!
%
ECG082/0898
Table 3. Average User Actions
User Action
Actions Per Day
Check Inbox
12
Send Message
14.18
Avg. Recipients per Message
4.7
Messages Received
66.3
Read Message
81.3
Move Message
16.3
Delete Message
32.5
Update Calendar
5
30% of all mail messages have one distribution list recipient. Average size of DL 10 recipients.
(Recipients created by distribution lists are included in the summary above.) All users are logged
on prior to the benchmark as they are assumed to be using mail in a corporate setting. Mail is not
cleared from the deleted items folder during the test as this is assumed to happen when the user
logs off.
Message Mix Description
The weights used when the Load Simulator randomly selects which message to send are listed in
the Table 4.
Table 4. Message Mix Description
Message Files
Body
Attachment
Content Description
Weight
Ups1k.msg
Body as RTF
60
Ups2k.msg
Body as RTF
16
Ups4k.msg
Body as RTF
4
Ups10kat.msg
10K
Body as RTF - Notepad attachment
6
Upsxlatt.msg
15K
Body as RTF - Microsoft Excel spreadsheet attached
4
Upswdatt.msg
16K
Body as RTF - Microsoft Word document attached
4
Upsbmobj.msg
43K
Body as RTF - Bitmap attachment
2
Load Simulator
The main tool used in generating the workload the MMB benchmark was Microsoft 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.
