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    Server Load Balancer:Integrate ALB with Managed Service for Prometheus

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    Server Load Balancer:Integrate ALB with Managed Service for Prometheus

    Last Updated:Dec 02, 2024

    Managed Service for Prometheus can provide monitoring data of Application Load Balancer (ALB) instances, including metrics, alerts, and dashboards. This topic describes how to integrate ALB with Managed Service for Prometheus.

    Overview

    Managed Service for Prometheus is a managed monitoring service that is fully interfaced with the open source Prometheus ecosystem. Managed Service for Prometheus monitors a wide array of components and provides multiple ready-to-use dashboards. For more information, see What is Managed Service for Prometheus?

    You can use Hybrid Cloud Monitoring to integrate ALB with Managed Service for Prometheus. You are charged for using Hybrid Cloud Monitoring, as described in the following table.

    Integration type

    Description

    Billing

    Storage fee

    Hybrid Cloud Monitoring (charged)

    Managed Service for Prometheus calls the CloudMonitor API to collect ALB metrics. If ALB is integrated with Managed Service for Prometheus and alert rules are created, Managed Service for Prometheus displays the monitoring data and alerts on dashboards.

    The data transfer fee generated by metric collection is charged by CloudMonitor.

    Managed Service for Prometheus stores collected metrics free of charge.

    Example:

    The following figure shows an example. The example is for reference only. The information on the buy page shall prevail.

    image..png

    Two listeners and three forwarding rules are created for the ALB instance. Each listener has 27 metrics, each instance has 27 metrics, each forwarding rule has 16 metrics, and each server group has 11 metrics.

    Total number of metrics per minute = 27 × 1 ALB instance + 27 × 2 listeners + 16 × 3 forwarding rules + 11 × 2 server groups = 151.

    Total number of data entries per day = 151 × 60 × 24 = 217,440.

    Prerequisites

    Create a Prometheus instance

    Important

    The monitoring data is collected every minute. Data at 1-second intervals refers to the average value within a minute. The average value is for reference only. If you want to view data at 1-second intervals, enable the access log feature for the ALB instance. For more information, see Access logs.

    1. Log on to the Managed Service for Prometheus console.

    2. In the top navigation bar, select a region. On the Managed Service for Prometheus > Instances page, click Create Prometheus Instance.

    3. On the Create Instance page, configure the parameters and click Create Now. The following table describes the parameters.

      Parameter

      Description

      Instance Type

      Select General-purpose Instance or Global Aggregation Instance.

      Note

      • General-purpose instance: A general-purpose Prometheus instance is used for the remote storage of self-managed Prometheus clusters, or to monitor metric data about containers, cloud services, and hosts.

      • Global aggregation instance: A global aggregation instance is used to aggregate multiple Prometheus instances or self-managed Prometheus clusters, query Prometheus metrics, and manage Grafana data sources and alerts in a unified manner.

      Storage Duration

      Select 90 Days or 180 Days.

    Integrate ALB with Managed Service for Prometheus

    1. Log on to the ARMS console.

    2. In the left-side navigation pane, choose Integration Center.

    3. On the Integration Center page, click Middleware and click Alibaba Cloud ALB.

    4. In the Alibaba Cloud ALB panel, select the region where your ALB instance is deployed and click OK. Wait for 1 to 2 minutes. Then, the ALB data is integrated.

    • Metric

      You can view ALB monitoring metrics on the Collect Metrics tab.

      ALB monitoring metrics supported by Managed Service for Prometheus

      Metric

      Description

      AliyunAlb_ListenerActiveConnection

      The number of active connections on the listener. Unit: Count

      AliyunAlb_ListenerClientTLSNegotiationError

      The number of connections that fail Transport Layer Security (TLS) handshakes per second on the listener. Unit: Count/s

      AliyunAlb_ListenerHTTPCode2XX

      The number of 2xx status codes per second on the listener. Unit: Count/s

      AliyunAlb_ListenerHTTPCode3XX

      The number of 3xx status codes per second on the listener. Unit: Count/s

      AliyunAlb_ListenerHTTPCode4XX

      The number of 4xx status codes per second on the listener. Unit: Count/s

      AliyunAlb_ListenerHTTPCode500

      The number of 500 status codes per second on the listener. Unit: Count/s

      AliyunAlb_ListenerHTTPCode502

      The number of 502 status codes per second on the listener. Unit: Count/s

      AliyunAlb_ListenerHTTPCode503

      The number of 503 status codes per second on the listener. Unit: Count/s

      AliyunAlb_ListenerHTTPCode504

      The number of 504 status codes per second on the listener. Unit: Count/s

      AliyunAlb_ListenerHTTPCode5XX

      The number of 5xx status codes per second on the listener. Unit: Count/s

      AliyunAlb_ListenerHTTPCodeUpstream2XX

      The number of 2xx status codes per second on the backend servers associated with the listener. Unit: Count/s

      AliyunAlb_ListenerHTTPCodeUpstream3XX

      The number of 3xx status codes per second on the backend servers associated with the listener. Unit: Count/s

      AliyunAlb_ListenerHTTPCodeUpstream4XX

      The number of 4xx status codes per second on the backend servers associated with the listener. Unit: Count/s

      AliyunAlb_ListenerHTTPCodeUpstream5XX

      The number of 5xx status codes per second on the backend servers associated with the listener. Unit: Count/s

      AliyunAlb_ListenerHTTPFixedResponse

      The number of custom responses per second on the listener. Unit: Count/s

      AliyunAlb_ListenerHTTPRedirect

      The number of redirects per second on the listener. Unit: Count/s

      AliyunAlb_ListenerHealthyHostCount

      The number of healthy servers associated with the listener. Unit: Count

      AliyunAlb_ListenerInBits

      The inbound bandwidth of the listener. Unit: bit/s

      AliyunAlb_ListenerInactiveConnection

      The number of inactive connections on the listener. Unit: Count/s

      AliyunAlb_ListenerMaxConnection

      The maximum number of concurrent connections per second on the listener. Unit Count/s

      AliyunAlb_ListenerNewConnection

      The number of new connections per second on the listener. Unit Count/s

      AliyunAlb_ListenerNonStickyRequest

      The number of nonsticky requests per second on the listener. Unit Count/s

      AliyunAlb_ListenerOutBits

      The outbound bandwidth of the listener. Unit: bit/s

      AliyunAlb_ListenerQPS

      The number of requests per second on the listener. Unit Count/s

      AliyunAlb_ListenerRejectedConnection

      The number of connections dropped per second on the listener. Unit Count/s

      AliyunAlb_ListenerRequestTime

      The request latency on the listener. Unit: ms

      AliyunAlb_ListenerUnHealthyHostCount

      The number of unhealthy servers associated with the listener. Unit Count

      AliyunAlb_ListenerUpstreamConnectionError

      The number of connection failures per second on the backend servers associated with the listener. Unit Count/s

      AliyunAlb_ListenerUpstreamResponseTime

      The response time of the backend servers associated with the listener. Unit: ms

      AliyunAlb_ListenerUpstreamTLSNegotiationError

      The number of TLS handshake failures per second on the backend servers associated with the listener. Unit Count/s

      AliyunAlb_LoadBalancerActiveConnection

      The number of active connections on the ALB instance. Unit Count

      AliyunAlb_LoadBalancerClientTLSNegotiationError

      The number of TLS handshake failures per second on the ALB instance. Unit Count/s

      AliyunAlb_LoadBalancerHTTPCode2XX

      The number of 2xx status codes per second on the ALB instance. Unit Count/s

      AliyunAlb_LoadBalancerHTTPCode3XX

      The number of 3xx status codes per second on the ALB instance. Unit Count/s

      AliyunAlb_LoadBalancerHTTPCode4XX

      The number of 4xx status codes per second on the ALB instance. Unit Count/s

      AliyunAlb_LoadBalancerHTTPCode500

      The number of 500 status codes per second on the ALB instance. Unit Count/s

      AliyunAlb_LoadBalancerHTTPCode502

      The number of 502 status codes per second on the ALB instance. Unit Count/s

      AliyunAlb_LoadBalancerHTTPCode503

      The number of 503 status codes per second on the ALB instance. Unit Count/s

      AliyunAlb_LoadBalancerHTTPCode504

      The number of 504 status codes per second on the ALB instance. Unit Count/s

      AliyunAlb_LoadBalancerHTTPCode5XX

      The number of 5xx status codes per second on the ALB instance. Unit Count/s

      AliyunAlb_LoadBalancerHTTPCodeUpstream2XX

      The number of 2xx status codes per second on the backend servers of the ALB instance. Unit Count/s

      AliyunAlb_LoadBalancerHTTPCodeUpstream3XX

      The number of 3xx status codes per second on the backend servers of the ALB instance. Unit Count/s

      AliyunAlb_LoadBalancerHTTPCodeUpstream4XX

      The number of 4xx status codes per second on the backend servers of the ALB instance. Unit Count/s

      AliyunAlb_LoadBalancerHTTPCodeUpstream5XX

      The number of 5xx status codes per second on the backend servers of the ALB instance. Unit Count/s

      AliyunAlb_LoadBalancerHTTPFixedResponse

      The number of custom responses per second on the ALB instance. Unit Count/s

      AliyunAlb_LoadBalancerHTTPRedirect

      The number of redirects per second on the ALB instance. Unit Count/s

      AliyunAlb_LoadBalancerHealthyHostCount

      The number of healthy servers associated with the ALB instance. Unit Count

      AliyunAlb_LoadBalancerInBits

      The inbound bandwidth of the ALB instance. Unit: bit/s

      AliyunAlb_LoadBalancerInactiveConnection

      The number of inactive connections to the ALB instance. Unit: Count/s

      AliyunAlb_LoadBalancerMaxConnection

      The maximum number of concurrent connections to the ALB instance per second. Unit: Count/s

      AliyunAlb_LoadBalancerNewConnection

      The number of new connections per second on the ALB instance. Unit: Count/s

      AliyunAlb_LoadBalancerNonStickyRequest

      The number of nonsticky requests per second on the ALB instance. Unit: Count/s

      AliyunAlb_LoadBalancerOutBits

      The outbound bandwidth of the ALB instance. Unit: bit/s

      AliyunAlb_LoadBalancerQPS

      The number of requests per second on the ALB instance. Unit: Count/s

      AliyunAlb_LoadBalancerRejectedConnection

      The number of connections dropped per second on the ALB instance. Unit: Count/s

      AliyunAlb_LoadBalancerRequestTime

      The request latency on the ALB instance. Unit: ms

      AliyunAlb_LoadBalancerUnHealthyHostCount

      The number of unhealthy servers associated with the ALB instance. Unit: Count

      AliyunAlb_LoadBalancerUpstreamConnectionError

      The number of connection failures per second on the backend servers of the ALB instance. Unit: Count/s

      AliyunAlb_LoadBalancerUpstreamResponseTime

      The response time of the backend servers of the ALB instance. Unit: ms

      AliyunAlb_LoadBalancerUpstreamTLSNegotiationError

      The number of TLS handshake failures per second on the backend servers of the ALB instance. Unit: Count/s

      AliyunAlb_RuleHTTPCodeUpstream2XX

      The number of 2xx status codes per second on the backend servers associated with the forwarding rule. Unit: Count/s

      AliyunAlb_RuleHTTPCodeUpstream3XX

      The number of 3xx status codes per second on the backend servers associated with the forwarding rule. Unit: Count/s

      AliyunAlb_RuleHTTPCodeUpstream4XX

      The number of 4xx status codes per second on the backend servers associated with the forwarding rule. Unit: Count/s

      AliyunAlb_RuleHTTPCodeUpstream5XX

      The number of 5xx status codes per second on the backend servers associated with the forwarding rule. Unit: Count/s

      AliyunAlb_RuleHealthyHostCount

      The number of healthy servers associated with the forwarding rule. Unit: Count

      AliyunAlb_RuleNonStickyRequest

      The number of nonsticky requests per second that match the forwarding rule. Unit: Count/s

      AliyunAlb_RuleQPS

      The number of requests that match the forwarding rule per second. Unit: Count/s

      AliyunAlb_RuleRequestTime

      The forwarding rule request latency. Unit: ms

      AliyunAlb_RuleUnHealthyHostCount

      The number of unhealthy servers associated with the forwarding rule. Unit: Count

      AliyunAlb_RuleUpstreamConnectionError

      The number of connection failures per second on the backend servers associated with the forwarding rule. Unit: Count/s

      AliyunAlb_RuleUpstreamResponseTime

      The response time of the backend servers associated with the forwarding rule. Unit: ms

      AliyunAlb_RuleUpstreamTLSNegotiationError

      The number of TLS handshake failures per second on the backend servers associated with the forwarding rule. Unit: Count/s

      AliyunAlb_ServerGroupHTTPCodeUpstream2XX

      The number of 2xx status codes returned by the backend server group per second. Unit: Count/s

      AliyunAlb_ServerGroupHTTPCodeUpstream3XX

      The number of 3xx status codes returned by the backend server group per second. Unit: Count/s

      AliyunAlb_ServerGroupHTTPCodeUpstream4XX

      The number of 4xx status codes returned by the backend server group per second. Unit: Count/s

      AliyunAlb_ServerGroupHTTPCodeUpstream5XX

      The number of 5xx status codes returned by the backend server group per second. Unit: Count/s

      AliyunAlb_ServerGroupHealthyHostCount

      The number of healthy servers in the server group. Unit: Count

      AliyunAlb_ServerGroupNonStickyRequest

      The number of nonsticky requests sent to the server group. Unit: Count/s

      AliyunAlb_ServerGroupRequestTime

      The request latency in the server group. Unit: ms

      AliyunAlb_ServerGroupQPS

      The number of requests sent to the server group per second. Unit: Count/s

      AliyunAlb_ServerGroupUnHealthyHostCount

      The number of unhealthy servers in the server group. Unit: Count

      AliyunAlb_ServerGroupUpstreamConnectionError

      The number of connection failures per second of the server group. Unit: Count/s

      AliyunAlb_ServerGroupUpstreamResponseTime

      The response time of the server group. Unit: ms

      AliyunAlb_ServerGroupUpstreamTLSNegotiationError

      The number of TLS handshake failures per second of the server group. Unit: Count/s

      AliyunAlb_RuleHTTPCodeUpstream2XXRatio

      The percentage of 2xx status codes per second on the backend servers associated with the forwarding rule. Unit: %

      AliyunAlb_RuleHTTPCodeUpstream3XXRatio

      The percentage of 3xx status codes per second on the backend servers associated with the forwarding rule. Unit: %

      AliyunAlb_RuleHTTPCodeUpstream4XXRatio

      The percentage of 4xx status codes per second on the backend servers associated with the forwarding rule. Unit: %

      AliyunAlb_RuleHTTPCodeUpstream5XXRatio

      The percentage of 5xx status codes per second on the backend servers associated with the forwarding rule. Unit: %

      AliyunAlb_VipActiveConnection

      The number of active connections to the virtual IP address (VIP). Unit: Count

      AliyunAlb_VipClientTLSNegotiationError

      The number of TLS handshake failed connections per second to the VIP. Unit: Count/s

      AliyunAlb_VipHTTPCode2XX

      The number of 2XX status codes per second in the VIP. Unit: Count/s

      AliyunAlb_VipHTTPCode3XX

      The number of 3XX status codes per second in the VIP. Unit: Count/s

      AliyunAlb_VipHTTPCode4XX

      The number of 4XX status codes per second in the VIP. Unit: Count/s

      AliyunAlb_VipHTTPCode500

      The number of 500 status codes per second in the VIP. Unit: Count/s

      AliyunAlb_VipHTTPCode502

      The number of 502 status codes per second in the VIP. Unit: Count/s

      AliyunAlb_VipHTTPCode503

      The number of 503 status codes per second in the VIP. Unit: Count/s

      AliyunAlb_VipHTTPCode504

      The number of 504 status codes per second in the VIP. Unit: Count/s

      AliyunAlb_VipHTTPCode5XX

      The number of 5XX status codes per second in the VIP. Unit: Count/s

      AliyunAlb_VipHTTPFixedResponse

      The number of custom responses per second in the VIP. Unit: Count/s

      AliyunAlb_VipHTTPRedirect

      The number of redirections per second in the VIP. Unit: Count/s

      AliyunAlb_VipInBits

      The inbound bandwidth in the VIP. Unit: bit/s

      AliyunAlb_VipInactiveConnection

      The number of inactive connections to the VIP. Unit: Count/s

      AliyunAlb_VipMaxConnection

      The maximum number of concurrent connections per second to the VIP. Unit: Count/s

      AliyunAlb_VipNewConnection

      The number of new connections per second to the VIP. Unit: Count/s

      AliyunAlb_VipNonStickyRequest

      The number of nonsticky requests per second in the VIP. Unit: Count/s

      AliyunAlb_VipOutBits

      The outbound bandwidth in the VIP. Unit: bit/s

      AliyunAlb_VipQPS

      The number of requests per second in the VIP. Unit: Count/s

      AliyunAlb_VipRejectedConnection

      The number of dropped connections per second to the VIP. Unit: Count/s

      AliyunAlb_VipRequestTime

      The request latency in the VIP. Unit: ms

      AliyunAlb_VipUpstreamConnectionError

      The number of failed connections per second to the backend server group associated with the VIP. Unit: Count/s

      AliyunAlb_VipUpstreamResponseTime

      The response time of the backend server group associated with the VIP. Unit: ms

      AliyunAlb_VipUpstreamTLSNegotiationError

      The number of TLS handshake failures in the backend server group associated with the VIP. Unit: Count/s

      Note

      • Percentage: the ratio of data entries generated by the metric to the total number of data entries.

      • Data entries: the number of data entries that are generated by the metric and persisted within the last 10 minutes.

    • Dashboard

      On the Start Integration tab, click Integration Management. On the page that appears, on the Component Management tab, click Dashboards and click ALB. You can view the ALB monitoring data.

    • Alerts

      On the Alert Rule Template tab, you can create Prometheus alert rules and view alert information. For more information, see Create an alert rule for a Prometheus instance.

    Use a third-party Prometheus library

    After ALB is integrated with Managed Service for Prometheus, you can use the remote write feature to load a third-party Prometheus library. For more information, see Create a Prometheus instance for remote write.

    Disable monitoring on ALB

    1. Log on to the Managed Service for Prometheus console.

    2. On the Instances page, in the top navigation bar, select the region where your Prometheus instance is deployed, find the Prometheus instance that you want to manage, and click Uninstall in the Actions column.

    3. In the message that appears, click OK.

    References