如何查看NLB监控信息_负载均衡(SLB)-阿里云帮助中心

当您遇到网络型负载均衡NLB请求超时、流量限速等网络连接问题，或者需要了解NLB的负载、性能等情况时，您可以利用云监控功能查看NLB资源的运行状态和各个指标的使用情况，方便快速定位问题。您可以通过控制台、API、SDK方式来查看NLB的监控信息。

通过控制台查看监控

登录网络型负载均衡NLB控制台。
在顶部菜单栏，选择NLB实例所属的地域。
在实例页面，您可以选择以下任意一种方式查看监控。
- 在实例列表页面直接查看
  1. 在实例页面，找到目标实例，在监控列单击。
  2. 在弹出的监控信息面板，切换实例、监听、VIP（可用区）页签，查看监控信息。
- 在实例详情页面查看
  1. 在实例页面，找到目标实例，单击实例ID。
  2. 在实例详情页签，单击监控图表页签。
  3. 在监控图表页签，切换实例、监听、VIP（可用区）页签，查看监控信息。
说明
- 关于NLB实例监控项详细说明，请参见NLB监控项说明。
- 系统默认为您展示最近1小时内的监控数据，您可以选择查看3小时内、6小时内或12小时内的监控数据，还可以选择自定义，自定义需要设置查看的时间段。
- 开启自动刷新后监控图表每分钟自动刷新监控数据。

通过API查看监控

介绍如何通过云监控API查看网络型负载均衡实例的监控项和详细监控数据。

通过API查看监控数据流程，如下图所示。 monitoring

流程说明如下：

查看数据命名空间Namespace。调用DescribeProjectMeta接口查询云监控中NLB的数据命名空间Namespace。
可选：查看已有监控项。调用DescribeMetricMetaList接口查询云监控开放的时序类指标监控项描述或直接查看监控项说明，更多信息，请参见NLB监控项说明。
查看指定监控项的监控数据。
- 调用DescribeMetricLast接口查询NLB指定监控对象的最新监控数据。
- 调用DescribeMetricList接口查询NLB指定时间段内监控对象的时序指标监控数据。

DescribeProjectMeta

调用DescribeProjectMeta接口查询云监控中NLB的数据命名空间Namespace，详情请参见DescribeProjectMeta。

登录OpenAPI开发者门户。
将请求参数中报警产品标签过滤Labels的值设置为[{"name":"product","value":"NLB"}]，其他参数保持默认值，然后单击发起调用。
查看请求示例
```
http(s)://[Endpoint]/?Action=DescribeProjectMeta
&Labels=[{"name":"product","value":"NLB"}]
&<公共请求参数>
```

根据返回参数，获取云监控中NLB数据命名空间Namespace的值为acs_nlb。

查看返回示例

{
  "RequestId": "D214F951-A63D-523D-8EB5-827F691C0F76",
  "PageSize": 30,
  "PageNumber": 1,
  "Total": 1,
  "Resources": {
    "Resource": [
      {
        "Description": "Network Load Balancer",
        "Labels": "[{\"name\":\"product\",\"value\":\"NLB\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"groupFlag\",\"value\":\"true\"},{\"name\":\"cnName\",\"value\":\"Network Load Balancer\"},{\"name\":\"enName\",\"value\":\"网络型负载均衡\"}]",
        "Namespace": "acs_nlb"
      }
    ]
  },
  "Code": 200,
  "Success": true
}

DescribeMetricMetaList

调用DescribeMetricMetaList接口查询云监控开放的时序类指标监控项描述，详情请参见DescribeMetricMetaList。

登录OpenAPI开发者门户。
将请求参数中数据命名空间Namespace的值设置为acs_nlb，其他参数保持默认值，然后单击发起调用。
查看请求示例
```
http(s)://[Endpoint]/?Action=DescribeMetricMetaList
&Namespace=acs_nlb
&<公共请求参数>
```

根据返回参数，查看NLB的时序类指标监控项。

查看返回示例

{
  "TotalCount": 30,
  "RequestId": "9912911F-AEE2-52A0-AF4E-E0EC16F859E4",
  "Resources": {
    "Resource": [
      {
        "MetricName": "ActiveConnection",
        "Periods": "60,300",
        "Description": "监听每秒活跃连接数",
        "Dimensions": "userId,instanceId,listenerPort,listenerProtocol",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"true\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"port\"}]",
        "Unit": "Count",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "DropConnection",
        "Periods": "60,300",
        "Description": "监听每秒丢失连接数",
        "Dimensions": "userId,instanceId,listenerPort,listenerProtocol",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"false\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"port\"}]",
        "Unit": "Count/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "DropPacketRX",
        "Periods": "60,300",
        "Description": "监听每秒丢失入包数",
        "Dimensions": "userId,instanceId,listenerPort,listenerProtocol",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"false\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"port\"}]",
        "Unit": "Count/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "DropPacketTX",
        "Periods": "60,300",
        "Description": "监听每秒丢失出包数",
        "Dimensions": "userId,instanceId,listenerPort,listenerProtocol",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"false\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"port\"}]",
        "Unit": "Count/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "DropTrafficRX",
        "Periods": "60,300",
        "Description": "监听每秒丢失入bit数",
        "Dimensions": "userId,instanceId,listenerPort,listenerProtocol",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"bits/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"false\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"port\"}]",
        "Unit": "bits/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "DropTrafficTX",
        "Periods": "60,300",
        "Description": "监听每秒丢失出bit数",
        "Dimensions": "userId,instanceId,listenerPort,listenerProtocol",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"bits/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"false\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"port\"}]",
        "Unit": "bits/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "InactiveConnection",
        "Periods": "60,300",
        "Description": "监听非活跃连接数",
        "Dimensions": "userId,instanceId,listenerPort,listenerProtocol",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"false\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"port\"}]",
        "Unit": "Count",
        "Statistics": "Sum",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "InstanceActiveConnection",
        "Periods": "60,300",
        "Description": "实例活跃连接数",
        "Dimensions": "userId,instanceId",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"true\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"instance\"}]",
        "Unit": "Count",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "InstanceDropConnection",
        "Periods": "60,300",
        "Description": "实例每秒丢弃连接数",
        "Dimensions": "userId,instanceId",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"true\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"instance\"}]",
        "Unit": "Count/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "InstanceDropPacketRX",
        "Periods": "60,300",
        "Description": "实例每秒丢弃入包数",
        "Dimensions": "userId,instanceId",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"false\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"instance\"}]",
        "Unit": "Count/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "InstanceDropPacketTX",
        "Periods": "60,300",
        "Description": "实例每秒丢弃出包数",
        "Dimensions": "userId,instanceId",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"false\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"instance\"}]",
        "Unit": "Count/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "InstanceDropTrafficRX",
        "Periods": "60,300",
        "Description": "实例每秒丢弃入bit数",
        "Dimensions": "userId,instanceId",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"bits/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"false\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"instance\"}]",
        "Unit": "bits/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "InstanceDropTrafficTX",
        "Periods": "60,300",
        "Description": "实例每秒丢弃出bit数",
        "Dimensions": "userId,instanceId",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"bits/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"false\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"instance\"}]",
        "Unit": "bits/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "InstanceInactiveConnection",
        "Periods": "60,300",
        "Description": "实例每秒非活跃连接数",
        "Dimensions": "userId,instanceId",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"false\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"instance\"}]",
        "Unit": "Count/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "InstanceMaxConnection",
        "Periods": "60,300",
        "Description": "实例每秒最大并发连接数",
        "Dimensions": "userId,instanceId",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"false\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"instance\"}]",
        "Unit": "Count/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "InstanceNewConnection",
        "Periods": "60,300",
        "Description": "实例每秒新建连接数",
        "Dimensions": "userId,instanceId",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"false\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"instance\"}]",
        "Unit": "Count/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "InstancePacketRX",
        "Periods": "60,300",
        "Description": "实例每秒入包数",
        "Dimensions": "userId,instanceId",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"false\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"instance\"}]",
        "Unit": "Count/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "InstancePacketTX",
        "Periods": "60,300",
        "Description": "实例每秒出包数",
        "Dimensions": "userId,instanceId",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"false\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"instance\"}]",
        "Unit": "Count/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "InstanceTrafficRX",
        "Periods": "60,300",
        "Description": "实例每秒入bit数",
        "Dimensions": "userId,instanceId",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"bits/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"true\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"instance\"}]",
        "Unit": "bits/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "InstanceTrafficTX",
        "Periods": "60,300",
        "Description": "实例每秒出bit数",
        "Dimensions": "userId,instanceId",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"bits/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"false\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"instance\"}]",
        "Unit": "bits/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "InstanceUnhealthyServerCount",
        "Periods": "60,300",
        "Description": "实例健康检查后端异常ECS实例个数",
        "Dimensions": "userId,instanceId",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"true\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"instance\"}]",
        "Unit": "Count",
        "Statistics": "Sum",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "ListenerHeathyServerCount",
        "Periods": "60,300",
        "Description": "监听健康检查后端健康ECS实例个数",
        "Dimensions": "userId,instanceId,listenerPort,listenerProtocol",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"true\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"port\"}]",
        "Unit": "Count",
        "Statistics": "Minimum",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "ListenerPacketRX",
        "Periods": "60,300",
        "Description": "监听每秒流入数据包数",
        "Dimensions": "userId,instanceId,listenerPort,listenerProtocol",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"false\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"port\"}]",
        "Unit": "Count/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "ListenerPacketTX",
        "Periods": "60,300",
        "Description": "监听每秒流出数据包数",
        "Dimensions": "userId,instanceId,listenerPort,listenerProtocol",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"false\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"port\"}]",
        "Unit": "Count/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "ListenerUnhealthyServerCount",
        "Periods": "60,300",
        "Description": "监听健康检查后端异常ECS实例个数",
        "Dimensions": "userId,instanceId,listenerPort,listenerProtocol",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"true\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"port\"}]",
        "Unit": "Count",
        "Statistics": "Maximum",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "MaxConnection",
        "Periods": "60,300",
        "Description": "监听每秒最大连接数",
        "Dimensions": "userId,instanceId,listenerPort,listenerProtocol",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"false\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"port\"}]",
        "Unit": "Count/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "NewConnection",
        "Periods": "60,300",
        "Description": "监听新建连接数",
        "Dimensions": "userId,instanceId,listenerPort,listenerProtocol",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"true\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"port\"}]",
        "Unit": "Count/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "NlbInstanceHeathyServerCount",
        "Periods": "60,300",
        "Description": "Nlb实例健康后端个数",
        "Dimensions": "userId,instanceId",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"Count\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"HighResolution\",\"value\":\"false\"},{\"name\":\"HighResolutionPeriod\",\"value\":\"\"},{\"name\":\"dataType\",\"value\":\"\"},{\"name\":\"DefaultTemplate\",\"value\":\"true\"},{\"name\":\"dashboardFlag\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"instance\"}]",
        "Unit": "Count",
        "Statistics": "Sum",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "TrafficRXNew",
        "Periods": "60,300",
        "Description": "监听每秒入bit数",
        "Dimensions": "userId,instanceId,listenerPort,listenerProtocol",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"bits/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"port\"}]",
        "Unit": "bits/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      },
      {
        "MetricName": "TrafficTXNew",
        "Periods": "60,300",
        "Description": "监听每秒出bit数",
        "Dimensions": "userId,instanceId,listenerPort,listenerProtocol",
        "Labels": "[{\"name\":\"minAlertPeriod\",\"value\":\"60\"},{\"name\":\"alertDefault\",\"value\":\"\"},{\"name\":\"unitFactor\",\"value\":\"1\"},{\"name\":\"alertUnit\",\"value\":\"bits/s\"},{\"name\":\"productCategory\",\"value\":\"nlb\"},{\"name\":\"is_alarm\",\"value\":\"true\"},{\"name\":\"metricCategory\",\"value\":\"port\"}]",
        "Unit": "bits/s",
        "Statistics": "Average",
        "Namespace": "acs_nlb"
      }
    ]
  },
  "Code": 200,
  "Success": true
}

DescribeMetricLast

调用DescribeMetricLast接口查询NLB指定监控对象的最新监控数据。本文以查看实例每秒新建连接数InstanceNewConnection的监控数据为例。详情请参见DescribeMetricLast。

登录OpenAPI开发者门户。
在请求参数中，设置查询InstanceNewConnection的以下请求参数，然后单击发起调用。
需要配置以下参数，其他参数可保持默认值。
- MetricName：监控项名称，本文设置为InstanceNewConnection。
- Dimensions：维度map，用于查询指定资源的监控数据，本文设置为[{"instanceId":"nlb-defs3vztfty3nm****"}]。
- Namespace：产品的数据命名空间，用于区分不同的产品，本文设置为acs_nlb。
查看请求示例
```
http(s)://[Endpoint]/?Action=DescribeMetricLast
&MetricName=InstanceNewConnection
&Namespace=acs_nlb
&Dimensions=[{"instanceId":"nlb-defs3vztfty3nm****"}]
&<公共请求参数>
```

根据返回参数，查看InstanceNewConnection的最新监控数据。

查看返回示例

{
  "RequestId": "7F96EE67-5172-567E-9A80-410705EC4A99",
  "Period": "60",
  "Datapoints": "[{\"timestamp\":1665479760000,\"instanceId\":\"nlb-defs3vztfty3nm****\",\"userId\":\"1461700914926653\",\"Average\":7.0}]",
  "Code": "200",
  "Success": true
}

DescribeMetricList

调用DescribeMetricList接口查询NLB指定时间段内的时序指标监控数据，本文以查看指定时间段的实例每秒最大并发连接数的监控数据为例，详情请参见DescribeMetricList。

登录OpenAPI开发者门户。
在请求参数中，设置查询指定时间内InstanceMaxConnection的监控数据的请求参数，然后单击发起调用。
需要配置以下参数，其他参数可保持默认值。
- MetricName：监控项名称。本文设置为InstanceMaxConnection。
- Namespace：产品的数据命名空间，用于区分不同的产品。本文设置为acs_nlb。
- Dimensions：维度map，用于查询指定资源的监控数据。本文设置为[{"instanceId":"nlb-q5515xt60rx5s2****"}]。
- StartTime：开始时间，StartTime不能等于或大于EndTime。本文设置为2022-10-13 20:45:03。
  支持格式：
  - Unix时间戳：从1970年1月1日开始所经过的毫秒数。
  - Format格式：YYYY-MM-DDThh:mm:ssZ。
- EndTime：结束时间，支持的格式和StartTime一致，本文设置为2022-10-13 20:47:03。
查看请求示例
```
http(s)://[Endpoint]/?Action=DescribeMetricList
&MetricName=InstanceMaxConnection
&Namespace=acs_nlb
&Dimensions=[{"instanceId":"nlb-q5515xt60rx5s2****"}]
&StartTime=2022-10-13 20:45:03
&EndTime=2022-10-13 20:47:03
&<公共请求参数>
```

根据返回参数，查看InstanceMaxConnection在指定时间内的监控数据。

查看返回示例

{
  "RequestId": "8FBB3D06-834C-57EA-B641-37538EB5FF4E",
  "Period": "60",
  "Datapoints": "[{\"timestamp\":1665665040000,\"instanceId\":\"nlb-q5515xt60rx5s2****\",\"userId\":\"1429972739299349\",\"Average\":3.9668172E7},{\"timestamp\":1665665100000,\"instanceId\":\"nlb-q5515xt60rx5s2****\",\"userId\":\"1429972739299349\",\"Average\":3.9668172E7}]",
  "Code": "200",
  "Success": true
}

通过SDK查看监控

介绍如何通过SDK查看NLB监控项和详细监控数据。本文以SDK调用DescribeMetricList接口查询NLB实例每秒最大并发连接数为例介绍。

您也可以下载SDK调用接口查看监控信息。更多信息，请参见SDK参考。

登录OpenAPI开发者门户。
在请求参数中，设置以下请求参数，其他参数可保持默认值。
- MetricName：监控项名称。本文设置为InstanceMaxConnection。
- Namespace：产品的数据命名空间，用于区分不同的产品。本文设置为acs_nlb。
- Dimensions：维度map，用于查询指定资源的监控数据。本文设置为[{"instanceId":"nlb-q5515xt60rx5s2****"}]。
- StartTime：开始时间，StartTime不能等于或大于EndTime。本文设置为2022-10-13 20:45:03。
  支持格式：
  - Unix时间戳：从1970年1月1日开始所经过的毫秒数。
  - Format格式：YYYY-MM-DDThh:mm:ssZ。
- EndTime：结束时间，支持的格式和StartTime一致，本文设置为2022-10-13 20:47:03。
选择SDK示例 > Python页签，单击运行示例。
在该接口运行页，在下方弹出的运行面板中查看运行结果。