| Measurement |
Description |
Measurement
Unit |
Interpretation |
| Curr_users
|
This measure
shows the actual number of users (not connections) currently using the
information store. |
Number
|
This measure is a good indicator of user activity in the Exchange 2000/2003/2007
Server. This information can be used by the administrator to plan for
capacity of the mail server.
|
| Mail_send_qsize
|
This measure
indicates the number of messages in the send queue of an information
store. |
Number
|
This measure is usually zero under normal conditions.
This measure can be non-zero in the case of very busy systems (2000
users and more).
|
| Mail_rcvd_qsize
|
This measure
shows the number of messages in the receiving queue of the information
store. |
Number
|
This measure is usually zero under normal conditions.
A non-zero value for this measure indicates that the SMTP service
is choking up memory.
|
| Mail_sent_rate
|
This measure
indicates the rate at which messages are being sent to SMTP. |
Msgs/Min
|
A high value over a period for this measure indicates the one of the
following:
1.
the SMTP service is down
2.
the SMTP service is choking up memory
3.
the Exchange 2000/2003/2007 Server is overloaded.
|
| Mail_opens_rate
|
This measure
indicates the rate at which the requests, to open the messages are
being submitted to the information store. |
Msgs/Sec
|
This measure shows the overall picture of user activity. An abnormally
high value for this measure may indicate that the Exchange 2000/2003/2007 Server
is overloaded.
|
| Folder_opens_rate
|
This measure
indicates the rate at which requests, to open the folders are being
submitted to the information store. |
Reqs/Sec
|
This measure is another good indicator of user activity on the mail
folders.
|
| Avg_mail_delvry_time
|
This measure
indicates the average time between the submission of a message to the
information store and the submission to other storage providers for
the last 10 messages. |
Secs
|
A non-zero value for this measure indicates a change in user workload.
An abnormally high value for this measure indicates inability to
deliver to one or more destinations. One of the possible reasons for
this can be a network failure.
|
| Avg_mail_local_delvry_time
|
This measure
indicates the average time between the submission of a message to the
information store and the delivery to all local recipients (recipients
on the same server) for the last 10 messages. |
Secs
|
A non-zero value for this measure indicates a change in the user
workload.
An abnormally high value for this measure may indicate that the
server is overloaded.
|