1. Database Reference
  2. Dynamic Performance Views
  3. Dynamic Performance (V$) Views: V$SCHEDULER_RUNNING_JOBS to V$ZONEMAP_USAGE_STATS
  4. V$SESS_IO

9.15 V$SESS_IO

V$SESS_IO displays I/O statistics for each user session.

Column Datatype Description

SID

NUMBER

Session identifier

BLOCK_GETS

NUMBER

Block gets for this session

CONSISTENT_GETS

NUMBER

Consistent gets for this session

PHYSICAL_READS

NUMBER

Physical reads for this session

BLOCK_CHANGES

NUMBER

Block changes for this session

CONSISTENT_CHANGES

NUMBER

Consistent changes for this session

OPTIMIZED_PHYSICAL_READS

NUMBER

Number of physical reads from Database Smart Flash Cache for this session

CON_ID

NUMBER

The ID of the container to which the data pertains. Possible values include:

  • 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

  • 1: This value is used for rows containing data that pertain to only the root

  • n: Where n is the applicable container ID for the rows containing data