KPIs

The kpis field in a study specifies which metrics should be considered as KPI for an offline optimization study.

In case this selection is not specified, all metrics mentioned in the goal and constraint of the optimization study are considered.

A KPI is defined as follows:

FieldTypeValue restrictionIs requiredDefault valueDescription

name

string

should match a component metric

no

<metric_name>

Label that will be used in the UI

formula

string

Must be defined as <component_name>.<metric_name>

yes

The metric name associated to a component

direction

string

minimize, maximize

yes

The direction corresponding to the metric

aggregation

string

avg, min, max, sum, p90, p95, p99

no

avg

A valid metric aggregation

Notice that the textual badge displayed in the Akamas UI use "Best name".

Example

The following fragment is an example of a list of KPIs:

kpis:
  - name: "Response time"
    formula: renaissance.response_time
    direction: minimize
  - name: "CPU used"
    formula: renaissance.cpu_used
    direction: minimize
  - name: "Memory used"
    formula: renaissance.mem_used
    direction: minimize

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