V$RESULT_CACHE_STATISTICS
displays various Result Cache settings and usage statistics.
Column | Datatype | Description |
---|---|---|
ID |
NUMBER |
Statistic number |
NAME |
VARCHAR2(128) |
Name of the statistic (see Table 8-6) |
VALUE |
VARCHAR2(81) |
Value of the statistic |
Table 8-6 V$RESULT_CACHE_STATISTICS Statistics
Statistic Name | Description |
---|---|
Block Size (Bytes) |
Size of each memory block |
Block Count Maximum |
Maximum number of memory blocks allowed |
Block Count Current |
Number of memory blocks currently allocated |
Result Size Maximum (Blocks) |
Maximum number of blocks allowed for a single result |
Create Count Success |
Number of cache results successfully created |
Create Count Failure |
Number of cache results that failed to create |
Find Count |
Number of cached results that were successfully found |
Invalidation Count |
Total number of invalidations |
Delete Count Invalid |
Number of invalid cached results deleted |
Delete Count Valid |
Number of valid cached results deleted |
Hash Chain Length |
Average length of items in the hash chain |
Find Copy CountFoot 1 |
Number of results copied directly out of the cache |
Footnote 1 This statistic is available starting with Oracle Database 11g Release 2 (11.2.0.2).