How to Track Incoming Requests on AWS NLB Balancer

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If you want to see how many requests are coming into your Network Load Balancer, the best way is to check the Amazon CloudWatch metrics. Follow these simple steps to get the data you need:

First, go to the CloudWatch console by visiting this link: https://console.aws.amazon.com/cloudwatch/. Once there, look for the “Metrics” section in the menu on the left side and click on it.

Next, find and select the “NetworkELB” namespace. This will show you all the metrics related to your Load Balancers.

To monitor incoming requests, look for the “NewFlowCount” metric. This tells you the total number of new connections made from clients to your targets. There are different versions of this metric depending on the type of connection:
– NewFlowCount (total)
– NewFlowCount_TCP (for TCP connections)
– NewFlowCount_TLS (for TLS connections)
– NewFlowCount_UDP (for UDP connections)
– NewFlowCount_QUIC (for QUIC connections)

You can narrow down the data further by adding filters. For example, you can filter by:
– LoadBalancer (specific to one load balancer)
– AvailabilityZone (to see data per zone)
– TargetGroup (to focus on a particular group of targets)

If you want to see all data for that metric without filtering, simply type “NewFlowCount” into the search bar.

The metrics are updated every 60 seconds, giving you a clear view of your traffic patterns over time. This way, you can easily monitor how many requests your network load balancer is handling at any given moment.

Sources for more details include the AWS documentation on CloudWatch metrics for Network Load Balancers and how to monitor them effectively.