Skip Headers
Oracle® Database Reference
10g Release 2 (10.2)

Part Number B14237-01
Go to Documentation Home
Home
Go to Book List
Book List
Go to Table of Contents
Contents
Go to Index
Index
Go to Master Index
Master Index
Go to Feedback page
Feedback

Go to previous page
Previous
Go to next page
Next
View PDF

V$PQ_SYSSTAT

This view lists system statistics for parallel queries. After you have run a query or DML operation, you can use the information derived from V$PQ_SYSSTAT to view the number of slave processes used, and other information for the system.

Column Datatype Description
STATISTIC VARCHAR2(30) Name of the statistic:
  • Servers Busy - Number of currently busy servers on this instance

  • Servers Idle - Number of currently idle servers on this instance

  • Servers Highwater - Number of active servers on this instance that have partaken in >= 1 operation so far

  • Server Sessions - Total number of operations executed in all servers on this instance

  • Servers Started - Total number of servers started on this instance

  • Servers Shutdown - Total number of servers shutdown on this instance

  • Servers Cleaned Up - Total number of servers on this instance cleaned up due to process death

  • Queries Initiated - Total number of parallel queries initiated on this instance

  • DDL Initiated - Total number of parallel DDL operations that were initiated

  • DML Initiated - Total number of parallel DML operations that were initiated

  • DFO Trees - Total number of DFO trees executed on this instance

  • Local Msgs Sent - Total number of local (intra-instance) messages sent on this instance

  • Distr Msgs Sent - Total number of remote (inter-instance) messages sent on this instance

  • Local Msgs Recv'd - Total number of remote (inter-instance) messages received on this instance

  • Distr Msgs Recv'd - Total number of remote (inter-instance) messages received on this instance

VALUE NUMBER Value of the statistic