performance tuning your system
Accessing Your System 2
Ngày tải lên :
02/10/2013, 09:20
... either your login name or your password, you will be required to reenter both pieces of information Changing Your Password Changing your password frequently helps prevent unauthorized access to your ... steps: Obtain a user name and password from your instructor Log in to the system Change the password to mypass1 Log out of the system Log back in to the system with the new password, then log back ... the NIS+ cred table Exercise: Accessing Your System Exercise objective – In this exercise, you will practice logging in on the command line, changing your password, logging out, and other basic...
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OCP: Oracle8i DBA Performance Tuning and Network Administration Study Guide
Ngày tải lên :
18/10/2013, 18:15
... information C Without tuning benchmarks it is very difficult to determine what effects your tuning efforts are having on the system Rather than just subjectively noticing that “the system runs faster,” ... architecture Part One: OCP: Oracle8i Performance Tuning Chapter starts with an overview of the Oracle Tuning Methodology and how it is used to perform effective database tuning Chapter discusses the ... to establish tuning benchmarks for all of the following reasons except: A Without benchmarks it is hard to track your tuning progress B Benchmarks help you determine when to stop tuning one area...
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OCP Performance Tuning P2
Ngày tải lên :
19/10/2013, 11:15
... at your convenience 15-4 Enterprise DBA Part 2: Performance Tuning Workshop Types of Tuning Types of Tuning Types of Tuning • Routine tuning • Focused tuning ... create the new database tuning session 15-8 Enterprise DBA Part 2: Performance Tuning Workshop Tuning Session Scope Tuning Session Scope Tuning Session Scope ... automated performance tuning with integrated rules The Oracle Expert tuning methodology involves the following steps: Setting the scope of the tuning session: Set the scope of the tuning session...
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Dive Into Python-Chapter 18. Performance Tuning
Ngày tải lên :
28/10/2013, 16:15
... and for not much performance gain Is that worth it? I hope you have good comments Performance isn't everything Your optimization efforts must always be balanced against threats to your program's ... maintainability 18.7 Summary This chapter has illustrated several important aspects of performance tuning in Python, and performance tuning in general * If you need to choose between regular expressions and ... documentation, or playing with your kids, or writing unit tests Oh yes, unit tests It should go without saying that you need a complete set of unit tests before you begin performance tuning The last thing...
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Tài liệu Apress - SQL Server 2008 Query Performance Tuning Distilled (2009)02 ppt
Ngày tải lên :
17/12/2013, 02:15
... A NA L YS IS , , or , , in your top ten Hardware Resource Bottlenecks performance is affected by stress on the following hardware resources: limit on overall system performance Identifying Bottlenecks ... an issue only when paging in case of high object is the system component that provides performance data for the processes running on the system, which are individually represented by their corresponding ... setting perfor- Table 2-1 Performance Monitor Counters to Analyze Memory Pressure Object(Instance[,InstanceN]) Counter Description physical memory Rate of hard page faults Values System dependent Average...
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Tài liệu Apress - SQL Server 2008 Query Performance Tuning Distilled (2009)01 pptx
Ngày tải lên :
17/12/2013, 02:15
... Enough” Tuning Instead of tuning a system to the theoretical maximum performance, the goal should be to tune until the system performance is “good enough.” This is a commonly adopted performancetuning ... Performance- Tuning Process The performance- tuning process consists of identifying performance bottlenecks, troubleshooting their causes, applying different resolutions, and then quantifying performance ... Query Performance Tuning Q uery performance tuning is an important part of today’s database applications Often you can achieve large savings in both time and money with proper query performance tuning...
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Tài liệu Digital Press Oracle Performance Tuning for 10gR2 2nd Edition Sep 2006 pdf
Ngày tải lên :
24/01/2014, 04:20
... Automated SQL Tuning Part III: Physical and Configuration Tuning 14 15 16 17 18 19 Tuning Oracle Database File Structures Object Tuning Low-Level Physical Tuning Hardware Resource Usage Tuning Tuning ... 881 Preface This book is about tuning Oracle databases Three areas of Oracle Database tuning are data model tuning, SQL code tuning, and physical and configuration tuning The author began his career ... destroy performance What are the benefits of SQL code tuning? SQL code tuning can increase performance between 25% and 100%, sometimes much more In rare situations, I have seen enormous performance...
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Tài liệu McGraw.Hill.Oracle.Database.10g.Performance.Tuning.Tips.and.Techniques.Jul.2007 doc
Ngày tải lên :
24/01/2014, 04:20
... Oracle Database 10g Performance Tuning Tips & Techniques Setting DB_BLOCK_SIZE to Reflect the Size of Your Data Reads Tuning the SHARED_POOL_SIZE for Optimal Performance ... Spatial ORDSYS SYSTEM Workspace Manager WMSYS SYSTEM Data Mining DMSYS ODM EM Repository SYSMAN OEM_REPOSITORY LogMiner SYSTEM SYSTEM StatsPack PERFSTAT User Specified Job Scheduler SYS SYSTEM TABLE ... books (or your SGA in 2007) ■ 100G ■ 1T One meter of shelved books A floor of academic journals (or your new laptop hard drive in 2007) 1000G xxvii xxviii Oracle Database 10g Performance Tuning...
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Tài liệu Oracle Performance Tuning and Optimization pptx
Ngày tải lên :
24/01/2014, 04:20
... Server Performance? 91 Oracle Instance Tuning 97 Performance Enhancements 139 Tuning the Server Operating System 167 Operating System- Specific Tuning 177 System ... 84 Performance Tuning after the System Is Built 84 Tuning the Client 85 Tuning the Server 85 Tuning the Network 85 Summary 86 Tuning the ... Oracle Performance Tuning & Optimization PART V Tuning the Client 513 33 34 35 36 PART VI 37 38 PART VII A B C D E F iv What Affects Client Performance? 515 Tuning the Client System ...
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Tài liệu Oracle Database Performance Tuning Guide doc
Ngày tải lên :
24/01/2014, 08:20
... Performance? xxvii Oracle Database 10g Release (10.1) New and Updated Features for Performance Tuning Part I xxviii Performance Tuning Performance Tuning Overview Introduction to Performance ... Part I, "Performance Tuning" This part of the book provides an introduction and overview of performance tuning Chapter 1, "Performance Tuning Overview" An introduction to performance tuning Part ... xxxii Part I Performance Tuning Part I provides an introduction and overview of performance tuning The chapter in this part is: s Chapter 1, "Performance Tuning Overview" Performance Tuning Overview...
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Tài liệu Practical mod_perl-CHAPTER 9:Essential Tools for Performance Tuning pptx
Ngày tải lên :
26/01/2014, 07:20
... benchmarking your Apache HTTP server It is designed to give you an idea of the performance that your current Apache installation can give In particular, it shows you how many requests per second your ... of performance tuning is to make sure that your applications don’t use too much memory If they do, you cannot run many servers, and therefore in most cases, under a heavy load the overall performance ... the GTop module, allows you to watch all your system information using your favorite browser, from anywhere in the world, without the need to telnet to your machine If you are wondering what information...
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Tài liệu SQL Server 2012 Query Performance Tuning pptx
Ngày tải lên :
12/02/2014, 12:20
... CHAPTER ■ SQL Query Performance Tuning “Good Enough” Tuning Instead of tuning a system to the theoretical maximum performance, the goal should be to tune until the system performance is “good ... the following topics: • The performance tuning process • Performance vs price • The performance baseline • Where to focus efforts in tuning • The top 13 SQL Server performance killers What I don’t ... steps until your required performance level is reached To assist in this process, you should create a system baseline to compare with your modifications Throughout the performance tuning process,...
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Tài liệu Performance-Based Management Systems Effective Implementation and Maintenance docx
Ngày tải lên :
15/02/2014, 20:20
... develop systematic performance measurement systems, suggesting that: NN Performance measurement is one of the primary vehicles by which organizations can assess their effectiveness NN Performance ... highlighted the importance of performance measurement and its centrality to performance- based management Figure 1.1 depicted performance- based management as a system in which performance measurement ... 26 Performance- Based Management Systems pay attention to before developing and implementing a performance measurement system Grizzle (1982) argued that developing a comprehensive performance...
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Tài liệu Professional SQL Server 2005 Performance Tuning doc
Ngày tải lên :
16/02/2014, 13:20
... Chapter 1: Performance Tuning Art or Science? The Science of Performance Tuning The Problem Statement The Plan of Attack Data Collection Data Analysis 6 Performance Tuning Applied Example — Your Application ... Resources with System Monitor 15 Why Might I Need System Monitor? When Should I Use System Monitor? Performance Monitor Overview Getting Started with System Monitor 15 16 16 18 Performance Logs ... Your Storage? 409 Performance Testing, Stress Testing, and Real-Life Performance 409 Performance Testing Stress Testing Real-Life Performance Putting It All Together 410 410 410 411 Storage Performance...
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Tài liệu Oracle Performance Tuning for 10gR2, Second Edition pptx
Ngày tải lên :
17/02/2014, 15:20
... Server Performance? 91 Oracle Instance Tuning 97 Performance Enhancements 139 Tuning the Server Operating System 167 Operating System- Specific Tuning 177 System ... 84 Performance Tuning after the System Is Built 84 Tuning the Client 85 Tuning the Server 85 Tuning the Network 85 Summary 86 Tuning the ... Oracle Performance Tuning & Optimization PART V Tuning the Client 513 33 34 35 36 PART VI 37 38 PART VII A B C D E F iv What Affects Client Performance? 515 Tuning the Client System ...
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Tài liệu Oracle® Database 2 Day + Performance Tuning Guide pdf
Ngày tải lên :
20/02/2014, 05:21
... Viewing SQL Tuning Information 10 Tuning SQL Statements Tuning SQL Statements Using the SQL Tuning Advisor Managing SQL Tuning Sets Creating a SQL Tuning Set ... Preparing the Database for Tuning Tuning the Database Proactively Tuning the Database Reactively Tuning SQL Statements Common Performance Problems ... performance of your Oracle database Tuning a database to reach a desirable performance level may be a daunting task, especially for DBAs who are new to Oracle Database Oracle Database Day + Performance...
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Oracle9i Database Performance Tuning Guide and Reference Release 2 (9.2) pot
Ngày tải lên :
07/03/2014, 23:20
... Operating System Resource Managers Solving Operating System Problems Performance Hints on UNIX-Based Systems Performance Hints on NT Systems Performance ... Instance Performance Instance Tuning Performance Tuning Principles 22-2 Baselines 22-2 The Symptoms and the Problems 22-3 When to Tune 22-4 Performance ... writing and tuning SQL properly, using performance tools, and optimizing instance performance It also explains how to create an initial database for good performance and includes performance- related...
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Oracle® Database 2 Day + Performance Tuning Guide pdf
Ngày tải lên :
17/03/2014, 00:20
... the Tuning History 9-9 10 Tuning SQL Statements Tuning SQL Statements Using SQL Tuning Advisor Tuning SQL Manually Using SQL Tuning Advisor Viewing Automatic SQL Tuning ... SQL tuning and other system changes by using SQL Performance Analyzer Oracle Database Performance Method 2-7 Common Performance Problems Found in Oracle Databases To learn how to use SQL Performance ... Managing SQL Tuning Sets Creating a SQL Tuning Set Creating a SQL Tuning Set: Options Creating a SQL Tuning Set: Load Method Creating a SQL Tuning Set:...
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