我有此指标警报
{
"type": "microsoft.insights/metricAlerts",
"apiVersion": "2018-03-01",
"name": "RequestsForWebsite",
"location": "global",
"dependsOn": [
"[resourceId('Microsoft.Web/sites',variables('webSiteName'))]",
"[resourceId('Microsoft.Insights/actionGroups', 'defaultactionname')]"
],
"properties": {
"description": "Website requests",
"severity": 2,
"enabled": true,
"scopes": [
"[resourceId('Microsoft.Web/sites', variables('webSiteName'))]"
],
"evaluationFrequency": "PT5M",
"windowSize": "PT5M",
"criteria": {
"allOf": [
{
"criterionType": "DynamicThresholdCriterion",
"name": "Requests",
"metricName": "Requests",
"metricNamespace": "Microsoft.Web/sites",
"operator": "GreaterOrLessThan",
"timeAggregation": "Average",
"dimensions": [
{
"name": "Instance",
"operator": "Include",
"values": ["*"]
}
],
"alertSensitivity": "High",
"failingPeriods": {
"numberOfEvaluationPeriods": 1,
"minFailingPeriodsToAlert": 1
}
}
],
"odata.type": "Microsoft.Azure.Monitor.MultipleResourceMultipleMetricCriteria"
},
"actions": [
{
"actionGroupId": "[resourceId('Microsoft.Insights/actionGroups', 'defaultactionname')]"
}
]
}
}
在实例中,我将尺寸设置为*。这是否意味着我的Web应用程序在警报创建时仅运行一个实例,但是可以扩展到两个实例(具有自动缩放功能),因此正在监视这两个实例?如果相反的情况会发生什么:如果我将维度数组留空,那么它将仅监视警报创建时的一个实例,如果激活了自动缩放,它将不监视第二个实例。 / p>
我在描述此内容的文档中找不到任何内容。
更新
我刚刚读过
您也可以为任何尺寸选择*。选择*将 动态地将选择范围扩展到当前和将来的所有值 尺寸。
此处:https://docs.microsoft.com/en-us/azure/azure-monitor/platform/alerts-metric#create-with-azure-portal。仍然没有告诉我不选择“选择*”会发生什么。