE_TIME(S) | RECV_BUFFER | SEND_QUEUE | txlevel | autocommit |
------------ ------ ----------------- ------ ------------ ------ -------- --------- -------- --------- --------------- ------------- ------------ --------- ------------
| Processor1 | 2 | 192.168.100.101 | 9066 | 41013 | cc | NULL | utf8:33 | 113 | 3108 | 190 | 40960 | 0 | | |
| Processor1 | 1 | 192.168.100.102 | 9066 | 43190 | cc | NULL | utf8:45 | 846 | 21755 | 1981 | 40960 | 0 | | |
------------ ------ ----------------- ------ ------------ ------ -------- --------- -------- --------- --------------- ------------- ------------ --------- ------------
2 rows in set (0.01 sec)
mysql>
查看缓存状态
代码语言：javascript
复制mysql> show @@cache;
------------------------------------- ------- ------ -------- ------ ------ ------------- ----------
| CACHE | MAX | CUR | ACCESS | HIT | PUT | LAST_ACCESS | LAST_PUT |
------------------------------------- ------- ------ -------- ------ ------ ------------- ----------
| SQLRouteCache | 10000 | 0 | 0 | 0 | 0 | 0 | 0 |
| TableID2DataNodeCache.TESTDB_ORDERS | 50000 | 0 | 0 | 0 | 0 | 0 | 0 |
| ER_SQL2PARENTID | 1000 | 0 | 0 | 0 | 0 | 0 | 0 |
------------------------------------- ------- ------ -------- ------ ------ ------------- ----------
3 rows in set (0.01 sec)
mysql>
查看后端连接状态
代码语言：javascript
复制mysql> show @@backend;
------------ ------ --------- ----------------- ------ -------- -------- --------- ------ -------- ---------- ------------ -------- ---------- --------- ------------
| processor | id | mysqlId | host | port | l_port | net_in | net_out | life | closed | borrowed | SEND_QUEUE | schema | charset | txlevel | autocommit |
------------ ------ --------- ----------------- ------ -------- -------- --------- ------ -------- ---------- ------------ -------- ---------- --------- ------------
| Processor0 | 12 | 12 | 192.168.100.101 | 3306 | 34828 | 3127 | 804 | 2338 | false | false | 0 | my3 | latin1:8 | 0 | true |
| Processor0 | 13 | 14 | 192.168.100.101 | 3306 | 35206 | 2609 | 678 | 2038 | false | false | 0 | my3 | latin1:8 | 0 | true |
| Processor0 | 8 | 2 | 192.168.100.101 | 3306 | 34416 | 3867 | 984 | 2657 | false | false | 0 | my3 | latin1:8 | 0 | true |
| Processor0 | 2 | 8 | 192.168.100.101 | 3306 | 34422 | 463 | 156 | 2657 | false | false | 0 | my1 | latin1:8 | 0 | true |
| Processor0 | 10 | 11 | 192.168.100.101 | 3306 | 34425 | 463 | 156 | 2657 | false | false | 0 | my1 | latin1:8 | 0 | true |
| Processor0 | 15 | 16 | 192.168.100.101 | 3306 | 37083 | 611 | 192 | 538 | false | false | 0 | my3 | latin1:8 | 0 | true |
| Processor0 | 4 | 7 | 192.168.100.101 | 3306 | 34421 | 3941 | 1002 | 2657 | false | false | 0 | my3 | latin1:8 | 0 | true |
| Processor1 | 14 | 15 | 192.168.100.101 | 3306 | 35582 | 2091 | 552 | 1738 | false | false | 0 | my3 | latin1:8 | 0 | true |
| Processor1 | 3 | 3 | 192.168.100.101 | 3306 | 34417 | 3941 | 1002 | 2657 | false | false | 0 | my3 | latin1:8 | 0 | true |
| Processor1 | 11 | 13 | 192.168.100.101 | 3306 | 34829 | 315 | 120 | 2338 | false | false | 0 | my1 | latin1:8 | 0 | true |
------------ ------ --------- ----------------- ------ -------- -------- --------- ------ -------- ---------- ------------ -------- ---------- --------- ------------
10 rows in set (0.00 sec)
mysql>
