Skip Headers

Oracle® Database Reference 10g Release 2 (10.2) Part Number B14237-02 |
Home | Book List | Contents | Index | Master Index | Feedback

Previous | Next
| View PDF

# V$LATCH_MISSES

This view contains statistics about missed attempts to acquire a latch.

Column | Datatype | Description
--- | --- | ---
`PARENT_NAME` | `VARCHAR2(50)` | Latch name of a parent latch
`WHERE` | `VARCHAR2(64)` | This column is obsolete and maintained for backward compatibility. The value of this column is always equal to the value in `LOCATION`.
`NWFAIL_COUNT` | `NUMBER` | Number of times that no-wait acquisition of the latch failed
`SLEEP_COUNT` | `NUMBER` | Number of times that acquisition attempts caused sleeps
`WTR_SLP_COUNT` | `NUMBER` | Number of times a waiter slept
`LONGHOLD_COUNT` | `NUMBER` | Number of times someone held a latch for the entire duration of someone else's sleep
`LOCATION` | `VARCHAR2(64)` | Location that attempted to acquire the latch