neils-dev commented on PR #3781:
URL: https://github.com/apache/ozone/pull/3781#issuecomment-1281536891
JMX and prom metrics collected for monitoring decommissioning and
maintenance mode workflow updated to included collecting metrics by host.
Examples of metrics captured follow.
JMX sample with hosts _**ozone-datanode-3.ozone_default**_ and
_**ozone-datanode-1.ozone_default**_ :
```
"modelerType" : "NodeDecommissionMetrics",
"tag.Context" : "ozone",
"tag.Hostname" : "e8772c7d7c4c",
"TrackedDecommissioningMaintenanceNodesTotal" : 1,
"TrackedRecommissionNodesTotal" : 0,
"TrackedPipelinesWaitingToCloseTotal" : 2,
"TrackedContainersUnderReplicatedTotal" : 0,
"TrackedContainersUnhealthyTotal" : 0,
"TrackedContainersSufficientlyReplicatedTotal" : 0,
"TrackedContainersSufficientlyReplicatedTotal" : 0,
"TrackedContainersUnderReplicatedTotal" : 0,
"TrackedContainersUnhealthyTotal" : 0,
"TrackedDecommissioningMaintenanceNodesTotal" : 1,
"TrackedPipelinesWaitingToCloseTotal" : 2,
"TrackedRecommissionNodesTotal" : 0,
"trackedPipelinesWaitingToClose-ozone-datanode-3.ozone_default" : 0,
"trackedSufficientlyReplicated-ozone-datanode-3.ozone_default" : 0,
"trackedUnderReplicated-ozone-datanode-3.ozone_default" : 0,
"trackedUnhealthyContainers-ozone-datanode-3.ozone_default" : 0,
"trackedPipelinesWaitingToClose-ozone-datanode-1.ozone_default" : 2
}, {
```
And, prom endpoint capturing decommissioning datanodes 3 and 1 in captured
image:
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