Citrix XenApp Performance Essentials电子书

Citrix XenApp Performance Essentials

Table of Contents

Citrix XenApp Performance Essentials

Credits

About the Author

About the Reviewer

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Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Errata

Piracy

Questions

1. Designing a Scalable XenApp Infrastructure

XenApp infrastructure

Virtual versus physical servers

Sizing controllers

Data store

Data collector

XML Broker

License server

Web Interface

Sizing session hosts

Application delivery methods

Installed on the server

Streamed to server

Streamed to desktop

Dual mode delivery

Applications on servers – siloed versus nonsiloed

Siloed

Nonsiloed

Provisioning Services

Provisioning Services infrastructure

Infrastructure hierarchy

Sites

Views

Stores

vDisks

Cache on device hard drive

Cache in device RAM

Cache on a server

Cache on a server persistent

The boot process

Using PVS with XenApp

Performing load tests with EdgeSight for Load Testing

Session-host server requirements

Ending sessions automatically

User session limit

Web Interface server requirements

Installation

License server

Your first script

Connecting to the farm

Managing users

Adding a load

Recording instructions

Running a test

Summary

2. Monitoring and Improving Server Performances

Health Monitoring & Recovery

Standard tests

Recovery actions

Configuring Health Monitoring & Recovery

Custom tests

Using Citrix performance monitoring counters

Citrix CPU Utilization Mgmt User

Citrix IMA Networking

Citrix Licensing

Citrix MetaFrame Presentation Server

ICA Session

Secure Ticket Authority (STA)

XenApp on a virtual infrastructure

PowerShell SDK

CPU Utilization Management

Enabling CPU Utilization Management

Shares and reservations

Windows Dynamic Fair Share Scheduling

High CPU load on datastore

Memory optimization

DLL collisions

DLL rebasing and binding

Configuring Memory optimization

Excluding applications

Troubleshooting

OS optimization

All the servers

Paging system components

Power saving

Worker threads

Page file

Provisioned servers

System restore

Background defragmentation and layout service

Antivirus

Worker groups

Creating a worker group

Publishing applications

Load-balancing policies

Load evaluators

Load rules

Default load evaluator

Creating and assigning a load evaluator

Analyzing load evaluators

Preferential Load Balancing

Enabling Preferential Load Balancing

Testing load balancing

Summary

3. Optimizing Session Startup

The logon process

Resolution

Connection

Remote Desktop Services (RDS) license

AD authentication

Citrix license

Session startup

Analysing the logon process

Citrix EdgeSight

Windows Performance Toolkit

Common causes of logon delays

Authentication issues

Profile issues

Folder redirection

Background upload

Citrix Profile Management

Features

Configuring

Troubleshooting

GPO and logon script issues

Session pre-launch, sharing, and lingering

Session pre-launch

Configuring

Life cycle of a session

Session sharing

Session lingering

Configuring

Summary

4. Improving End User Experience

Optimizing Windows GUI

Windows settings

Menu show delay

Internet Explorer offscreen composition

Screensaver

Auto end tasks

Citrix settings

Desktop UI – user policy

Graphics – computer policy

Visual Display – computer policy

Citrix HDX

HDX MediaStream

Flash redirection

Windows Media redirection

HDX RealTime

Generic HDX RealTime

Optimized HDX RealTime

HDX RichGraphics

OpenGL

GPU offloading in a virtual environment

HDX Monitor

Summary

5. Optimizing for WAN Links

Characteristics of a WAN link

Emulating links with WANem

Installing

Configuring

Using

WANalyzer

Optimizing the ICA protocol

ICA Virtual Channels

Virtual Channel Priorities

ICA MultiStream

Enabling ICA MultiStream

Traffic shaping

SpeedScreen latency reduction

Mouse Click Feedback

Local Text Echo

Adding applications

Configuring applications

Configuring input fields

Summary

Index