'Log buffer' presentation slideshows

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1.04k views • 61 slides

Implementing Atomicity and Durability

Implementing Atomicity and Durability. Chapter 25. System Malfunctions. Transaction processing systems have to maintain correctness in spite of malfunctions Crash Abort Media Failure. Failures: Crash. Processor failure, software bug

761 views • 58 slides

Chapter 22

Chapter 22. Implementing Atomicity and Durability. System Malfunctions. Transaction processing systems have to maintain correctness in spite of malfunctions Crash Abort Media Failure. Failures: Crash. Processor failure, software bug

718 views • 58 slides

Oracle Wait Events That Everyone Should Know Kerry Osborne Senior Oracle Guy

Oracle Wait Events That Everyone Should Know Kerry Osborne Senior Oracle Guy. What Are Wait Events?. Basically a section of code Uses gettimeofday All time is stuck in a bucket with a name Multiple things can be stuck in the same bucket

651 views • 53 slides

Oracle Wait Events That Everyone Should Know Kerry Osborne Senior Oracle Guy

Oracle Wait Events That Everyone Should Know Kerry Osborne Senior Oracle Guy. What Are Wait Events?. Basically a section of code Uses gettimeofday All time is stuck in a bucket with a name Multiple things can be stuck in the same bucket

609 views • 53 slides

Redo and Archiving

Redo and Archiving. Objectives. After completing this lesson, you should be able to: Explain how to measure redo resource contention List the causes of redo contention Detail the LGWR algorithm and tuning concepts Identify redo-less operations and their likely effect on performance

735 views • 48 slides

RMOUG Training Days 2005

525 views • 42 slides

Transactional Recovery and Checkpoints

537 views • 39 slides

Inside SQL Server Wait Types

Inside SQL Server Wait Types. SQL 2005 and SQL 2008. Bob Ward Microsoft Corporation. Microsoft CSS at PASS 2009. Welcome to My World. =. All scripts will be available. Not the best of docs. What is a wait type?. 485 in SQL Server 2008. We created this to help us find bottlenecks

340 views • 30 slides

Oracle Architectural Components

Oracle Architectural Components. Objectives. Listing the structures involved in connecting a user to an Oracle server Listing the stages in processing a query Listing the stages in processing a DML statement Listing the stages in processing COMMITS. Oracle server. The Oracle Server.

391 views • 28 slides

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481 views • 27 slides

Aether : A Scalable Approach to Logging

533 views • 25 slides

Oracle Architectural Components

Oracle Architectural Components. Objectives. After completing this appendix, you should be able to do the following: Describe the Oracle Server architecture and its main components List the structures involved in connecting a user to an Oracle instance List the stages in processing: Queries

361 views • 23 slides

Lesson 1

Lesson 1. Overview of Oracle8 Architecture. Objectives. Recognize the components of the Oracle8 architecture. Identify the purpose of each of the component types. Overview. A database administrator (DBA) must understand the Oracle Server architecture to effectively manage an Oracle database.

349 views • 23 slides

Transactional Recovery and Checkpoints Chap. 10.6-10.8

345 views • 22 slides

Upgrade to Real Time Linux Target: A MATLAB-Based Graphical Control Environment

Upgrade to Real Time Linux Target: A MATLAB-Based Graphical Control Environment. Thesis Defense by Hai Xu. Department of Electrical and Computer Engineering. CLEMSON U N I V E R S I T Y. Presentation Overview. Introduction Technical Approach: Memory Allocation Shared Memory Pool

378 views • 21 slides

Oracle Architectural Components

Oracle Architectural Components. Objectives. Listing the structures involved in connecting a user to an Oracle server Listing the stages in processing a query Listing the stages in processing a DML statement Listing the stages in processing COMMITS. Oracle server. The Oracle Server.

375 views • 20 slides

Figure 25.1 Organization of memory.

Figure 25.1 Organization of memory. Figure 25.2 Log example. Figure 25.3 The recovery procedure can handle database restoration correctly with a write-ahead log.

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DBMS Transactions and Rollback Recovery

DBMS Transactions and Rollback Recovery. Helia / Martti Laiho. Application programs - Sessions (connections) - Transactions - SQL commands. Database Instance. Data Buffer (Buffer pool). DBMS Listener / Server Transaction Manager SQL Engine (parser) Security Manager

410 views • 8 slides