Yip Leo

Generic metric router for multiple custom metric adapter and external metric adapter

2

## Describe the feature I see that custom metrics supports configuring remoteAdapter so that I can configure other business custom metrics. So why are the external metrics different?

ehpa supports predict with custom metrics

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## Describe the feature ehpa only supports predict with pod cpu currently. Can we support predict with custom metrics ?

add ContainerResourceSourceType for hpa metrics

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**What this PR does / why we need it**: kubernetes hpa support ContainerResourceSourceType(https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/#container-resource-metrics) since v1.20, but there is no metrics about it in the kube-state-metrics. The PR add ContainerResourceSourceType for...

In some frequently queried scenarios, such as hpa, the default api qps of client-go is relatively small, which will lead to frequent client-side throttle. We can support qps and burst...

feat: Add label about metric selector for kube_horizontalpodautoscaler_(spec/status)_target_metric

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**What this PR does / why we need it**: Currently, the indicator kube_horizontalpodautoscaler_spec_target_metric/kube_horizontalpodautoscaler_status_target_metric does not expose the metric selector field. If there is an hpa object, which has two metrics...

fix oom record sort

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#### What type of PR is this? bug fix #### What this PR does / why we need it: #### Which issue(s) this PR fixes: Fixes #844 #### Special notes...

tsp indicator isolated from ehpa

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#### What type of PR is this? optimize #### What this PR does / why we need it: Currently the tsp indicator is calculated in ehpaList. If the tsp is...

#### What type of PR is this? doc #### What this PR does / why we need it: fix katex for tsp doc #### Which issue(s) this PR fixes: Fixes...