Purpose
This view displays the latch information of all OBServer nodes in the cluster.
Columns
| Column | Type | Nullable | Description |
|---|---|---|---|
| CON_ID | bigint(20) | NO | The tenant ID. |
| SVR_IP | varchar(46) | NO | The IP address. |
| SVR_PORT | bigint(20) | NO | The port number. |
| ADDR | varchar(256) | NO | This column is always NULL. |
| LATCH# | bigint(20) | NO | The index of the latch class to which the latch belongs. |
| LEVEL# | bigint(20) | NO | The index of the latch level to which the latch belongs. |
| NAME | varchar(256) | NO | The name of the latch. |
| HASH | bigint(20) | NO | This column is always 0. |
| GETS | bigint(20) | NO | The number of times the lock was successfully acquired. |
| MISSES | bigint(20) | NO | The number of times the lock was in a waiting state. |
| SLEEPS | bigint(20) | NO | The total number of yields. |
| IMMEDIATE_GETS | bigint(20) | NO | The number of times the try_lock was successfully acquired. |
| IMMEDIATE_MISSES | bigint(20) | NO | The number of times the try_lock failed. |
| SPIN_GETS | bigint(20) | NO | The total number of spins. |
| WAIT_TIME | bigint(20) | NO | The total wait time for sleep. |