View Measurement Statistics

PacketWise's statistical reports are user customizable. You specify the object for which you want to gather measurement data (a specific link, partition, or class), and choose which type of data you want to analyze — such as class hits, number of TCP connections refused by the server, packet count, or count of retransmissions. There are dozens of measurement variables from which you can choose. (See Measurement Variables for a complete list.) You also specify the time period for which you want to view statistics (such as for the last week or previous two months) and the increments for the data output (such as 15-minute increments).

The measurement data output is a comma-delimited list. You can display this list in your browser window to preview it before importing it into a spreadsheet or database application. Alternatively, you can export the measurement data to a file.

Note: This feature is not available on the PacketShaper 1200 or 1400 Lite models.

To display a list of measurement statistics in comma-delimited format:

1. Click the manage tab.

2. Select the link, partition, or class for which you want to view statistics.

3. Click statistics and choose data. The Statistics:Data window appears.  show screen

4. If you are asked for the type of object, select link, partition, or class.

5. If you selected partition or class, you also can select one of the Children options: (If you don't see a Children field, the class you selected has no child classes.)

none — data for child classes is not included in the output
immediate — includes data for the specified class and direct child classes (not grandchildren classes)
leaf — includes data for leaf classes only (that is, child classes that don't have any children)
all — includes data for the complete branch: the specified class, direct child classes, and all other classes that are descendants of the child classes.

PacketWise lists only the measurement variables that are appropriate for the object you selected. Some variables are common to all object types, while others are specific to links, partitions, or classes.

6. Select the variables to be viewed:

• To select multiple variables, hold down Ctrl as you click each variable name.
• For variable descriptions, see Measurement Variables.

Note: Some values are recorded for either a parent or a child class, but not for both. If you select a variable that has no recorded measurements for the selected object, a zero will be displayed in the output.

7. Select the variable to sort by:

• Be sure that the sort variable is one that you selected in step 3.

or

• Choose none to dump variables in alphabetical order.

8. Set the time period:

• Choose All Records to display all stored data. For classes and partitions, units store at least one day's worth of per-minute data samples and at least one month's worth of per-hour data samples. For links, units store seven days of per-minute data samples and six months of per-hour samples. (PacketShaper ISP models store at least 24 hours of one-minute data and at least 64 days of four-hour data.)

or

• In the At field, enter the number of minutes, hours, days, weeks, or months for which you want data, and select the unit of time. Then specify the date and time of the end of the collection period. For example, choosing a 1 week period with an end date and time of Jan 1 0:00 indicates that you want a data dump covering the last week of December. Note that the "now" setting for date and time dumps the most recent data.

9. Select a data format. Aggregate formats show totals for the selected variables.

• Time series — listed with the most recent time first
• Time series - ordered by objects — listed in link, partition, or class order
• Aggregate — summarized or totaled
• Aggregate - ordered by objects — summarized in link, partition, or class order
• Aggregate - ordered by variables — summarized in variable name order
• XML for Oracle 8i — returns data in XML format that can be imported directly into Oracle 8i

Note: The meaning of "total" depends on the variable. In some cases, "total" is not meaningful. For example, the total for the bytes variable is truly a total — an accumulation of the minute counts for the bytes variable; however, for variables such as avg-bps and tcp-retx-pkts%, the totals are derived values.

10. Select a data sample interval. If you choose an interval less than one hour (four hours for a PacketShaper ISP), minute samples are used. If you choose an interval greater than one hour (four hours for a PacketShaper ISP), hourly samples are used. For example, if you requested one hour of data and you want it reported in 15-minute increments, choose 15 minutes. PacketWise will sum its samples, if necessary, to report the correct totals for your interval.

11. Click fetch data to display the comma-separated values in your browser window.  show screen

12. The fetched data appears in a new browser window. To save the data in a text file, use the browser's File > Save As command.

The amount of measurement data depends on the number of classes in your traffic tree. Typically, if the unit has been running uninterrupted, at least one day of data is available for intervals less than one hour and at least one month of data is available for intervals greater than one hour.

See also:

Download Measurement Statistics to a File