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Oracle® Database Reference
11g Release 2 (11.2)

E40402-10
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DBA_HIST_DISPATCHER

DBA_HIST_DISPATCHER displays historical information for each dispatcher process present at the time of the snapshot. This view contains snapshots of information from V$DISPATCHER and V$QUEUE.

Column Datatype NULL Description
SNAP_ID NUMBER NOT NULL Unique snapshot ID
DBID NUMBER NOT NULL Database ID for the snapshot
INSTANCE_NUMBER NUMBER NOT NULL Instance number for the snapshot
NAME VARCHAR2(4) NOT NULL Name of the dispatcher process
SERIAL# NUMBER   Serial number of the dispatcher process
IDLE NUMBER   Total idle time for the dispatcher (in hundredths of a second)
BUSY NUMBER   Total busy time for the dispatcher (in hundredths of a second)
WAIT NUMBER   Total time that all items in the dispatcher queue have waited (in hundredths of a second). Divide by TOTALQ for average wait per item.
TOTALQ NUMBER   Total number of items that have ever been in the dispatcher queue
SAMPLED_TOTAL_CONN NUMBER   Cumulative sum of total number of connections to the dispatcher over all samples. To determine the average number of connections to the dispatcher between two snapshots, divide the difference in SAMPLED_TOTAL_CONN by the difference in NUM_SAMPLES (obtained from DBA_HIST_SHARED_SERVER_SUMMARY).