Filtered Counter Groups
A subset of an existing counter group, selected by a filter.
Meter a subset of a group that matches a set of keys from another group.
Uses
Filtered counter group are invaluable in setting up cross-group counters.
Some examples :
| Counter Group | Description and Parameters |
|---|---|
| Users of Youtube | All IPs connecting to known YouTube IPs can be monitored separately |
| HTTP Hosts | Parent = Hosts, Filter = Apps (Keys = http) |
| China Ukraine Hosts | Parent = Hosts, Filter = Country (Keys = cn,ua) |
| Server Apps | Parent = Apps, Filter = Hosts (Key = 10.10.1.18) |
Create New Filtered Counter Groups
navigation
👉 Log in as admin and go to Context: default → profile0 → Custom Counters → Filtered
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Click the button “Create New”
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You will be redirected to a page with following fields
| Field Name | Description |
|---|---|
| Counter Group Name | Counter Group name |
| Description | Description about the counter group |
| Parent Group | Choose parent counter group from the drop down list |
| Filter Group | Choose filter counter group from the drop down list |
| Key List | Comma separated list of keys/ranges: Port-80, 192.168.1.2, Port-5000~Port-8000, 192.168.1.1~192.168.1.255 |
| Inverse Key List | The parent will be filtered by all keys Except those in this list. |
Custom Group
For more advanced custom counters you can use the Lua API to measure any subset of metrics
Tune this counter group
To control how much this counter group stores, set its bucket size, topper settings and water marks. See Tune Counter Groups.