Oracle Parallel Processing

Oracle Parallel Processing

by TusharMahapatra (Author), SanjayMishra (Author)

Synopsis

Parallel processing involves dividing a large computer task into several smaller ones, and then working on each of the smaller tasks simultaneously. The goal of this divide-and-conquer approach is to complete the larger task in less time than it would have taken to do it in one large chunk. Parallel processing is becoming increasingly important to database computing. That's because, these days, databases often grow to enormous sizes and are accessed by large numbers of users. Such growth strains the ability of single-processor and single-computer systems to handle the load. More and more, organizations are turning to parallel processing technologies to give them the performance, scalability, and reliability they need. This text describes the full range of parallel processing capabilities in the Oracle environment, which supports a number of parallel architectures, products, and features. Selecting, installing, administering, and tuning these facilities demands a lot from system architects and administrators. Unfortunately, if these tasks aren't done properly, major performance problems result. The book's organization lays the groundwork for successful Oracle parallel processing, with sections that unpack both the major implications of the technology and its details: parallel processing overview - what are its features, benefits, and pitfalls; who needs it and who doesn't?; and what features does Oracle provide, and what are their requirements and overhead implications? The authors take a close look at these issues and present the various parallel architectures (Symmetric Multiprocessing or SMP, Massively Parallel Processing or MPP, clustered systems, and Non Uniform Memory Access or NUMA). The text also covers parallel execution as Oracle supports a variety of parallel execution features in the database. The book shows how to use, administer, and tune all of these features: parallel query, parallel data loading, parallel Data Manipulation Language (DML), parallel object creation, parallel recovery, parallel replication propagation, and parallel function execution. Lastly, the book provides information on Oracle Parallel Server, as Oracle also provides the extra-cost OPS option that makes it possible to spread work over both multiple CPUs and multiple nodes. The book covers requirements, administration, monitoring, tuning, and recovery issues.

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More Information

Format: Paperback
Pages: 268
Edition: 1
Publisher: O'Reilly Media
Published: 11 Aug 2000

ISBN 10: 156592701X
ISBN 13: 9781565927018

Author Bio
Tushar Mahapatra has been working as a software developer and consultant since 1987 and has worked on a variety of OLTP and DSS projects using the Oracle database. Presently, as a database architect for a Fortune 500 company, he is responsible for the design, implementation, and deployment of applications in an Oracle Parallel Server environment. He also runs a small consulting company that provides database design, application development, and database administration services for Oracle databases. Tushar has a bachelor's degree in Electrical Engineering and a master's degree in Computer Science and Management. He lives in New Jersey with his wife Sasmita and their two children. He can be reached by email at tkm@mitrasystems.com. Sanjay Mishra is a certified Oracle database administrator with more than nine years of IT experience. For the past six years, he has been involved in the design, architecture, and implementation of many mission- critical and decision support databases. He has worked extensively in the areas of database architecture, database management, backup/recovery, disaster planning, performance tuning, Oracle Parallel Server, and parallel execution. He has a Bachelor of Engineering degree in Electrical Engineering and a Master of Engineering degree in Systems Science and Automation. He loves hiking and trekking and has climbed a mountain pass more than 12,000 feet high in the Himalayas. He is married to Sudipti, and both of them like movies and are ardent cricket fans. He can be reached at skm69@hotmail.com.