Oracle8i Reference
Release 2 (8.1.6)

Part Number A76961-01

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Dynamic Performance (V$) Views, 22 of 179


V$BUFFER_POOL_STATISTICS

V$BUFFER_POOL_STATISTICS displays information about all buffer pools available for the instance. The "sets" pertain to the number of LRU latch sets.

See Also:

"DB_BLOCK_LRU_LATCHES"

Column  Datatype  Description 

ID 

NUMBER 

Buffer pool ID number  

NAME 

VARCHAR2(20) 

Buffer pool name  

SET_MSIZE 

NUMBER 

Buffer pool maximum set size 

CNUM_REPL 

NUMBER 

Number of buffers on replacement list 

CNUM_WRITE 

NUMBER 

Number of buffers on write list 

CNUM_SET 

NUMBER 

Number of buffers in set 

BUF_GOT 

NUMBER 

Number of buffers gotten by the set 

SUM_WRITE 

NUMBER 

Number of buffers written by the set 

SUM_SCAN 

NUMBER 

Number of buffers scanned in the set 

FREE_BUFFER_WAIT 

NUMBER 

Free buffer wait statistic 

WRITE_COMPLETE_WAIT 

NUMBER 

Write complete wait statistic 

BUFFER_BUSY_WAIT 

NUMBER 

Buffer busy wait statistic 

FREE_BUFFER_INSPECTED 

NUMBER 

Free buffer inspected statistic 

DIRTY_BUFFERS_INSPECTED 

NUMBER 

Dirty buffers inspected statistic 

DB_BLOCK_CHANGE 

NUMBER 

Database blocks changed statistic 

DB_BLOCK_GETS 

NUMBER 

Database blocks gotten statistic 

CONSISTENT_GETS 

NUMBER 

Consistent gets statistic 

PHYSICAL_READS 

NUMBER 

Physical reads statistic 

PHYSICAL_WRITES 

NUMBER 

Physical writes statistic 


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