This article provides an overview of how to effectively plan and manage the capacity of SharePoint 2010 environments. This article also describes how to maintain a good understanding of the capacity needs and capabilities of your deployment, by analysis of performance and volume data.
Capacity management is an ongoing process, You need to plan for growth and change, so that your SharePoint Server 2010–based environment can continue to deliver an effective business solution.
The capacity management model includes additional steps to help you validate and tune the initial architecture, and provides a feedback loop for re-planning and optimizing the production environment until it can support design goals with optimal choices of hardware, topology, and configuration.
# The following specialized terms are used in SharePoint 2010 capacity management:
RPS: Requests per second. The number of requests received by a farm or server in one second.
Peak hours: The time or times during the day when load on the farm is at its maximum.
Peak load : The average maximum daily load on the farm, measured in RPS.
Load spike: Transient load peaks that fall outside usual peak hours. These can be caused by unplanned increases in user traffic, decreased farm throughput because of administrative operations, or combinations of such factors.
Scale up: To scale up means to add resources such as processors or memory to a server.
Scale out : To scale out means to add more servers to a farm.
Throughput: Throughput is defined as the number of concurrent requests that a server or server farm can process.
# Limits and boundaries:
Web application limits
Content database size ( general usage scenarios)
|
200 GB per content database
|
Content database items
|
60 million items including documents and list items
|
Site collections per content database
|
2,000 recommended
5,000 maximum
|
Web site
|
250,000 per site collection
|
Site collection size
|
Maximum size of the content database
|
Web parts
|
25 per wiki or Web part page
|
List and library limits
The following table lists the recommended guidelines for lists and libraries.
| List row size | 8,000 bytes per row |
| File size | The default maximum file size is 50 MB and Maximum 2 GB. |
| Documents | 30,000,000 per library |
| Major versions | 400000 |
| Items | 30,000,000 per list |
| List view lookup threshold | 8 join operations per query |
| List view threshold | 5000 |
| List view threshold for auditors and administrators | 20000 |
| Subsite | 2,000 per site view |
Column limits
SharePoint Server 2010 data is stored in SQL Server tables.
| Single line of text | 28 bytes |
| Multiple Lines of Text | 28 bytes |
| Choice | 28 bytes |
| Number | 12 bytes |
| Date and Time | 12 bytes |
| Lookup | 4 bytes |
| Yes / No | 5 bytes |
| Person or group | 4 bytes |
| Hyperlink or picture | 56 bytes |
| Calculated | 28 bytes |
Blog limits
The following table lists the recommended guidelines for blogs.
| Blog posts | 5,000 per site |
| Comments | 1,000 per post |
Groups limits
| Number of SharePoint groups a user can belong to | 5000 |
| Users in a site collection | 2 million per site collection |
| Active Directory Principles/Users in a SharePoint group | 5,000 per SharePoint group |
| SharePoint groups | 10,000 per site collection |
References:
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