Compaq 117755-003 - ProSignia - 740 Configuration Manual
Configuration and tuning of sybase system 11 for microsoft windows nt on compaq servers
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Summary of Contents for Compaq 117755-003 - ProSignia - 740
- Page 1 Configuration and Tuning of Sybase System 11 for Microsoft Windows NT on Compaq Servers White Paper ________________________________________________________________ Prepared By Database Engineering Compaq Computer Corporation May 1996...
- Page 2 OR USE OF THIS MATERIAL. This publication contains information protected by copyright. No part of this publication may be photocopied or reproduced in any form without prior written consent from Compaq Computer Corporation. The software described in this guide is furnished under a license agreement or non disclosure agreement.
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Page 3: Table Of Contents
Configuration and Tuning of Sybase System 11 for Microsoft Windows NT on Compaq Servers Page i Table of Contents Introduction............................1 Planning and Installation........................1 Domain Controller, Backup Domain Controller or Server............. 1 System Processor Planning ......................2 UniProcessor and MultiProcessor Support from Compaq ............2 Processor Scalability ...................... -
Page 4: Introduction
The purpose of this document is to share the knowledge acquired by Compaq Systems Engineers in the area of configuration and tuning of Sybase SQL Server release 11 on Compaq servers. It is our desire to deliver the best technical information possible on a specific topic in a timely manner and in a highly usable format. -
Page 5: System Processor Planning
Planning Guide. System Processor Planning The objective of this section is to outline the configurations of the Compaq ProLiant Family of Servers and to provide some performance information necessary to determine the best configuration for your environment. As is the case throughout the document, certain level of experimentation and internal performance testing in your own environment can be expected. -
Page 6: Memory Planning
Configuration and Tuning of Sybase System 11 for Microsoft Windows NT on Compaq Servers Page 3 The following chart shows the performance increases when adding additional processor boards to a ProLiant 4500 system. The test was based upon an OLTP test of a parts inventory control database. -
Page 7: Virtual Memory
Disk Subsystem Planning The objective of this section is to provide information on the benefits of the Compaq SMART and SMART-2 SCSI Array Controller Array Accelerator, the pros and cons of various fault tolerance methods, the selection of the file system, and how disk space is consumed by the combination of Sybase and Windows NT system level files. -
Page 8: Fault Tolerance Considerations
Configuration and Tuning of Sybase System 11 for Microsoft Windows NT on Compaq Servers Page 5 There are three main write-intensive operations Sybase SQL Server performs: checkpoints, housekeeper and transaction log writes. During checkpoints, Sybase SQL Server generates a large number of write requests in a short time interval. -
Page 9: Raid-Based Disk Controllers
Page 6 Configuration and Tuning of Sybase System 11 for Microsoft Windows NT on Compaq Servers 1. RAID-based Disk Controllers Hardware RAID is configurable on a logical volume basis . Therefore, the whole logical volume is protected by the appropriate fault tolerance. The capacity reduction depends on the size of the logical volume and the type of fault tolerance configured. -
Page 10: Fat Vs. Ntfs
Configuration and Tuning of Sybase System 11 for Microsoft Windows NT on Compaq Servers Page 7 Reliability and recovery procedures are very similar to those of Windows NT fault tolerance. Your system remains running, but you will have to take the system off-line and upon a failed drive replacement you will have to manually remirror the devices. -
Page 11: Network Planning
Page 8 Configuration and Tuning of Sybase System 11 for Microsoft Windows NT on Compaq Servers Non-bootable partitions to be formatted with FAT file system are limited to 4GB. Non- bootable partitions to be formatted with NTFS file system are typically limited by the physical space. -
Page 12: Multiple Network Protocols
Configuration and Tuning of Sybase System 11 for Microsoft Windows NT on Compaq Servers Page 9 For larger data transfers between the clients and the server, such as BCP loads and unloads, it may be beneficial to increase this packet size to a higher value (2048 bytes and higher). In our testing of an OLTP parts order entry system a TDS packet size of 4096 bytes provided the best throughput. -
Page 13: Unnecessary Services
Page 10 Configuration and Tuning of Sybase System 11 for Microsoft Windows NT on Compaq Servers If the server is dedicated to Sybase SQL Server, change the setting to Best Foreground Application Response Time. If the server is not dedicated to Sybase SQL Server and is being used to run other application programs or printer services then change the setting to Foreground and Background Applications Equally Responsive. -
Page 14: Cpu Performance Monitor Objects And Their Meaning
Configuration and Tuning of Sybase System 11 for Microsoft Windows NT on Compaq Servers Page 11 CPU Performance Monitor Objects and Their Meaning This section provides you with some important Performance Monitor objects that you can monitor to gain insight into the system processor utilization. -
Page 15: Sybase Sql Server Tuning Parameters
Page 12 Configuration and Tuning of Sybase System 11 for Microsoft Windows NT on Compaq Servers Object: Memory Counter: Page Faults/sec This counter monitors total page faults by all running processes. A page fault occurs when a process makes a reference to a virtual memory page that is not in its working set in the memory. -
Page 16: Dbcc Memusage
Configuration and Tuning of Sybase System 11 for Microsoft Windows NT on Compaq Servers Page 13 Dbcc Memusage Dbcc Memusage reports the following very useful information: Sybase SQL Server memory allocation at startup Memory used by 20 largest objects in the data cache... -
Page 17: Diskperf
The Disk Transfers/sec counter monitors the rate of read and write operations on the disk. It is important to realize that if you have a Compaq SMART or SMART-2 SCSI Array controller and several drives allocated to a logical volume, this counter monitors the total number of disk The diskperf option is described in a greater detail in the Microsoft Windows NT Resource Kit. -
Page 18: Sybase Sql Server
Server it is suggested that it be treated in the same manner as a transaction log file. Place the Sybase Audit database files on a separate disk partition, use Compaq SMART or SMART-2 SCSI Array Controller with the Array Accelerator enabled and RAID-1 via hardware. - Page 19 Configuration and Tuning of Sybase System 11 for Microsoft Windows NT on Compaq Servers Use the Compaq Insight Manager to remotely monitor the health of the Compaq Server running Sybase SQL Server. Compaq Insight Manager can provide pre-failure warnings of potential hardware problems.
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Page 20: Conclusion
Configuration and Tuning of Sybase System 11 for Microsoft Windows NT on Compaq Servers Page 17 Conclusion We would welcome feedback from your configurations and experiences to improve our information products in the future. Please send us any comments or suggestions on the attached form, attach addition sheets if necessary. - Page 21 Page 18 Configuration and Tuning of Sybase System 11 for Microsoft Windows NT on Compaq Servers use the Windows NT Performance Monitor to monitor CPU, memory and disk utilization enable diskperf only when necessary to monitor disk performance do not set Sybase user connections higher than necessary...
- Page 22 Configuration and Tuning of Sybase System 11 for Microsoft Windows NT on Compaq Servers User Registration/Evaluation Form Please fill out and return to us this registration/evaluation form to help us keep you up to date with future revisions of this document and related new information products. Your effort will help us improve the quality of the future information products.
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