Citrix_CPS负载管理.pdf

Load Manager Administrator’s Guide Load Manager for Citrix Presentation Server™ Citrix Presentation Server™ 4.5 for Windows with Feature Pack 1 Use of the product documented in this guide is subject to your prior acceptance of the End User License Agreement. Copies of the End User License Agreement are included in the root directory of the Citrix Presentation Server CD-ROM and in the root directory of the Components CD-ROM. Information in this document is subject to change without notice. Companies, names, and data used in examples herein are fictitious unless otherwise noted. Other than printing one copy for personal use, no part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose, without the express written permission of Citrix Systems, Inc. © 2002-2007 Citrix Systems, Inc. All rights reserved. Citrix, Citrix Presentation Server, Citrix Access Suite, ICA (Independent Computing Architecture), Program Neighborhood, MetaFrame, and MetaFrame XP are registered trademarks or trademarks of Citrix Systems, Inc. in the U.S.A. and other countries. Adobe, Reader, and PostScript are registered trademarks or trademarks of Adobe Systems Incorporated in the U.S. and/or other countries. Microsoft, MS, MS-DOS, Windows, Windows NT and Windows 2000 Server are registered trademarks or trademarks of Microsoft Corporation in the U.S.A. and other countries. This product includes software developed by The Apache Software Foundation (http://www.apache.org/). Last Updated: June 25, 2007 (AH) CONTENTS Contents Chapter 1Welcome How Does Load Manager Enhance Citrix Presentation Server?. . . . . . . . . . . . . . . .6 Using Load Manager in a Mixed Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Citrix Presentation Server 4.0 and 4.5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 MetaFrame Presentation Server 3.0 or Earlier . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Load Manager Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Calculating Loads. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 Load Evaluators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 How Load Manager Balances Loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Accessing Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Chapter 2Using Load Manager Load Manager Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 Licensing Load Manager. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 Working with Load Evaluators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 Creating New Load Evaluators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 Attaching Load Evaluators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 Updating Load Evaluator Properties. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17 Copying and Deleting Load Evaluators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17 Using Load Manager Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18 Monitoring Server Loads. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 Using the Load Manager Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 Setting the Frequency of Information Updates. . . . . . . . . . . . . . . . . . . . . . . . . .20 Viewing Usage Reports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 Uninstalling Load Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 4Load Manager Administrator’s Guide CHAPTER 1 Welcome Load Manager is a component of Citrix Presentation Server. With Load Manager, you can optimize server resources throughout your server farm. To accommodate routine application and database maintenance, you can use Load Manager to schedule the availability of published applications on your servers. Load Manager provides: •Maximized system efficiency. Load Manager balances published application loads across your server farm based on server or published application load limits set in load evaluators. This feature allows more efficient data flow in your server farm environment. •Citrix default load evaluators. Load Manager includes two load evaluators that work well in most server farm en。