performance tuning and optimization

... selection and network configuration to database design and application development xxv Oracle Performance Tuning & Optimization Part II, Tuning the Server,” focuses on tuning the RDBMS server The performance ... and Chained Rows 117 Dynamic Extensions 118 vii Oracle Performance Tuning & Optimization and PCTUSED Command Options 119 A Review of I/O Reduction Techniques 122 Tuning ... Design and Tuning Hints 378 xiii Oracle Performance Tuning & Optimization Part IV 24 25 26 xiv TextServer 3.0 Systems 379 System Characteristics 379 Design and Tuning...

Ngày tải lên: 24/01/2014, 04:20

... Oracle8i Performance and Tuning and OCP: Oracle8i Network Administration exams The first part of the book covers the most critical areas of database performance tuning and how to follow and implement ... Guide 1Z0024 Oracle8i: Performance and Tuning 57 38 67% OCP: Oracle8i™ DBA Performance Tuning and Network Administration Study Guide 1Z0025 Oracle8i: Backup and Recovery 60 34 57% OCP: Oracle8i™ ... resources Understanding of backup and recovery options Archiving redo log files and hot backups Using Recovery Manager (RMAN) to perform backup and recovery operations Creating and managing Standby database...

Ngày tải lên: 18/10/2013, 18:15

... Oracle performance by 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 ... 23 Tuning Networks Understanding Connection Models Detecting Network Problems Using Dynamic Performance Views for Network Performance Understanding Latency and Bandwidth ... Instance Performance Instance Tuning Performance Tuning Principles Baselines The Symptoms and the Problems When to Tune Performance Tuning...

Ngày tải lên: 29/04/2014, 15:32

... Enterprise Networks Part III Performance and Optimization of VoIP Networks Chapter Managing VoIP Networks Chapter Performance Analysis and Fault Isolation Chapter Trend Analysis and Optimization Part IV ... ii VoIP Performance Management and Optimization VoIP Performance Management and Optimization Adeel Ahmed, Habib Madani, Talal Siddiqui Copyright© ... and Optimization Performance Analysis for an SIP Network 217 Performance Tracking for a Session Border Controller (SBC) 218 Performance Information Through the Call Detail Records (CDR) 219 Performance...

Ngày tải lên: 03/07/2015, 10:22

... teacher of Oracle, and world-class performance tuning and optimization professional We remember Mark Beaton (August 2006), the enthusiastic xxxv xxxvi Oracle Database 10g Performance Tuning Tips & ... Grand Unified Theory ■ Chapter 9: Updated and tested for 10gR2; added block tuning and Relational vs Object ■ Chapter 10: Expanded again as PL/SQL tuning expands; added 10gR2 debugging ■ Chapter ... 6: Updated Explain and added sections on DBMS_MONITOR and TRCSESS ■ Chapter 7: Added new hints and updated others ■ Chapter 8: Updated and tested for 10gR2; added SQL and Grand Unified Theory...

Ngày tải lên: 24/01/2014, 04:20

... by 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 ... 23 Tuning Networks Understanding Connection Models Detecting Network Problems Using Dynamic Performance Views for Network Performance Understanding Latency and Bandwidth ... Using SQL Trace and TKPROF Understanding SQL Trace and TKPROF Understanding the SQL Trace Facility Understanding TKPROF Using the SQL Trace Facility and TKPROF ...

Ngày tải lên: 07/03/2014, 23:20

... results: Y1 stands for the number of edge points at OREC ASIC output, Y2 is the average length of linked edge points at OPNI ASIC output, and Y3 and Y4 (resp., Y5 and Y6 ) are the number and average ... steps devoted to statistical modeling, numerical optimization, and learning, the IPC is toggled into an operational mode, and the image processing tuning parameters are continuously adapted to the ... sequence of over 30 000 city and motorway frames A statistical model has been deduced and validated by measuring R-Square and Mallow C(p) indicator (Table 3) High R-Square and low C(p) indicate that...

Ngày tải lên: 22/06/2014, 23:20

... from the logical query plan and it makes use of different operators From the optimization point of view, it is the most important part of the trace to read and understand and, as you will see, it ... knowledge of the xVelocity engine internals and the ability to correctly read and interpret a DAX query plan In this paper we focus on very basic optimizations and we will guide you through the following ... Graupman and all our ssas-insiders friends I would also like to give a special thanks to T.K Anand, Marius Dumitru, Cristian Petculescu, Jeffrey Wang, Ashvini Sharma, and Akshai Mirchandani who...

Ngày tải lên: 07/08/2015, 11:33

... (1) where mn, µn, and krn are the mobility, viscosity, and relative permeability of the non-wetting phase (CO2) respectively and mw, µw, and krw are the mobility, viscosity, and relative permeability ... plume migration (Zhang and Agarwal, 2012) It is designated as GA-TOUGH2, and has been validated by conducting several benchmark studies [3, 4] In this paper, we consider the optimization of two ... pressure response and its management) In addition, the storage efficiency of an aquifer is also dependent on various injection strategies and parameters associated with them; the optimization of...

Ngày tải lên: 05/09/2013, 16:10

... Utilities and Dynamic Performance Views Objectives 4-2 Views, Utilities, and Tools 4-3 Dictionary and Special Views 4-5 Dynamic Troubleshooting and Performance Views 4-6 Topics for Troubleshooting and ... Enterprise DBA Part 2: Performance Tuning Workshop Types of Tuning Types of Tuning Types of Tuning • Routine tuning • Focused tuning • What-If tuning Copyright © Oracle Corporation, ... Enterprise DBA Part 2: Performance Tuning Workshop Overview Overview Overview of Oracle Expert Tuning Methodology Specify tuning scope Collect data View and edit data and rules Analyze...

Ngày tải lên: 19/10/2013, 11:15

... your program's readability and maintainability 18.7 Summary This chapter has illustrated several important aspects of performance tuning in Python, and performance tuning in general * If you ... a single letter and then padded with zeros Pilgrim is a normal case, of average length and a mixture of significant and ignored letters Flingjingwaller is extraordinarily long and contains consecutive ... is also significantly less readable, 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...

Ngày tải lên: 28/10/2013, 16:15

... too complicated Rapid growth, merger and acquisition, and increased demand for high-bandwidth services led to network-on-top-of-network, creating inefficiency and inflexibility Now, many network ... hands-on understanding of simple to complex network environments PLANNING SERVICES • Program and Project Management • Network and Inventory Audit • Engineering DEPLOYMENT SERVICES • Program and ... approach uncovers and details network architectures, legacy records, processes and databases that have an immediate and direct effect on the success of a carrier’s operations ADC Network and Inventory...

Ngày tải lên: 10/12/2013, 18:15

... management of broadband services and network performance ADC’s comprehensive portfolio of products and services helps our customers increase revenue, lower operational costs, and drive broadband growth ... for internal and external project-related communication • A true understanding of your business and your requirements, and the proven ability to implement a comprehensive, cohesive and tailored ... Installation Services • Commissioning and Integration • Provisioning • Decommissioning and Removals Maintenance Services • Program and Project Management • Service Call Center and Dispatch • Technical Assistance...

Ngày tải lên: 10/12/2013, 18:15

... the curvature of the optimization terrain and should help in finding a better direction for the next step in the iteration than just plain gradient descent 66 GRADIENTS AND OPTIMIZATION METHODS ... mean and covariance matrix w 1 : Apply the stochastic on-line learning rule (3.37), choosing a random initial point and an appropriate learning rate Try different choices for the learning rate and ... rate can and should in fact be time dependent Yet a third very convenient way to write such update rules, in conformity with programming languages, is w w w @ J (w) @ w 64 GRADIENTS AND OPTIMIZATION...

Ngày tải lên: 13/12/2013, 14:15

... Resource Bottlenecks performance is affected by stress on the following hardware resources: limit on overall system performance Identifying Bottlenecks Note The most common performance problem ... requirements for data and memory pool consists of a collection of 8KB buffers to manage data pages and plan cache pages, free pages, You can - Figure 2-3 SQL Server memory configuration and CHAPTER S ... memory dynamically, as needed , serves as a ceiling value to limit the diately and not require a restart where will be and memory of the system, assuming a single instance on the machine You should...

Ngày tải lên: 17/12/2013, 02:15

... 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 ... Performance- Tuning Process The performance- tuning process consists of identifying performance bottlenecks, troubleshooting their causes, applying different resolutions, and then quantifying performance ... server) and then work toward them CHAPTER SQL QUERY PERFORMANCE TUNING The performance of a SQL Server application is highly dependent on the amount and workload and data change over time, and differing...

Ngày tải lên: 17/12/2013, 02:15

... efficient and comprehensive way of improving performance of search and reducing the impact of indexing on the system Both search queries and data indexing are faster with Windows Search 4.0, and indexing ... computer’s performance Check Performance with Task Manager Task Manager provides information about applications and processes that are currently running on a computer, and also provides real-time performance ... effects, you can right click your desktop and click Personalize In the Personalize appearance and sounds window, click Windows Color and Appearance and chose a theme Make sure the Enable transparency...

Ngày tải lên: 17/12/2013, 13:15

... computer software and shall be deemed to be Restricted Rights softĆ ware under Federal law, and as set forth in subparagraph (c) (1) (ii) of DFARS 252.227Ć7013, Rights in Technical Data and Computer ... Department of Defense, then it is delivered with Restricted Rights and the folĆ lowing legend is applicable: Technical Contributors and Reviewers Shena Deuchars Gary Hallmark Jim Di Ianni Sue Jang ... Oracle Corporation; it is provided under a license agreement containing restrictions on use and discloĆ sure and is also protected by copyright law Reverse engineering of the software is prohibited...

Ngày tải lên: 17/01/2014, 09:20

... aggregation options and further discussion of the contents of aggregations and design guidelines The module concludes with a review of usage-based optimization and general optimization tuning techniques ... Storage and Optimization 35 Lab B: Implementing Usage-Based Optimization Topic Objective To perform usage-based optimization Lead-in In this lab, you will design and optimize storage and create ... Usage-Based Optimization ! Optimization Tuning List the three storage modes in order of fastest query performance to slowest Relate the architecture of each to query performance MOLAP, HOLAP, and ROLAP,...

Ngày tải lên: 18/01/2014, 05:20

... 17 18 19 Tuning Oracle Database File Structures Object Tuning Low-Level Physical Tuning Hardware Resource Usage Tuning Tuning Network Usage Oracle Partitioning and Parallelism Part IV: Tuning Everything ... 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 ... tuning How Is This Book Organized? This book is broken into four parts: relational data model tuning in Part I, SQL code tuning in Part II, physical and configuration tuning in Part III, and tuning...

Ngày tải lên: 24/01/2014, 04:20