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content/ja/splunk4rookies/observability-cloud/30-im-exercise/2-im-exercise.md

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@@ -9,36 +9,36 @@ This is Part 2, of the Infrastructure Monitoring exercise, you should now have a
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![Alt Cluster](../images/k8s-cluster.png)
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* In the Kubernetes Navigator, the cluster is represented by the square with the black line around it.
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* It will contain one or more blue squares representing the node(s) or compute engines.
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* Each of them containing one or more colored boxes that represent Pods. (this is where your services run in).
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* And as you can guess, **green** means healthy and **red** means that there is a problem.
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- In the Kubernetes Navigator, the cluster is represented by the square with the black line around it.
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- It will contain one or more blue squares representing the node(s) or compute engines.
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- Each of them containing one or more colored boxes that represent Pods. (this is where your services run in).
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- And as you can guess, **green** means healthy and **red** means that there is a problem.
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Given there are two red boxes or tiles, let's see what is going on and if this will affect our Online Boutique site.
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{{% notice title="Exercise" style="green" icon="running" %}}
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* First, set the time window we are working with to the last 15 minutes. You do this by changing the the Time picker in the filter pane from **-4h** to **Last 15 minutes**.
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* Hover with your mouse over the Cluster, Node and pods, both **green** and **red** ones.
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* The resulting information pane that appears will tell you the state of the object. Note, That the **red** Pods show that they are in **Pod Phase: Failed**. This means they have crashed and are not working.
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* Examine the Cluster Metric charts that provide information on your cluster. (The charts below the cluster image). They provide general information about the health of your cluster like Memory consumption and the number of pods per node.
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* Nothing flags for the **red** pods, as crashed pods do not affect the performance of Kubernetes.
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* Let's check if the Spunk Kubernetes Analyzer can tell us something more useful, so click on **K8s Analyzer**.
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{{% notice title=" Spunk Kubernetes Analyzer" style="info" %}}
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- First, set the time window we are working with to the last 15 minutes. You do this by changing the the Time picker in the filter pane from **-4h** to **Last 15 minutes**.
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- Hover with your mouse over the Cluster, Node and pods, both **green** and **red** ones.
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- The resulting information pane that appears will tell you the state of the object. Note, That the **red** Pods show that they are in **Pod Phase: Failed**. This means they have crashed and are not working.
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- Examine the Cluster Metric charts that provide information on your cluster. (The charts below the cluster image). They provide general information about the health of your cluster like Memory consumption and the number of pods per node.
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- Nothing flags for the **red** pods, as crashed pods do not affect the performance of Kubernetes.
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- Let's check if the Spunk Kubernetes Analyzer can tell us something more useful, so click on **K8s Analyzer**.
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{{% notice title=" Spunk Kubernetes Analyzer" style="info" %}}
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The Splunk Kubernetes Analyzer is a smart process that runs in the background in Splunk Observability Cloud and is designed to detect relations between anomalies.
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The Splunk Kubernetes Analyzer is a smart process that runs in the background in Splunk Observability Cloud and is designed to detect relations between anomalies.
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{{% /notice %}}
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* The **K8s Analyzer** should have detected that the two **red** pods are similar, indicated by the 2 after each line, and running in the same Namespace.
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* In the K8s analyzer view can you find what namespace? (hint, look for `k8s.namespace.name`).
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* Next, we want to check this on the node level as well, so drill down to the node, first by hovering your mouse over the cluster until you see a blue line appear around the node with a ![blue triangle ](../images/node-blue-traingle.png?classes=inline) in the left top, inside the black Cluster Line.
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* Click on the triangle . Your view should now show little boxes in each pod, these represent the containers that run the actual code. The *K8s Analyzer* should confirm that this issue is also occurring on the node level.
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- The **K8s Analyzer** should have detected that the two **red** pods are similar, indicated by the 2 after each line, and running in the same Namespace.
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- In the K8s analyzer view can you find what namespace? (hint, look for `k8s.namespace.name`).
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- Next, we want to check this on the node level as well, so drill down to the node, first by hovering your mouse over the cluster until you see a blue line appear around the node with a ![blue triangle ](../images/node-blue-traingle.png?classes=inline) in the left top, inside the black Cluster Line.
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- Click on the triangle . Your view should now show little boxes in each pod, these represent the containers that run the actual code. The _K8s Analyzer_ should confirm that this issue is also occurring on the node level.
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![Analyser result](../images/k8s-analyser-result.png?width=20vw)
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* Click on **K8s node**. This will show the node metrics, and if you examine the charts, you can see that there are only two pods in the development namespace.
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* It is easier to see if you filter on the `k8s.namespace.name=development` in the Filter Pane. The **# Total Pods** chart shows only two pods and in the **Node Workload** chart there is only the *test-job* and it has failed.
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- Click on **K8s node**. This will show the node metrics, and if you examine the charts, you can see that there are only two pods in the development namespace.
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- It is easier to see if you filter on the `k8s.namespace.name=development` in the Filter Pane. The **# Total Pods** chart shows only two pods and in the **Node Workload** chart there is only the _test-job_ and it has failed.
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{{% notice title="Spunk Kubernetes Analyzer" style="info" %}}
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