sybase performance and tuning guide volume 2

Enterprise DBA Part 2: Performance and Tuning Volume 1 • Student Guide pdf

... Locking Activity 12- 20TopSessions (Diagnostic Pack) 12- 22 Guidelines: Resolve Contention 12- 24Deadlocks 12- 26Summary 12- 29Quick Reference 12- 30Lesson 13: SQL Issues and Tuning Considerations ... IntroductionObjectives 1 -2 Lesson 2: Tuning OverviewObjectives 2- 2System Tuning Overview 2- 3 Tuning Goals 2- 5 Tuning Steps 2- 7Summary 2- 8Lesson 3: Oracle Alert and Trace FilesObjectives 3 -2 Diagnostic ... Section 4 -21 I/O Statistics Section 4 -22 Latches 4 -23 1Course Introduction Enterprise DBA Part 2: Performance Tuning Workshop 2- 5 Tuning Goals Tuning GoalsMeasurable Tuning GoalsWhen tuning...

Analog and Interface Guide – Volume 1 pot

Danh mục: Điện - Điện tử

... pATC913 1.5 MHz 2. 5 4.5V (VDD = 6.5V) 90 pA (max)MCP 627 1 /2/ 3/4 2 MHz 0.9 -0.3V to 5.3V 1 pAMCP601 /2/ 3/4 2. 8 MHz 2. 3 -0.3V to 3.8V 1 pAMCP 628 1 /2/ 3/4 5 MHz 2. 5 -0.3V to 5.3V 1 pAMCP6 021 /2/ 3/4 10 ... TaipeiTel: 886 -2- 2500-6610Thailand - BangkokTel: 66 -2- 694-1351EUROPEAustria - WeisTel: 43- 724 2 -22 44-399Denmark - CopenhagenTel: 45-4450 -28 28France - ParisTel: 33-1-69-53-63 -20 Germany - ... 86-5 32- 85 02- 7355China - ShanghaiTel: 86 -21 -5407-5533China - ShenyangTel: 86 -24 -23 34 -28 29China - ShenzhenTel: 86-755- 820 3 -26 60China - ShundeTel: 86-757 -28 39-5507China - WuhanTel: 86 -27 -5980-5300China...

Enterprise DBA Part 2: Performance and Tuning doc

Danh mục: Cơ sở dữ liệu

... 8-19 Tuning Checkpoint 8 -22 Checkpoint Tuning Guidelines 8 -23 Multiple I/O Slaves 8 -25 iv Enterprise DBA Part 2: Performance Tuning Workshop ContentsLatch Types 4 -25 Oracle Wait Events 4 -26 Statistics ... DegreeDAY 1 SYS_GROUP 100% 20 2 OLTP 100% 0 3 DSS 100% 20 NIGHT 1 SYS_GROUP 100% 20 2 OLTP 25 % 0 2 DSS 75% 20 3 OLTP 100% 0 14-10 Enterprise DBA Part 2: Performance Tuning Workshop Lesson ... Expert 15-7 Tuning Session Scope 15-9Data Collection 15- 12 Collected Data 15 -21 Attributes 15 -22 Rules 15 -24 Analysis 15 -26 Recommendations 15 -27 Reports 15 -28 Implementation 15- 32 Summary 15-33Lesson...

Analog and InterfaceAnalog and Interface Guide – Volume 1 phần 1 pps

Danh mục: Điện - Điện tử

... this grounding scheme is that the analog devices (MCP 320 2, 12- bit A/D converter and MCP4 125 , 2. 5V voltage reference) are at the far right hand side of the board. This placement ensures that digital ... diagram for layouts in Figures 1, 2, 4 and 5. This is the circuit diagram from Microchips MXDEVđ evaluation board for the 10- and 12- bit ADCs (MCP300X and MCP 320 X).Figure 3b: Analog section ... diagram for layouts in Figures 1, 2, 4 and 5. This is the circuit diagram from Microchips MXDEVđ evaluation board for the 10- and 12- bit ADCs (MCP300X and MCP 320 X). Figure 4: Top layer of a...

Analog and InterfaceAnalog and Interface Guide – Volume 1 phần 2 pot

Danh mục: Điện - Điện tử

... at least two ground connects: AGND and DGND. The converters illustrated here are the MCP 320 1 and MCP3008 from Microchip. 12 Analog and Interface Guide – Volume 1An Intuitive Approach to Mixed ... data from the 320 1, 12- bit A/D converter produces an interesting periodic signal. This signal source was traced back to the power supply. 16 Analog and Interface Guide – Volume 1An Intuitive ... amplifier (A1 and A2). Following the instrumentation amplifier a low pass filter (A3) is inserted to eliminate aliased noise from the 12- bit A/D converter conversion. Figure 2: The time domain...

Analog and InterfaceAnalog and Interface Guide – Volume 1 phần 3 potx

Danh mục: Điện - Điện tử

... pATC913 1.5 MHz 2. 5 4.5V (VDD = 6.5V) 90 pA (max)MCP 627 1 /2/ 3/4 2 MHz 0.9 -0.3V to 5.3V 1 pAMCP601 /2/ 3/4 2. 8 MHz 2. 3 -0.3V to 3.8V 1 pAMCP 628 1 /2/ 3/4 5 MHz 2. 5 -0.3V to 5.3V 1 pAMCP6 021 /2/ 3/4 10 ... trace. 27 Analog and Interface Guide – Volume 1Analog Design NotesNotes: 19Analog and Interface Guide – Volume 1Analog Design NotesProjectors, large power supplies, datacom switches and routers, ... voltage that is applied to the fan. 22 Analog and Interface Guide – Volume 1Analog Design NotesThe MCP6S2X is a PGA family that uses a precision, wide bandwidth internal amplifier. This precision...

Analog and InterfaceAnalog and Interface Guide – Volume 1 phần 4 ppsx

Danh mục: Điện - Điện tử

microsoft sql server analysis services multidimensional performance and operations guide

Danh mục: Tin học văn phòng

Oracle9i Database Performance Tuning Guide and Reference Release 2 (9.2) pot

Danh mục: Cơ sở dữ liệu

... Instance Performance 22 Instance Tuning Performance Tuning Principles 22 -2 Baselines 22 -2 The Symptoms and the Problems 22 -3When to Tune 22 -4 Performance Tuning Steps 22 -5Define the Problem 22 -6Examine ... Events and Potential Causes 22 -19Additional Statistics 22 -20 Wait Events 22 -24 SQL*Net 22 -25 buffer busy waits 22 -27 db file scattered read 22 -29 db file sequential read 22 -31direct path read and ... 22 -33direct path write 22 -35enqueue 22 -36free buffer waits 22 -39latch free 22 -41log buffer space 22 -46log file switch 22 -46log file sync 22 -48rdbms ipc reply 22 -48Idle Wait Events 22 -49...

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Measuring and Tuning Performance

Danh mục: Kỹ thuật lập trình

... latency.Table 3-1. Page Size and Response TimeAccess Type Throughput 2KB 10KB 20 KB 50KB 100KB 1MB 28 .8K 28 800 0.6 2. 8 5.7 14 .2 28.4 29 1.356K 57600 0.3 1.4 2. 8 7.1 14 .2 145.6DSL 640000 0.0 0.1 ... operations).Table 3 -2. User Profile DataUser Transaction Page Hits Hit Ratio % OperationsHome page 58 ,28 5 22 . 82 2.5Search (good) 36,641 14.35 1.6Search (bad) 2, 599 1. 02 0.1Add item 4,4 82 1.76 0 .2 Add ... 36.61 4.0 0.0061 02 58.50 0.3570Login 1.73 0 .2 0.00 028 8 25 1.69 0.0 726 Register 1.06 0.1 0.000176 62. 39 0.0110Zip code 15.96 1.8 0.0 026 61 70.10 0.1865View cart 2. 53 0.3 0.000 421 84.50 0.0356Totals...

Maximum performance a practical guide to leading and managing people at work

Danh mục: Chuyên ngành kinh tế

... leaders 22 47 Managing power, politics and conflict 27 68 Leading organizational and cultural change 29 89 Innovation and organizational learning 34710 Managing employee knowledge and intellectual ... process 1714 .2 Semco: tore up the rulebook in the 1980s 1965.1 Team rules 22 06.1 Confidence in women 24 47.1 The two faces of power and politics 28 09.1 Linear and lateral thinking 3 52 10.1 Knowledge ... Out with the old and in with the new 454 12. 1 Perceptions of occupations’ ethical standards 507 12. 2 Top five performing ethical investment trusts in Australia, 20 01 2 508 12. 3 Transparency...

Tài liệu Oracle Database Performance Tuning Guide doc

Danh mục: Cơ sở dữ liệu

... Development 2- 21Workload Testing, Modeling, and Implementation 2- 22 Sizing Data 2- 22 Estimating Workloads 2- 23Application Modeling 2- 24Testing, Debugging, and Validating a Design 2- 24Deploying ... ivPart II Performance Planning 2 Designing and Developing for Performance Oracle Methodology 2- 2Understanding Investment Options 2- 2Understanding Scalability 2- 3What is Scalability? 2- 3System ... Tuning Features and Tools Oracleđ Database Performance Tuning Guide 10g Release 1 (10.1)Part No. B107 52- 01December 20 03 Introduction to Performance Tuning Features and Tools Performance Tuning...

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Tài liệu Oracle® Database 2 Day + Performance Tuning Guide pdf

Danh mục: Cơ sở dữ liệu

... first examined.The Performance Finding Details page appears. Oracle Database 2 Day + Performance Tuning Guide, 10g Release 2 (10 .2) B28051-03Copyright â 20 06, 20 10, Oracle and/ or its affiliates. ... time and CPU time of all user sessions that are not idle. The goal of tuning the performance of a Oracleđ Database 2 Day + Performance Tuning Guide 10g Release 2 (10 .2) B28051-03April 20 10Easy, ... Tools for Tuning the Database1-4 Oracle Database 2 Day + Performance Tuning Guide Part IGetting StartedPart I provides an introduction to this document and explains the Oracle Database performance...

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Microsoft® SQL ServerTM 2005 Performance Optimization and Tuning Handbook pptx

Danh mục: Cơ sở dữ liệu

... begin? 17 2 Logical Database Design for Performance 19 2. 1 Introducing logical database design for performance 19 2. 2 Commercial normalization techniques 21 2. 2.1 Referential integrity 22 2. 2 .2 Primary ... selection 22 57.4.1 Does a useful index exist? 22 67.4 .2 How selective is the search argument? 22 67.4.3 Key distribution statistics 22 77.4.4 Column statistics 23 37.4.5 Updating index and column ... Optimization? 21 77.1 When is a query optimized? 21 87 .2 The steps in query optimization 21 87.3 Query analysis 21 97.3.1 Search arguments 21 97.3 .2 OR clauses 22 37.3.3 Join clauses 22 47.4 Index...

Oracle® Database 2 Day + Performance Tuning Guide pdf

Danh mục: Cơ sở dữ liệu

... 9-9Viewing the Tuning History 9-910 Tuning SQL Statements Tuning SQL Statements Using SQL Tuning Advisor 10-1 Tuning SQL Manually Using SQL Tuning Advisor 10 -2 Viewing Automatic SQL Tuning Results ... Additional Information. Common Performance Problems Found in Oracle Databases 2- 10 Oracle Database 2 Day + Performance Tuning Guide ■ Measuring the performance before and after the change■ Generating ... Day + Performance Tuning Guide 11g Release 2 (11 .2) E10 822 -01July 20 09 Monitoring User Activity4-4 Oracle Database 2 Day + Performance Tuning Guide ■ "Monitoring Top Actions" on page...

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Oracle® Database Performance Tuning Guide pot

Danh mục: Cơ sở dữ liệu

... Oracle Performance? xxvPart I Performance Tuning 1 Performance Tuning OverviewIntroduction to Performance Tuning 1-1 Performance Planning 1-1Instance Tuning 1-1 Performance Principles 1 -2 Baselines ... 10-19undo header 10-19undo block 10 -20 db file scattered read 10 -20 Oracle Database Performance Tuning Guide, 10g Release 2 (10 .2) B1 421 1-03Copyright © 20 00, 20 08, Oracle. All rights reserved.Primary ... Methodology 2- 1Understanding Investment Options 2- 1Understanding Scalability 2- 2What is Scalability? 2- 2System Scalability 2- 3 xxviThe Automatic Workload Repository (AWR) collects, processes, and...

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microsoft sql server 2000 performance optimization and tuning handbook 2001

Danh mục: Kiến trúc - Xây dựng

... 1-55558 -22 4-9, 1072pp, 20 00 Jerry Cochran, Mission-Critical Microsoftđ Exchange 20 00: Building Highly Available Messaging and Knowledge Management Systems, ISBN 1-55558 -23 3-8, 320 pp, 20 01 Kieran ... extent is shown in Figure 2. 12, and a mixed extent is shown in Figure 2. 13. Figure 2. 12: A uniform extent Figure 2. 13: A mixed extent The reason that SQL Server 20 00 uses mixed extents ... Data Volume Information Table Name # of Rows Row Size Space Needed % Annual Growth Space Needed in 12 Months Accounts 25 ,000 100 2, 500,000 10 2, 750,000Branches 100 20 0 20 ,000 5 21 ,000Customers...