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Departmental collaboration environment technical case study (SharePoint Server 2010)

SharePoint 2010

Published: June 17, 2010

This document describes a specific deployment of Microsoft SharePoint Server 2010. It includes the following:

  • Technical case study environment specifications, such as hardware, farm topology and configuration

  • The workload that includes the number, and types, of users or clients, and environment usage characteristics

  • Technical case study farm dataset that includes database contents and Search indexes

  • Health and performance data that is specific to the environment

In this article:

Prerequisite information

Before reading this document, make sure that you understand the key concepts behind SharePoint Server 2010 capacity management. The following documentation will help you learn about the recommended approach to capacity management and provide context for helping you understand how to make effective use of the information in this document, and also define the terms used throughout this document.

For more conceptual information about performance and capacity that you might find valuable in understanding the context of the data in this technical case study, see the following documents:

Introduction to this environment

This white paper describes an actual SharePoint Server 2010 environment at Microsoft. Use this document to compare with your planned workload and usage characteristics. If your planned design is similar, you can use the deployment described here as a starting point for your own installation.

This document includes the following:

  • Specifications, which include hardware, topology and configuration

  • Workload, which is the demand on the farm that includes the number of users, and the usage characteristics

  • Dataset that includes database sizes

  • Health and performance data that is specific to the environment

This document is part of a series of Performance and capacity technical case studies (SharePoint Server 2010) about SharePoint environments at Microsoft.

Diagram shows environment in context at Microsoft

The SharePoint Server 2010 environment described in this document is a production environment at a large, geographically distributed company. Employees use this environment to track projects, collaborate on documents, and share information within their department. This environment is also used for internal testing, and is frequently upgraded to the latest SharePoint Server pre-release versions as they become available.

As many as 9,000 unique users visit the environment on a busy day, generating up to 470 requests per second (RPS) during peak hours. Because this is an intranet site, all users are authenticated.

The information that is provided in this document reflects the departmental collaboration environment on a typical day.

Specifications

This section provides detailed information about the hardware, software, topology, and configuration of the case-study environment.

Hardware

This section provides details about the server computers that were used in this environment.

note Note:

This environment is scaled to accommodate pre-release builds of SharePoint Server 2010 and other products. Hence, the hardware deployed has larger capacity than necessary to serve the demand typically experienced by this environment. This hardware is described only to provide additional context for this environment and serve as a starting point for similar environments.

It is important to conduct your own capacity management based on your planned workload and usage characteristics. For more information about the capacity management process, see Capacity management and sizing overview for SharePoint Server 2010.

Web Servers

There are four Web servers in the farm, each with identical hardware. Three serve content, and the fourth is a dedicated search crawl target.

Web Server WFE1-2 WFE3-4

Processor(s)

2 quad core @ 2.33 GHz

2 quad core @ 2.33 GHz

RAM

32 GB

16 GB

Operating system

Windows Server 2008, 64 bit

Windows Server 2008, 64 bit

Size of the SharePoint drive

3x146GB 15K SAS (3 RAID 1 Disks) Disk 1: OS Disk 2: Swap and BLOB Cache Disk 3: Logs and Temp directory

3x146GB 15K SAS (3 RAID 1 Disks) Disk 1: OS Disk 2: Swap and BLOB Cache Disk 3: Logs and Temp directory

Number of network adapters

2

2

Network adapter speed

1 Gigabit

1 Gigabit

Authentication

Windows NTLM

Windows NTLM

Load balancer type

Hardware load balancing

Hardware load balancing

Software version

SharePoint Server 2010 (pre-release version)

SharePoint Server 2010 (pre-release version)

Services running locally

Search Query

WFE3 – No services

WFE4 – Search crawl target

Application Server

There are four application servers in the farm.

Web Server APP1-3 APP4

Processor(s)

2 quad core @ 2.33 GHz

2 quad core @ 2.33 GHz

RAM

16 GB

16 GB

Operating system

Windows Server 2008, 64 bit

Windows Server 2008, 64 bit

Size of the SharePoint drive

3x146GB 15K SAS (3 RAID 1 Disks) Disk 1: OS Disk 2: Swap and BLOB Cache Disk 3: Logs and Temp directory

2x136GB 15K SAS (RAID 0) 4x60GB SSD, SATA (RAID 5) Disk 1: OS Disk 2: Swap and BLOB Cache Disk 3: Logs and Temp directory

Number of network adapters

2

2

Network adapter speed

1 Gigabit

1 Gigabit

Authentication

Windows NTLM

Windows NTLM

Load balancer type

Hardware load balancing

Hardware load balancing

Software version

SharePoint Server 2010 (pre-release version)

SharePoint Server 2010 (pre-release version)

Services running locally

APP1 – Central Administration and all applications except for Office Web Applications

APP2 – All applications (including Office Web Applications)

APP3 – Office Web Applications

Search Crawler

Database Servers

There are three database servers, one running the default SQL Server instance housing the content databases, one running the Usage and Web Analytics databases, and one running the Search databases.

Database DB1 – Default Instance DB2 DB3

Processor(s)

4 quad core @ 3.2 GHz

2 quad core @ 3.2 GHz

2 quad core @ 3.2 GHz

RAM

32 GB

16 GB

32 GB

Operating system

Windows Server 2008 SP1, 64 bit

Windows Server 2008 SP1, 64 bit

Windows Server 2008 SP1, 64 bit

Storage and geometry

5x146GB 15K SAS + SAN

Disk 1: OS (2 disk RAID 10)

Disk 2: Swap (2 disk RAID 10)

Disk 3: Direct Attached Storage (16 disk RAID 10, Temp DB data) SAS 146 GB 15K

Disk 4: Direct Attached Storage (16 disk RAID 10, Temp DB data) SAS 146 GB 15K

Disk 5-15: SAN using fiber connection. When possible, one database per two disks. Separating logs and data between LUNs. 15K drives.

6x450GB 15K SAS

Directly attached 14x146GB 15K SAS

Disk 1: Usage logs and OS

Disk 2: Usage data

2x136GB 15K SAS (RAID 0)

6x60GB SSD, SATA (RAID 5)

Disk 1: OS

Disk 2: Swap and BLOB Cache

Disk 3: Logs and Temp directory. Solid state drives. 6-60GB Solid state drives (RAID 5)

Number of network adapters

2

2

2

Network adapter speed

1 Gigabit

1 Gigabit

1 Gigabit

Authentication

Windows NTLM

Windows NTLM

Windows NTLM

Software version

SQL Server 2008

SQL Server 2008

SQL Server 2008 R2

Topology

The following diagram shows the topology for this farm.

Farm topology diagram for this environment

Configuration

The following table enumerates settings that were made that affect performance or capacity in the environment.

Setting Value Notes

Site collection:

Object Caching (On | Off)

Anonymous Cache Profile (select)

Anonymous Cache Profile (select)

Object Cache (Off | n MB)

Cross List Query Cache Changes (Every Time | Every n seconds)

On

Disabled

Disabled

On – 100GB

60 seconds

Enabling the output cache improves server efficiency by reducing calls to the database for data that is frequently requested.

Site collection cache profile (select)

Intranet (Collaboration Site)

“Allow writers to view cached content” is checked, bypassing the ordinary behavior of not letting people with edit permissions to have their pages cached.

Object Cache (Off | n MB)

On – 500 MB

The default is 100 MB. Increasing this setting enables additional data to be stored in the front-end Web server memory.

Usage Service:

Trace Log – days to store log files (default: 14 days)

5 days

The default is 14 days. Lowering this setting can save disk space on the server where the log files are stored.

Query Logging Threshold:

Microsoft SharePoint Foundation Database – configure QueryLoggingThreshold to 1 second

1 second

The default is 5 seconds. Lowering this setting can save bandwidth and CPU on the database server.

Database Server – Default Instance:

Max degree of parallelism

1

The default is 0. To ensure optimal performance, we strongly recommend that you set max degree of parallelism to 1 for database servers that host SharePoint Server 2010 databases. For more information about how to set max degree of parallelism, see max degree of parallelism Option (http://go.microsoft.com/fwlink/p/?LinkId=189030).

Workload

This section describes the workload, which is the demand on the farm that includes the number of users, and the usage characteristics.

Workload Characteristics Value

Average Requests per Second (RPS)

165

Average RPS at peak time (11 AM-3 PM)

216

Total number of unique users per day

9186

Average concurrent users

189

Maximum concurrent users

322

Total # of requests per day

7,124,943

This table shows the number of requests for each user agent.

User Agent Requests Percentage of Total

Search (crawl)

4,373,433

67.61%

Outlook

897,183

13.87%

OneNote

456,917

7.06%

DAV

273,391

4.23%

Browser

247,303

3.82%

Word

94,465

1.46%

SharePoint Workspaces

70,651

1.09%

Office Web Applications

45,125

0.70%

Excel

8,826

0.14%

Access

1,698

0.03%

Dataset

This section describes the case study farm dataset that includes database sizes and Search indexes.

Dataset Characteristics Value

Database size (combined)

1.8 TB

BLOB size

1.68 TB

Number of content databases

18

Total number of databases

36

Number of site collections

7,499

Number of Web applications

7

Number of sites

42,457

Search index size (number of items)

4.6 million

Health and Performance Data

This section provides health and performance data that is specific to the case study environment.

General Counters

Metric Value

Availability (uptime)

99.9995%

Failure Rate

0.0005%

Average memory used

0.89 GB

Maximum memory used

5.13 GB

Search Crawl % of Traffic (Search client requests / total requests)

82.5%

The following charts show the average CPU utilization and latency for this environment:

Chart showing average CPU utilization Chart showing latency in this environment

In this document, latency is divided into four categories. The 50th percentile latency is typically used to measure the server’s responsiveness. It means that half of the requests are served within that response time. The 95th percentile latency is typically used to measure spikes in server response times. It means that 95% of requests are served within that response time, and therefore, 5% of the requests experience slower response times.

Database Counters

Metric Value

Average Disk queue length

1.42

Disk Queue Length: Reads

1.38

Disk Queue Length: Writes

0.04

Disk Reads/sec

56.51

Disk Writes/sec

17.60

SQL Compilations/second

13.11

SQL Re-compilations/second

0.14

SQL Locks: Average Wait Time

294.56 ms

SQL Locks: Lock Wait Time

867.53 ms

SQL Locks: Deadlocks Per Second

1.87

SQL Latches: Average Wait Time

5.10 ms

SQL Cache Hit Ratio

99.77%

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