Compaq 386746-001 - ProLiant - 1600 Guide de démarrage rapide
August 1998
ECG1090898
Prepared by Internet Solutions
Business Unit
Compaq Computer Corporation
Contents
Compaq ProLiant 1600............... 3
Key Features............................. 3
Performance Results................. 4
APPENDIX A: TEST
DISCLOSURE............................... 7
Performance Data
Disclosure.................................. 7
Descriptive Terms ..................... 8
APPENDIX B: RELATED
DOCUMENTS............................. 10
Abstract: The Compaq ProLiant 1600 is well suited as a Microsoft
Exchange Server deployment platform for small and medium-sized
organizations, and for satellite locations of larger organizations. It is
a high performance server with uptime features unmatched in its
class. Using Microsoft’s Load Simulation utility, the new ProLiant
1600 with two 400 MHz Intel Pentium®II processors was tested with
user loads of 8000 simultaneous MAPI e-mail users at Compaq’s
Microsoft Competency Center located in Redmond, Washington.
Microsoft Exchange Server has been the focal point for extensive
development and testing by both Microsoft and Compaq. Throughout
this activity, Compaq and Microsoft have worked to optimize
Microsoft Exchange Server performance on Compaq server products
to provide an optimal balance between performance, availability,
manageability, and cost
ECG1090898
Notice
The information in this publication is subject to change without notice and is provided “AS IS” WITHOUT
WARRANTY OF ANY KIND. THE ENTIRE RISK ARISING OUT OF THE USE OF THIS
INFORMATION REMAINS WITH RECIPIENT. IN NO EVENT SHALL COMPAQ BE LIABLE FOR
ANY DIRECT, CONSEQUENTIAL, INCIDENTAL, SPECIAL, PUNITIVE OR OTHER DAMAGES
WHATSOEVER (INCLUDING WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS
PROFITS, BUSINESS INTERRUPTION OR LOSS OF BUSINESS INFORMATION), EVEN IF
COMPAQ HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
The limited warranties for Compaq products are exclusively set forth in the documentation accompanying
such products. Nothing herein should be construed as constituting a further or additional warranty.
This publication does not constitute an endorsement of the product or products that were tested. The
configuration or configurations tested or described may or may not be the only available solution. This test
is not a determination or product quality or correctness, nor does it ensure compliance with any federal
state or local requirements.
Product names mentioned herein may be trademarks and/or registered trademarks of their respective
companies.
Compaq, Contura, Deskpro, Fastart, Compaq Insight Manager, LTE, PageMarq, Systempro, Systempro/LT,
ProLiant, TwinTray, ROMPaq, LicensePaq, QVision, SLT, ProLinea, SmartStart, NetFlex, DirectPlus,
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Microsoft, Windows, Windows NT, Windows NT Server and Workstation, Microsoft SQL Server for
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NetWare and Novell are registered trademarks and intraNetWare, NDS, and Novell Directory Services are
trademarks of Novell, Inc.
Pentium is a registered trademark of Intel Corporation.
Copyright ©1998 Compaq Computer Corporation. All rights reserved. Printed in the U.S.A.
Microsoft Exchange Server 5.5 on the Compaq ProLiant 1600
Performance Brief prepared by Internet Solutions Business Unit
First Edition (August 1998)
Document Number ECG1090898
ECG1090898
Compaq ProLiant 1600
The Compaq ProLiant 1600 6/400 is a high performance server for workgroup and remote-office
applications with uptime features unmatched in its class. A state-of-the-art 400 MHz Pentium II
processor with dual processing capability provides exceptional performance, while the hot-plug
drives and optional hot-plug redundant power supply deliver increased uptime. The ProLiant
1600 6/400 also provides plenty of headroom for growing network demands, with support for
45.5 GB of hot-plug storage, memory expandable to 1GB and 6 I/O expansion slots.
Key Features
•Intel Pentium® II processor 350 or 400 MHz (dual processor capability)
•512-KB second level ECC cache standard
•100 MHz GTL Bus Design
•64-MB 100 MHz registered SDRAM memory standard, expandable to 1 GB
•Two PCI and four shared PCI/ISA slots (six total slots)
•Compaq Netelligent 10/100 TX PCI UTP Controller (embedded) on the PCI local bus
•Integrated Dual Channel Wide-Ultra SCSI-3 Controller
•Support for up to five 1-inch or two 1.6-inch and one 1-inch hot-plug hard drives
•Internal hot-plug storage capacity up to 45.5 GB. Maximum storage up to 63.7 GB (includes
two available removable media bays)
•I2O Ready
•Integrated Management Display (IMD) (optional)
•Compaq Hot-Pluggable Redundant Power Supply (optional)
•Easy-to-service chassis
•Preinstalled CD-ROM Drive IDE
•Compaq Insight Manager, SmartStart, Integrated Remote Console (IRC) and Automatic
Server Recovery-2 (ASR-2)
•Protected by Compaq Services, including a three-year on-site limited warranty and extended
Pre-Failure Warranty which covers Intel Pentium II processors, memory and disk drives.
ECG1090898
Performance Results
The benchmark was conducted using Microsoft’s Load Simulator tool. For each test, the Load
Simulator Medium MAPI canonical profile was chosen. The Medium MAPI profile reflects the
task workload of a typical corporate e-mail user, including common daily mail tasks such as send,
browse, read, and forward, as well as calendaring tasks and distribution list usage. The Response
Time score represents a 95th-percentile score of the measured test run. The score is expressed in
milliseconds (ms). The ProLiant 1600 Response Time score of 230 ms is well below the 1000 ms
acceptable threshold for e-mail users utilizing Exchange Server’s MAPI protocol. Microsoft has
certified these benchmark results based on the Microsoft Exchange Server 5.5 UPS (Users Per
Server) Policy Guidelines V1.0.
Table 1. Performance Highlights (ProLiant 1600, 6/400, 2 CPU, 1024 MB RAM)
User Load 8,000
Response Time (milliseconds) 230
Messages Submitted (8-hour period) 115,712
Messages Delivered (8-hour period) 147,090
Messages Recipients Delivered (8-hour period) 644,042
Messages Sent (8-hour period) 31,374
Note: Test results based on Microsoft Exchange Server 5.5 UPS Policy Guidelines V1.0. The test result disclosure
can be found in Appendix A
Table 2. Compaq ProLiant 1600 Tested configuration
(2) Intel Pentium II 400-MHz – 512K Level-2 writeback cache per processor
1024 MB ECC SDRAM DIMMs
(2) SMART-2/DH Array Controller
OS/Pagefile/Exchange DS/MTA Files: (2) 4.3-GB Drives – RAID1
Exchange Log Files: (2) 4.3-GB Drives – RAID1
Exchange Information Store Files: (12) 4.3-GB Drives – RAID0
Compaq Netelligent 10/100 TX Embedded UTP NIC
Microsoft Windows Enterprise Server NT 4.0 with Service Pack 3
Exchange Server v5.5 –Enterprise Edition (Tuning: Perfwiz defaults)
Note: The test results disclosure can be found in Appendix A.
What the Benchmarks Don’t Tell You
It is important to understand that benchmarks such as these are designed to give Exchange Server
implementation planners baseline references for understanding the capabilities of hardware
platforms from a single vendor such as Compaq or other competing hardware vendors. When
interpreting these benchmarks, however, two things should be kept in mind.
ECG1090898
First, consider whether benchmarks are performed on what can be referred to as customer-
deployable configurations. A hardware vendor may publish a result that is based on a platform or
configuration that should not be deployed in a real-world Exchange Server deployment. For
example, many vendors have published results using disk subsystems configured with RAID0
disk arrays. While RAID0 does provide the highest levels of disk subsystem performance, it fails
to provide any protection against data loss. In addition, most vendors, including Compaq, conduct
benchmarks for Microsoft Exchange Server that are single-server in nature. In the real-world of
messaging, customer sites are usually multi-server and multi-site. Single-server, single-site lab
benchmarks do not account for the communication demands from other servers on the network.
Second, keep in mind that benchmarks do not account for issues such as backup and disaster
recovery or information store maintenance sizing. Whatever the issue, care must be taken when
interpreting benchmarks to ensure that they represent useful information for your Exchange
Server deployment and are based on valid simulation methodologies.
While it is significant that the ProLiant 1600 server can successfully scale to 8000 medium MAPI
e-mail users in a single site, single store benchmark exercise, Compaq does not recommend
deploying 8000 users on this configuration. Compaq recommends careful evaluation of all issues
involved in real-world Exchange Server deployments such as management, administration, and
disaster recovery.
Load Simulator
The main tool used in generating the workload for this scalability demonstration was the
Microsoft Exchange Server Load Simulation utility called Load Simulator. Load Simulator is a
tool for simulating a client user load on an Exchange Server. Its purpose is to enable a single
Windows NT machine called a LoadSim client to simulate multiple Microsoft Exchange client
users.
The operation of Load Simulator users is governed by a Load Simulator profile. This profile
controls factors such as how long a Load Simulator "day" is, how many e-mail messages to send
in a day’s time, how many times to open and read e-mail, whether to use distribution lists,
whether to use public folders, etc.
Load Simulator creates a highly accurate simulation of reality. It mimics the full Microsoft
Exchange Client in many respects. First, it uses .MSG files, the same format used by the
Exchange Client. This guarantees that messages generated by Load Simulator have the same
properties as those sent by real users of the Exchange Client. Second, Load Simulator uses the
same MAPI remote procedure call (RPC) semantics as those used by the Client. Third, Load
Simulator registers MAPI change notifications in the same manner as they are registered by the
Client. Finally, Load Simulator even emulates the Microsoft Exchange Client list box cache,
which the Client uses for folder and message panes in the viewer when a user browses and selects
messages on the server.
ECG1090898
Several steps are necessary to perform a successful simulation. The Load Simulator setup and
initialization process comes first. Load Simulator creates the test topology by generating the user
directory entries. Next, the test store is initialized and populated with the test messages and folder
items. The tests are typically run for up to 8 hours depending upon the user load simulated and
amount of time required to reach a steady state for measurement purposes. During a test run,
users log on to the Exchange Server and begin processing various messaging tasks. Task response
time data is logged to the LSPERF.LOG file and client messages and error logging are stored in
the LOADSIM.OUT file. To produce test scores, the LSLOG utility is used to parse the
LSPERF.LOG file and calculate the response time score. By default, 95th- and 50th-percentile
response time scores are calculated. Ninety-fifth-percentile response time scores for the
MAPI/RPC protocol should be less than 1000 ms, according to Microsoft. Also, the Exchange
Server IS Send Queue and the MTA Work Queue (other message and delivery queues should also
be considered, depending on the protocol) must consistently return to near zero during the steady-
state period for which test measurements are taken. Queues that continue to grow and fail to
return to near zero indicate that the server is not sustaining the required workload. There should
be no errors logged by the LoadSim clients during the test. When these conditions are met, a
successful test run has been completed. For more information on LoadSim Medium canonical
profiles, please refer to the LoadSim documentation at:
http://www.microsoft.com/exchange/library/loadsim55x86.exe.
Balancing Scalability and Availability
While server performance and capacity are key criteria in selecting a messaging deployment
platform, one must also consider price and performance. Several competing hardware vendors
offer platforms capable of supporting heavy user loads. They also provide these systems at a price
significantly higher than Compaq's price. Compaq delivers leading performance on industry-
standard platforms with the lowest total cost of ownership.
For many corporations, messaging and collaboration have recently become mission critical.
Unscheduled downtime for any server can result in a significant loss of productivity. To limit
exposure to downtime, Exchange Server 5.5 and Compaq ProLiant Clusters provide high
availability through Microsoft Cluster Server (MSCS). When MSCS is deployed on Compaq
ProLiant Clusters, enterprise-messaging customers can achieve scalability without sacrificing the
reliability that is required in an enterprise environment.
Another critical concern is backup and disaster recovery. Compaq provides industry-leading tape
array and library hardware solutions integrated with applications such as Computer Associates’
Cheyenne ArcServe. These solutions will help meet the requirements of enterprise customers
deploying messaging and collaboration applications.
!
ECG1090898
APPENDIX A: TEST DISCLOSURE
Table 3. LoadSim Clients and Configuration
LoadSim Clients Configuration
Network type (10Base T, Token Ring, etc.) 100 Base-TX
Number and type of clients (≤40) 2x5/133, 128 MB RAM (≤250 users each) or better
(indicates minimum configuration)
Number and type of hubs/concentrators (full duplex,
switching, etc.) Compaq Netelligent 5708 Switch and Netelligent 2624 Hub
Number of clients/segment
Client CPU type and speed in percentages 2P/133-MHz Pentium processors or better
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Note: Response time measurements were taken from a LoadSim Control Client simulating 100
users configured with 96 MB RAM and a Pentium/166 CPU. The client is located on an isolated
network segment connected to a 100-Mb/s switch.
Performance Data Disclosure
8,000 Users (Measured during test run at steady state)
Table 4. Summary
Supported Benchmark Load 8,000 Users
Weighted 95th Percentile Score 230 milliseconds
Benchmark Profile LoadSim Medium User
Protocol Exchange MAPI
Length of Steady State 4 hours
Length of Test 8 hours
Table 5. Transaction Load (hourly)
Messages Submitted 14,464.0
Messages Recipients Delivered 80,505.25
Messages Sent 3,921.75
Table 6. Transaction Load (per second)
Messages Opens/Sec 30.133
Folders Opens/Sec 7.482
RPC Read Bytes/Sec 25,592
RPC Write Bytes/Sec 179,444
3
ECG1090898
Table 7. Transaction Queues
IS Send Queue Average Length 3.737
MTA Work Queue Average Length 0.737
Table 8. Processor Utilization
System Processor Utilization (%) 72.84
System Processor Queue Length 2.899
System Context Switches/Sec 2,388
Process % CPU Time - Store 115.20
Process % CPU Time - DS 9.82
Process % CPU Time - MTA 7.38
Table 9. Memory Utilization
Available Bytes 4.89 MB
Pages/Sec 0.038
Process Working Set Bytes - Store 965 MB
Process Virtual Bytes - Store 1.40 GB
Table 10. Logical Drive Utilization
IS Database Disk Reads/Sec 205.469
IS Database Disk Writes/Sec 122.614
IS Database Average Disk Queue Length 4.847
IS Log Disk Reads/Sec 0
IS Log Disk Writes/Sec 91.572
IS Log Average Disk Queue Length 0.039
Descriptive Terms
Messages Submitted
Submit calls made by clients. This equates to total message sends by users.
Messages Sent
Messages that the Store sends to the MTA (not messages sent by clients). Normally all messages
submitted by the clients are sent to the MTA, except in the case where all recipients are local
mailboxes. In that case, since all the deliveries can be performed locally, no message is sent to the
MTA.
Message Recipients Delivered
Separate mailboxes that messages have been delivered to. Think of this as the number of Reads
that are ‘caused’ by sending a message (one per recipient).
Message Opens/Sec
Messages accessed for reading per second
4
ECG1090898
Folder Opens/Sec
Folders opened for browsing per second
RPC Read Bytes/Sec
RPC Bytes read from clients (i.e., submit calls)
RPC Write Bytes/Sec
RPC Bytes written to clients (i.e., message opens)
IS Send Queue Average Length
Send Queue Size is the number of messages in the private information store's send queue.
MTA Work Queue Average Length
Work Queue Length is the number of outstanding messages in the Work Queue, which indicates
the number of messages not yet processed to completion by the MTA.
Note: Performance results were measured using Microsoft NT Performance Monitor.
Measurements were obtained by measuring averages for the period of steady-state activity (i.e.,
after 8,000 users were successfully logged on). Tests measure the messaging throughput of a
single-server, single-site topology. For deployment-specific information, contact a Microsoft or
Compaq representative. More information can be found at:
http://www.microsoft.com/exchange/support/deployment/planning/deploy.asp?A=5&B=1
ECG1090898
APPENDIX B: RELATED DOCUMENTS
These documents are available on the Compaq website.
Compaq and Microsoft Demonstrate Enterprise Scalability with Exchange Server 5.5
http://www.compaq.com/support/techpubs/whitepapers/ECG0961197.html
Microsoft Exchange Server 5.5 on the Compaq ProLiant 850R
http://www.compaq.com/support/techpubs/whitepapers/ECG0710698.html
Microsoft Exchange Server 5.5 on the Compaq ProLiant 3000
http://www.compaq.com/support/techpubs/whitepapers/ECG0720698.html
Microsoft Exchange Server 5.5 on the Compaq ProLiant 6000 Class Servers
http://www.compaq.com/support/techpubs/whitepapers/ECG0730698.html
Compaq Deployment and Configuration Guide: Microsoft Exchange Server on Compaq
ProLiant Servers
http://vcmproapp02.compaq.com/
Performance of Exchange Server 4.0 on Compaq ProLiant Servers
http://www.compaq.com/support/techpubs/whitepapers/444A0696.html
Deschutes Family Processor Technology
http://www.compaq.com/support/techpubs/whitepapers/ecg0500698.html
Disk Subsystem Performance and Scalability
http://www.compaq.com/support/techpubs/whitepapers/ECG0250997.html
Configuring Compaq RAID Technology for Database Servers
http://www.compaq.com/support/techpubs/technotes/184206-1html
Compaq SMART-2SL Array Controller Technology
http://www.compaq.com/support/techpubs/whitepapers/667A0697.html
Hardware vs. Software Fault Tolerance
http://www.compaq.com/support/techpubs/whitepapers/ECG0660298.html
Compaq Pentium Pro Processor-based Servers
http://www.compaq.com/support/techpubs/whitepapers/308A0496.html
Configuring the Compaq ProLiant 5000 Server for Peak Performance
http://www.compaq.com/support/techpubs/whitepapers/679A0697.html
Compaq White Paper Index
http://www.compaq.com/support/techpubs/whitepapers
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