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SharePoint 2007 - 性能指南

2009-02-23 10:08 330 查看
from: http://technet.microsoft.com/en-us/library/cc262787.aspx



The following table lists the recommended guidelines for site objects.


Site object
Guidelines for acceptable performance
Notes
Scope of impact when performance degrades
Site collection

50,000 per content database

Total farm throughput degrades as the number of site collections increases.

Farm

Site collection

150,000 per Web application

This limit is theoretical, and is dependent largely upon:

Performance of the database server on which the configuration database resides.

Performance of the Web servers in the farm.

Network bandwidth between the Web servers and the database server.

This is not a hard limit, and assumes a single database server. Your
environment may not be able to host this many site collections per Web
application. Distributing content databases across additional database
servers can increase the effective limit of the number of site
collections per Web application. You should perform testing to
determine the actual effective limit in your environment.

Farm

Web site

250,000 per site collection

You can create a very large total number of Web sites by nesting the
subsites. For example, 100 sites, each with 1000 subsites, is 100,000
Web sites. The maximum recommended number of sites and subsites is 125
sites with 2,000 subsites each, for a total of 250,000 sites.

Site collection

Subsite

2,000 per Web site

The interface for enumerating subsites of a given Web site does not perform well as the number of subsites surpasses 2,000.

Site view

Document

5 million per library

You can create very large document libraries by nesting folders,
using standard views and site hierarchy. This value may vary depending
on how documents and folders are organized, and by the type and size of
documents stored.

Library

Item

2,000 per view

Testing indicates a reduction in performance beyond two thousand
items. Using indexing on a flat folder view can improve performance.

List view

Document file size

50MB (2GB max*)

File save performance is proportional to the size of the file. The
default maximum is 50 MB. This maximum is enforced by the system, but
you can change it to any value up to 2 GB.

Library, file save performance

List

2,000 per Web site

Testing indicates a reduction in list view performance beyond two thousand entries. For more information about large lists, see White paper: Working with large lists in Office SharePoint Server 2007.

List view

Field type

256 per list

This is not a hard limit, but you might experience list view
performance degradation as the number of field types in a list
increases.

List view

Column

2,000 per document library

4,096 per list

This is not a hard limit, but you might experience library and list
view performance degradation as the number of columns in a document
library or list increases.

Library and list view

Web Part

50 per page

This figure is an estimate based on simple Web Parts. The complexity
of the Web Parts dictates how many Web Parts can be used on a page
before performance is affected.

Page

Managed path

20 per Web application

20
managed paths is a soft limit. Managed paths are cached on the Web
server, and CPU resources are used to process incoming requests against
the managed path list. You should test for performance before exceeding
20 managed paths in a single Web application.

Web application

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