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Like Prometheus, but for logs.
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loki/docs/sources/installation/sizing/index.md

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Size the cluster Size the cluster This tool generates a Helm Chart values.yaml file based on expected ingestion, retention rate, and node type, to help size your Grafana deployment. [/docs/installation/helm/generate] 100 []

Size the cluster

This tool helps to generate a Helm Charts values.yaml file based on specified expected ingestion, retention rate and node type. It will always configure a [scalable]({{< relref "../../get-started/deployment-modes#simple-scalable-deployment-mode" >}}) deployment. The storage needs to be configured after generation.

{{ node }}
GB/day
days
Read Replicas Write Replicas Nodes Cores Memory
{{ clusterSize.TotalReadReplicas }} {{ clusterSize.TotalWriteReplicas }} {{ clusterSize.TotalNodes}} {{ clusterSize.TotalCoresRequest}} {{ clusterSize.TotalMemoryRequest}} GB

Generate and download values file

Defines the log volume in gigabytes, ie 1e+9 bytes, expected to be ingested each day. Defines the node type of the Kubernetes cluster. Is a vendor or type missing? If so, add it to pkg/sizing/node.go. Defines how long the ingested logs should be kept. Defines the expected query performance. Basic is sized for a max query throughput of around 3GB/s. Super aims for 25% more throughput.