'Redo' presentation slideshows

Redo Logs and Recovery

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Redo Logs and Recovery

909 views • 77 slides

764 views • 66 slides

666 views • 55 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

Recovery

671 views • 47 slides

CS4432: Database Systems II

CS4432: Database Systems II. Database Consistency and Violations?. Transactions, etc. Crash recovery Chapter 17 Concurrency control Chapter 18 Transaction processing Chapter 19. Name. Age. White Green Gray. 52 3421 1. Integrity or correctness of data ?.

600 views • 46 slides

Oracle 11g -Snapshot Standby and Active Data Guard

Oracle 11g -Snapshot Standby and Active Data Guard. Topic Coverage. Concepts and Basics Redo logs, archive logs and standby redo logs Attributes of log_archive_dest for standby Standby Protection modes Redo transport services, Redo apply services, Gap resolution 10g/11g Snapshot standby

858 views • 45 slides

Recovery

391 views • 31 slides

Recovery

399 views • 31 slides

Lecture 13: Recovery

Lecture 13: Recovery. Wednesday, February 2, 2005. Outline. Recovery using undo logging 17.2 Redo logging 17.3 Redo/undo 17.4. Checkpointing. Checkpoint the database periodically Stop accepting new transactions Wait until all current transactions complete Flush log to disk

284 views • 21 slides

Lecture 13: Recovery

Lecture 13: Recovery. Wednesday, February 2, 2005. Outline. Recovery using undo logging 17.2 Redo logging 17.3 Redo/undo 17.4. Checkpointing. Checkpoint the database periodically Stop accepting new transactions Wait until all current transactions complete Flush log to disk

215 views • 21 slides

ICS 214A: Database Management Systems Fall 2002

ICS 214A: Database Management Systems Fall 2002. Lecture 18: Redo/Undo Logging and Media Failure Professor Chen Li. Motivation. Undo logging: cannot bring backup DB copies up to date Redo logging: need to keep all modified blocks in memory until commit Solution: undo/redo logging

322 views • 20 slides

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

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

94 views • 8 slides

Preface 1 Performance Tuning Methodology: A Review Course Structure 1-2 Lesson Objective 1-3

Contents. Preface 1 Performance Tuning Methodology: A Review Course Structure 1-2 Lesson Objective 1-3 Concepts 1-4 Determining the Worst Bottleneck 1-5 Understanding Workload Characteristics 1-6 A Simple Methodology 1-7 State the Problem 1-9 Find the Problem Stack 1-15

174 views • 6 slides