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Oracle® Database Reference
11g Release 2 (11.2)

E40402-11
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V$QMON_SERVER_STATS

V$QMON_SERVER_STATS displays information and statistics about the active queue monitor server processes. There is one row per live queue monitor server process. The rows are deleted when the database (or instance in an Oracle RAC environment) restarts.

Column Datatype Description
QMNC_PID VARCHAR2(24) Process ID of the Queue Monitor Coordinator for this server
SERVER_PID VARCHAR2(24) Process ID of the server
SERVER_NAME VARCHAR2(48) Name of the server
STATUS VARCHAR2(40) Current state of the server:
  • UNUSED

  • RUNNING

  • IDLE WAIT

  • EXITING

  • NOT ACTIVE

SERVER_START_TIME TIMESTAMP(3) WITH TIME ZONE Start time of the server
TASK_NAME VARCHAR2(32) Current executing task
TASK_NUMBER NUMBER Unique task number of the running task
TASK_START_TIME TIMESTAMP(3) WITH TIME ZONE Start time of the running task
LAST_WAIT_TIME TIMESTAMP(3) WITH TIME ZONE Time when the server last waited
MAX_LATENCY NUMBER Maximum task latency for this server (in seconds)
MIN_LATENCY NUMBER Minimum task latency for this server (in seconds)
TOTAL_LATENCY NUMBER Cumulative task latency for this server (in seconds)
NUM_TASKS NUMBER Number of tasks processed by the server
LAST_FAILURE VARCHAR2(32) Last failure encountered by the server
LAST_FAILURE_TIME TIMESTAMP(3) WITH TIME ZONE Last failure time
LAST_FAILURE_TASK VARCHAR2(32) Task being run at the time of the last failure
LAST_FAILURE_TASKNUM NUMBER Unique task number of the failed task