Purpose
GV$PLAN_CACHE_STAT displays the overall status of each plan cache of the current tenant on all servers.
Fields
| Field | Type | Nullable? | Description |
|---|---|---|---|
| SVR_IP | VARCHAR2(32) | NO | The IP address of the server. |
| SVR_PORT | NUMBER(38) | NO | The port number of the server. |
| SQL_NUM | NUMBER(38) | NO | The number of SQL statements in the plan cache. |
| MEM_USED | NUMBER(38) | NO | The size of memory used by the plan cache. |
| MEM_HOLD | NUMBER(38) | NO | The size of memory held by the plan cache. |
| ACCESS_COUNT | NUMBER(38) | NO | The number of accesses to the plan cache. |
| HIT_COUNT | NUMBER(38) | NO | The number of plan cache hits. |
| HIT_RATE | NUMBER(38) | NO | The hit rate of the plan cache. |
| PLAN_NUM | NUMBER(38) | NO | The number of plans. |
| MEM_LIMIT | NUMBER(38) | NO | The memory limit of the plan cache. |
| HASH_BUCKET | NUMBER(38) | NO | The number of buckets in the hash map of the plan cache. |
| STMTKEY_NUM | NUMBER(38) | NO | The number of stmt_keys in the plan cache. |