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

Part Number B14237-02
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
Contact Us

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

DBA_HIST_BUFFER_POOL_STAT

DBA_HIST_BUFFER_POOL_STAT displays historical statistics about all buffer pools available for the instance. This view contains snapshots of V$BUFFER_POOL_STATISTICS.

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
ID NUMBER NOT NULL Buffer pool identifier number
NAME VARCHAR2(20)   Name of the buffer pool
BLOCK_SIZE NUMBER   Block Size
SET_MSIZE NUMBER   Buffer pool maximum set size
CNUM_REPL NUMBER   Number of buffers on the replacement list
CNUM_WRITE NUMBER   Number of buffers on the write list
CNUM_SET NUMBER   Number of buffers in the 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