January 2012
Intermediate to advanced
542 pages
11h 28m
English
Content preview from Oracle Database 11gR2 Performance Tuning CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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V$BUFFER_POOL_STATISTICS
This displays statistics about buffer pools in the database instance.
Fields
The most relevant view fields are as follows:
ID: The buffer pool identifierNAME: The name of the buffer poolFREE_BUFFER_WAIT: The free buffer wait statisticWRITE_COMPLETE_WAIT: The write complete wait statisticBUFFER_BUSY_WAIT: The buffer busy wait statisticDB_BLOCK_GETS: The number of database blocks gotten statisticCONSISTENT_GETS: The number of consistent gets statisticPHYSICAL_READS: The number of physical reads statisticPHYSICAL_WRITES: The number of physical writes statistic
See also
- The
V$DB_CACHE_ADVICEsection to get advice in sizing the buffer pools
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