V$PQ_SLAVE

V$PQ_SLAVE lists statistics for each of the active parallel execution servers on an instance.

Column Datatype Description
SLAVE_NAME VARCHAR2(4) Name of the parallel execution server
STATUS VARCHAR2(4) Current status of the parallel execution server:
  • BUSY

  • IDLE

SESSIONS NUMBER Number of sessions that have used this parallel execution server
IDLE_TIME_CUR NUMBER Amount of time spent idle while processing statements in the current session
BUSY_TIME_CUR NUMBER Amount of time spent busy while processing statements in the current session
CPU_SECS_CUR NUMBER Amount of CPU time spent on the current session
MSGS_SENT_CUR NUMBER Number of messages sent while processing statements for the current session
MSGS_RCVD_CUR NUMBER Number of messages received while processing statements for the current session
IDLE_TIME_TOTAL NUMBER Total amount of time this query server has been idle
BUSY_TIME_TOTAL NUMBER Total amount of time this query server has been active
CPU_SECS_TOTAL NUMBER Total amount of CPU time this query server has used to process statements
MSGS_SENT_TOTAL NUMBER Total number of messages this query server has sent
MSGS_RCVD_TOTAL NUMBER Total number of messages this query server has received