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Oracle® Database Reference
11g Release 2 (11.2)

Part Number E17110-04
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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