Mycat 管理命令7
2023-03-31 10:28:56 时间
查看高频SQL
mysql> show @@sql.high ;
+------+------+-----------+----------+----------+----------+--------------+---------------+-------------------------------+
| ID | USER | FREQUENCY | AVG_TIME | MAX_TIME | MIN_TIME | EXECUTE_TIME | LAST_TIME | SQL |
+------+------+-----------+----------+----------+----------+--------------+---------------+-------------------------------+
| 0 | cc | 1 | 13 | 27 | 27 | 27 | 1457442294297 | select count(*) from catworld |
+------+------+-----------+----------+----------+----------+--------------+---------------+-------------------------------+
1 row in set (0.00 sec)
mysql>
查看慢查询
mysql> show @@sql.slow;
Empty set (0.00 sec)
mysql>
查看SQL统计
mysql> show @@sql.sum;
+------+------+------+------+------+------+--------------+--------------+---------------+
| ID | USER | R | W | R% | MAX | TIME_COUNT | TTL_COUNT | LAST_TIME |
+------+------+------+------+------+------+--------------+--------------+---------------+
| 1 | cc | 8 | 0 | 1.00 | 1 | [0, 0, 0, 8] | [5, 3, 0, 0] | 1457442532080 |
+------+------+------+------+------+------+--------------+--------------+---------------+
1 row in set (0.00 sec)
mysql>
mysql> show @@sql.sum.user;
+------+------+------+------+------+------+--------------+--------------+---------------+
| ID | USER | R | W | R% | MAX | TIME_COUNT | TTL_COUNT | LAST_TIME |
+------+------+------+------+------+------+--------------+--------------+---------------+
| 1 | cc | 8 | 0 | 1.00 | 1 | [0, 0, 0, 8] | [5, 3, 0, 0] | 1457442532080 |
+------+------+------+------+------+------+--------------+--------------+---------------+
1 row in set (0.00 sec)
mysql>
查看表统计
mysql> show @@sql.sum.table;
+------+----------+------+------+------+-----------+-----------+---------------+
| ID | TABLE | R | W | R% | RELATABLE | RELACOUNT | LAST_TIME |
+------+----------+------+------+------+-----------+-----------+---------------+
| 0 | catworld | 5 | 0 | 1.00 | NULL | NULL | 1457442518224 |
| 1 | abc | 3 | 0 | 1.00 | NULL | NULL | 1457442532080 |
+------+----------+------+------+------+-----------+-----------+---------------+
2 rows in set (0.01 sec)
mysql>
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