Amazon web services 验证错误对于给定的度量规范,仅允许一个TargetTrackingScaling策略
我正在尝试自动缩放dynamoDB,但出现错误: aws_appautoscaling_policy.dynamodb_table_read_策略:未能创建缩放策略:放置缩放策略时出错:ValidationException:对于给定的度量规范,仅允许一个TargetTrackingScaling策略 在这里,我只使用一个TargetTrackingScaling策略 有人能帮我吗 代码如下:Amazon web services 验证错误对于给定的度量规范,仅允许一个TargetTrackingScaling策略,amazon-web-services,Amazon Web Services,我正在尝试自动缩放dynamoDB,但出现错误: aws_appautoscaling_policy.dynamodb_table_read_策略:未能创建缩放策略:放置缩放策略时出错:ValidationException:对于给定的度量规范,仅允许一个TargetTrackingScaling策略 在这里,我只使用一个TargetTrackingScaling策略 有人能帮我吗 代码如下: resource "aws_appautoscaling_target" "dynamodb_tabl
resource "aws_appautoscaling_target" "dynamodb_table_read_target" {
max_capacity = "${var.as_read_max}"
min_capacity = "${var.as_read_min}"
resource_id = "table/${aws_dynamodb_table.log_table_name.name}"
role_arn = "arn:aws:iam::${data.aws_caller_identity.current.account_id}:role/aws-service-role/dynamodb.application-autoscaling.amazonaws.com/AWSServiceRoleForApplicationAutoScaling_DynamoDBTable"
scalable_dimension = "dynamodb:table:ReadCapacityUnits"
service_namespace = "dynamodb"
}
resource "aws_appautoscaling_policy" "dynamodb_table_read_policy" {
name = "DynamoDBReadCapacityUtilization:${aws_appautoscaling_target.dynamodb_table_read_target.resource_id}"
policy_type = "TargetTrackingScaling"
resource_id = "${aws_appautoscaling_target.dynamodb_table_read_target.resource_id}"
scalable_dimension = "${aws_appautoscaling_target.dynamodb_table_read_target.scalable_dimension}"
service_namespace = "${aws_appautoscaling_target.dynamodb_table_read_target.service_namespace}"
target_tracking_scaling_policy_configuration {
predefined_metric_specification {
predefined_metric_type = "DynamoDBReadCapacityUtilization"
}
target_value = "${var.as_read_target_util}"
}
}
如果现有堆栈的DynamoDB表具有TargetTrackingScaling,也可能发生此错误
要更新它,您可以先删除现有策略,然后重新部署DynamoDB的缩放更改。一个Cloudwatch度量只能由一个TargetTrackScalingPolicy使用。因此,如果您引用的度量被其他策略使用,并且您再次使用此度量。它会告诉你这个错误。你是说度量而不是矩阵吗?