July 2017
Intermediate to advanced
896 pages
23h 12m
English
Content preview from Oracle Internals
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Chapter 41
Investigating the Multiple Buffer Pool Feature of Oracle8
John Beresniewicz
The Oracle buffer cache is critical to obtaining optimal database performance. Prior to Oracle8, there were few tuning options for the buffer cache, other than assigning buffers using the DB_BLOCK_BUFFERS initialization parameter. In most cases, the LRU algorithm governing the buffer cache works quite well; no other tuning is required. However, certain data access patterns have been identified that could benefit from alternative buffer aging algorithms. Oracle8 allows the buffer cache to be divided into as many as three separate buffer pools to accommodate multiple cache management strategies and assignment of objects to specific buffer pools. These new ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.