helm-charts

Victoria Metrics Helm Chart for Cluster Version

Victoria Metrics Cluster version - high-performance, cost-effective and scalable TSDB, long-term remote storage for Prometheus

Prerequisites

• Install the follow packages: git, kubectl, helm, helm-docs. See this tutorial.

• PV support on underlying infrastructure

Chart Details

Note: this chart installs VictoriaMetrics cluster components such as vminsert, vmselect and vmstorage. It doesn’t create or configure metrics scraping. If you are looking for a chart to configure monitoring stack in cluster check out victoria-metrics-k8s-stack chart.

How to install

Access a Kubernetes cluster.

Add a chart helm repository with follow commands:

helm repo add vm https://victoriametrics.github.io/helm-charts/

helm repo update

List versions of vm/victoria-metrics-cluster chart available to installation:

helm search repo vm/victoria-metrics-cluster -l

Export default values of victoria-metrics-cluster chart to file values.yaml:

helm show values vm/victoria-metrics-cluster > values.yaml

Change the values according to the need of the environment in values.yaml file.

Test the installation with command:

helm install vmcluster vm/victoria-metrics-cluster -f values.yaml -n NAMESPACE --debug --dry-run

Install chart with command:

helm install vmcluster vm/victoria-metrics-cluster -f values.yaml -n NAMESPACE

Get the pods lists by running this commands:

kubectl get pods -A | grep 'vminsert\|vmselect\|vmstorage'

Get the application by running this command:

helm list -f vmcluster -n NAMESPACE

See the history of versions of vmcluster application with command.

helm history vmcluster -n NAMESPACE

How to uninstall

Remove application with command.

helm uninstall vmcluster -n NAMESPACE

Documentation of Helm Chart

Install helm-docs following the instructions on this tutorial.

Generate docs with helm-docs command.

cd charts/victoria-metrics-cluster

helm-docs

The markdown generation is entirely go template driven. The tool parses metadata from charts and generates a number of sub-templates that can be referenced in a template file (by default README.md.gotmpl). If no template file is provided, the tool has a default internal template that will generate a reasonably formatted README.

Parameters

The following tables lists the configurable parameters of the chart and their default values.

Change the values according to the need of the environment in victoria-metrics-cluster/values.yaml file.

Key	Type	Default	Description
clusterDomainSuffix	string	"cluster.local"	k8s cluster domain suffix, uses for building storage pods’ FQDN. Ref: https://kubernetes.io/docs/tasks/administer-cluster/dns-custom-nameservers/
extraObjects	list	[]	Add extra specs dynamically to this chart
extraSecrets	list	[]
global.compatibility.openshift.adaptSecurityContext	string	"auto"
license	object	{"key":"","secret":{"key":"","name":""}}	Enterprise license key configuration for VictoriaMetrics enterprise. Required only for VictoriaMetrics enterprise. Documentation - https://docs.victoriametrics.com/enterprise.html, for more information, visit https://victoriametrics.com/products/enterprise/ . To request a trial license, go to https://victoriametrics.com/products/enterprise/trial/ Supported starting from VictoriaMetrics v1.94.0
license.key	string	""	License key
license.secret	object	{"key":"","name":""}	Use existing secret with license key
license.secret.key	string	""	Key in secret with license key
license.secret.name	string	""	Existing secret name
printNotes	bool	true
rbac.create	bool	true
rbac.extraLabels	object	{}
rbac.namespaced	bool	false
rbac.pspEnabled	bool	true
serviceAccount.automountToken	bool	true
serviceAccount.create	bool	true
serviceAccount.extraLabels	object	{}
vminsert.affinity	object	{}	Pod affinity
vminsert.annotations	object	{}
vminsert.automountServiceAccountToken	bool	true
vminsert.containerWorkingDir	string	""	Container workdir
vminsert.enabled	bool	true	Enable deployment of vminsert component. Deployment is used
vminsert.env	list	[]	Additional environment variables (ex.: secret tokens, flags) https://github.com/VictoriaMetrics/VictoriaMetrics#environment-variables
vminsert.envFrom	list	[]
vminsert.extraArgs.”envflag.enable”	string	"true"
vminsert.extraArgs.”envflag.prefix”	string	"VM_"
vminsert.extraArgs.loggerFormat	string	"json"
vminsert.extraContainers	list	[]
vminsert.extraLabels	object	{}
vminsert.extraVolumeMounts	list	[]
vminsert.extraVolumes	list	[]
vminsert.fullnameOverride	string	""	Overrides the full name of vminsert component
vminsert.horizontalPodAutoscaler.behavior	object	{}	Behavior settings for scaling by the HPA
vminsert.horizontalPodAutoscaler.enabled	bool	false	Use HPA for vminsert component
vminsert.horizontalPodAutoscaler.maxReplicas	int	10	Maximum replicas for HPA to use to to scale the vminsert component
vminsert.horizontalPodAutoscaler.metrics	list	[]	Metric for HPA to use to scale the vminsert component
vminsert.horizontalPodAutoscaler.minReplicas	int	2	Minimum replicas for HPA to use to scale the vminsert component
vminsert.image.pullPolicy	string	"IfNotPresent"	Image pull policy
vminsert.image.repository	string	"victoriametrics/vminsert"	Image repository
vminsert.image.tag	string	"v1.101.0-cluster"	Image tag
vminsert.ingress.annotations	object	{}	Ingress annotations
vminsert.ingress.enabled	bool	false	Enable deployment of ingress for vminsert component
vminsert.ingress.extraLabels	object	{}
vminsert.ingress.hosts	list	[]	Array of host objects
vminsert.ingress.pathType	string	"Prefix"	pathType is only for k8s >= 1.1=
vminsert.ingress.tls	list	[]	Array of TLS objects
vminsert.initContainers	list	[]
vminsert.name	string	"vminsert"	vminsert container name
vminsert.nodeSelector	object	{}	Pod’s node selector. Ref: https://kubernetes.io/docs/user-guide/node-selection/
vminsert.podAnnotations	object	{}	Pod’s annotations
vminsert.podDisruptionBudget.enabled	bool	false	See kubectl explain poddisruptionbudget.spec for more. Ref: https://kubernetes.io/docs/tasks/run-application/configure-pdb/
vminsert.podDisruptionBudget.labels	object	{}
vminsert.podSecurityContext.enabled	bool	false
vminsert.ports.name	string	"http"
vminsert.priorityClassName	string	""	Name of Priority Class
vminsert.probe.liveness.failureThreshold	int	3
vminsert.probe.liveness.initialDelaySeconds	int	5
vminsert.probe.liveness.periodSeconds	int	15
vminsert.probe.liveness.timeoutSeconds	int	5
vminsert.probe.readiness.failureThreshold	int	3
vminsert.probe.readiness.initialDelaySeconds	int	5
vminsert.probe.readiness.periodSeconds	int	15
vminsert.probe.readiness.timeoutSeconds	int	5
vminsert.replicaCount	int	2	Count of vminsert pods
vminsert.resources	object	{}	Resource object
vminsert.securityContext	object	{"enabled":false}	Pod’s security context. Ref: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/
vminsert.service.annotations	object	{}	Service annotations
vminsert.service.clusterIP	string	""	Service ClusterIP
vminsert.service.externalIPs	list	[]	Service External IPs. Ref: https://kubernetes.io/docs/user-guide/services/#external-ips
vminsert.service.extraPorts	list	[]	Extra service ports
vminsert.service.labels	object	{}	Service labels
vminsert.service.loadBalancerIP	string	""	Service load balancer IP
vminsert.service.loadBalancerSourceRanges	list	[]	Load balancer source range
vminsert.service.servicePort	int	8480	Service port
vminsert.service.targetPort	string	"http"	Target port
vminsert.service.type	string	"ClusterIP"	Service type
vminsert.service.udp	bool	false	Make sure that service is not type “LoadBalancer”, as it requires “MixedProtocolLBService” feature gate. ref: https://kubernetes.io/docs/reference/command-line-tools-reference/feature-gates/
vminsert.serviceMonitor.annotations	object	{}	Service Monitor annotations
vminsert.serviceMonitor.enabled	bool	false	Enable deployment of Service Monitor for vminsert component. This is Prometheus operator object
vminsert.serviceMonitor.extraLabels	object	{}	Service Monitor labels
vminsert.serviceMonitor.metricRelabelings	list	[]	Service Monitor metricRelabelings
vminsert.serviceMonitor.namespace	string	""	Target namespace of ServiceMonitor manifest
vminsert.serviceMonitor.relabelings	list	[]	Service Monitor relabelings
vminsert.strategy	object	{}
vminsert.suppressStorageFQDNsRender	bool	false	Suppress rendering --storageNode FQDNs based on vmstorage.replicaCount value. If true suppress rendering --storageNodes, they can be re-defined in extraArgs
vminsert.tolerations	list	[]	Array of tolerations object. Ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/
vminsert.topologySpreadConstraints	list	[]	Pod topologySpreadConstraints
vmselect.affinity	object	{}	Pod affinity
vmselect.annotations	object	{}
vmselect.automountServiceAccountToken	bool	true
vmselect.cacheMountPath	string	"/cache"	Cache root folder
vmselect.containerWorkingDir	string	""	Container workdir
vmselect.enabled	bool	true	Enable deployment of vmselect component. Can be deployed as Deployment(default) or StatefulSet
vmselect.env	list	[]	Additional environment variables (ex.: secret tokens, flags) https://github.com/VictoriaMetrics/VictoriaMetrics#environment-variables
vmselect.envFrom	list	[]
vmselect.extraArgs.”envflag.enable”	string	"true"
vmselect.extraArgs.”envflag.prefix”	string	"VM_"
vmselect.extraArgs.loggerFormat	string	"json"
vmselect.extraContainers	list	[]
vmselect.extraHostPathMounts	list	[]
vmselect.extraLabels	object	{}
vmselect.extraVolumeMounts	list	[]
vmselect.extraVolumes	list	[]
vmselect.fullnameOverride	string	""	Overrides the full name of vmselect component
vmselect.horizontalPodAutoscaler.behavior	object	{}	Behavior settings for scaling by the HPA
vmselect.horizontalPodAutoscaler.enabled	bool	false	Use HPA for vmselect component
vmselect.horizontalPodAutoscaler.maxReplicas	int	10	Maximum replicas for HPA to use to to scale the vmselect component
vmselect.horizontalPodAutoscaler.metrics	list	[]	Metric for HPA to use to scale the vmselect component
vmselect.horizontalPodAutoscaler.minReplicas	int	2	Minimum replicas for HPA to use to scale the vmselect component
vmselect.image.pullPolicy	string	"IfNotPresent"	Image pull policy
vmselect.image.repository	string	"victoriametrics/vmselect"	Image repository
vmselect.image.tag	string	"v1.101.0-cluster"	Image tag
vmselect.ingress.annotations	object	{}	Ingress annotations
vmselect.ingress.enabled	bool	false	Enable deployment of ingress for vmselect component
vmselect.ingress.extraLabels	object	{}
vmselect.ingress.hosts	list	[]	Array of host objects
vmselect.ingress.pathType	string	"Prefix"	pathType is only for k8s >= 1.1=
vmselect.ingress.tls	list	[]	Array of TLS objects
vmselect.initContainers	list	[]
vmselect.name	string	"vmselect"	Vmselect container name
vmselect.nodeSelector	object	{}	Pod’s node selector. Ref: https://kubernetes.io/docs/user-guide/node-selection/
vmselect.persistentVolume.accessModes	list	["ReadWriteOnce"]	Array of access mode. Must match those of existing PV or dynamic provisioner. Ref: http://kubernetes.io/docs/user-guide/persistent-volumes/
vmselect.persistentVolume.annotations	object	{}	Persistent volume annotations
vmselect.persistentVolume.enabled	bool	false	Create/use Persistent Volume Claim for vmselect component. Empty dir if false. If true, vmselect will create/use a Persistent Volume Claim
vmselect.persistentVolume.existingClaim	string	""	Existing Claim name. Requires vmselect.persistentVolume.enabled: true. If defined, PVC must be created manually before volume will be bound
vmselect.persistentVolume.labels	object	{}	Persistent volume labels
vmselect.persistentVolume.size	string	"2Gi"	Size of the volume. Better to set the same as resource limit memory property
vmselect.persistentVolume.subPath	string	""	Mount subpath
vmselect.podAnnotations	object	{}	Pod’s annotations
vmselect.podDisruptionBudget.enabled	bool	false	See kubectl explain poddisruptionbudget.spec for more. Ref: https://kubernetes.io/docs/tasks/run-application/configure-pdb/
vmselect.podDisruptionBudget.labels	object	{}
vmselect.podSecurityContext.enabled	bool	true
vmselect.ports.name	string	"http"
vmselect.priorityClassName	string	""	Name of Priority Class
vmselect.probe.liveness.failureThreshold	int	3
vmselect.probe.liveness.initialDelaySeconds	int	5
vmselect.probe.liveness.periodSeconds	int	15
vmselect.probe.liveness.timeoutSeconds	int	5
vmselect.probe.readiness.failureThreshold	int	3
vmselect.probe.readiness.initialDelaySeconds	int	5
vmselect.probe.readiness.periodSeconds	int	15
vmselect.probe.readiness.timeoutSeconds	int	5
vmselect.replicaCount	int	2	Count of vmselect pods
vmselect.resources	object	{}	Resource object
vmselect.securityContext	object	{"enabled":true}	Pod’s security context. Ref: [https://kubernetes.io/docs/tasks/configure-pod-container/security-context/](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/
vmselect.service.annotations	object	{}	Service annotations
vmselect.service.clusterIP	string	""	Service ClusterIP
vmselect.service.externalIPs	list	[]	Service External IPs. Ref: https://kubernetes.io/docs/user-guide/services/#external-ips
vmselect.service.extraPorts	list	[]	Extra service ports
vmselect.service.labels	object	{}	Service labels
vmselect.service.loadBalancerIP	string	""	Service load balacner IP
vmselect.service.loadBalancerSourceRanges	list	[]	Load balancer source range
vmselect.service.servicePort	int	8481	Service port
vmselect.service.targetPort	string	"http"	Target port
vmselect.service.type	string	"ClusterIP"	Service type
vmselect.serviceMonitor.annotations	object	{}	Service Monitor annotations
vmselect.serviceMonitor.enabled	bool	false	Enable deployment of Service Monitor for vmselect component. This is Prometheus operator object
vmselect.serviceMonitor.extraLabels	object	{}	Service Monitor labels
vmselect.serviceMonitor.metricRelabelings	list	[]	Service Monitor metricRelabelings
vmselect.serviceMonitor.namespace	string	""	Target namespace of ServiceMonitor manifest
vmselect.serviceMonitor.relabelings	list	[]	Service Monitor relabelings
vmselect.statefulSet.enabled	bool	false	Deploy StatefulSet instead of Deployment for vmselect. Useful if you want to keep cache data.
vmselect.statefulSet.podManagementPolicy	string	"OrderedReady"	Deploy order policy for StatefulSet pods
vmselect.statefulSet.service.annotations	object	{}	Headless service annotations
vmselect.statefulSet.service.labels	object	{}	Headless service labels
vmselect.statefulSet.service.servicePort	int	8481	Headless service port
vmselect.strategy	object	{}
vmselect.suppressStorageFQDNsRender	bool	false	Suppress rendering --storageNode FQDNs based on vmstorage.replicaCount value. If true suppress rendering --storageNodes, they can be re-defined in extraArgs
vmselect.tolerations	list	[]	Array of tolerations object. Ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/
vmselect.topologySpreadConstraints	list	[]	Pod topologySpreadConstraints
vmstorage.affinity	object	{}	Pod affinity
vmstorage.annotations	object	{}
vmstorage.automountServiceAccountToken	bool	true
vmstorage.containerWorkingDir	string	""	Container workdir
vmstorage.enabled	bool	true	Enable deployment of vmstorage component. StatefulSet is used
vmstorage.env	list	[]	Additional environment variables (ex.: secret tokens, flags) https://github.com/VictoriaMetrics/VictoriaMetrics#environment-variables
vmstorage.envFrom	list	[]
vmstorage.extraArgs.”envflag.enable”	string	"true"
vmstorage.extraArgs.”envflag.prefix”	string	"VM_"
vmstorage.extraArgs.loggerFormat	string	"json"
vmstorage.extraContainers	list	[]
vmstorage.extraHostPathMounts	list	[]
vmstorage.extraLabels	object	{}
vmstorage.extraSecretMounts	list	[]
vmstorage.extraVolumeMounts	list	[]
vmstorage.extraVolumes	list	[]
vmstorage.fullnameOverride	string	nil	Overrides the full name of vmstorage component
vmstorage.image.pullPolicy	string	"IfNotPresent"	Image pull policy
vmstorage.image.repository	string	"victoriametrics/vmstorage"	Image repository
vmstorage.image.tag	string	"v1.101.0-cluster"	Image tag
vmstorage.initContainers	list	[]
vmstorage.name	string	"vmstorage"	vmstorage container name
vmstorage.nodeSelector	object	{}	Pod’s node selector. Ref: https://kubernetes.io/docs/user-guide/node-selection/
vmstorage.persistentVolume.accessModes	list	["ReadWriteOnce"]	Array of access modes. Must match those of existing PV or dynamic provisioner. Ref: http://kubernetes.io/docs/user-guide/persistent-volumes/
vmstorage.persistentVolume.annotations	object	{}	Persistent volume annotations
vmstorage.persistentVolume.enabled	bool	true	Create/use Persistent Volume Claim for vmstorage component. Empty dir if false. If true, vmstorage will create/use a Persistent Volume Claim
vmstorage.persistentVolume.existingClaim	string	""	Existing Claim name. Requires vmstorage.persistentVolume.enabled: true. If defined, PVC must be created manually before volume will be bound
vmstorage.persistentVolume.labels	object	{}	Persistent volume labels
vmstorage.persistentVolume.mountPath	string	"/storage"	Data root path. Vmstorage data Persistent Volume mount root path
vmstorage.persistentVolume.name	string	"vmstorage-volume"
vmstorage.persistentVolume.size	string	"8Gi"	Size of the volume.
vmstorage.persistentVolume.storageClass	string	""	Storage class name. Will be empty if not setted
vmstorage.persistentVolume.subPath	string	""	Mount subpath
vmstorage.podAnnotations	object	{}	Pod’s annotations
vmstorage.podDisruptionBudget	object	{"enabled":false,"labels":{}}	See kubectl explain poddisruptionbudget.spec for more. Ref: https://kubernetes.io/docs/tasks/run-application/configure-pdb/
vmstorage.podManagementPolicy	string	"OrderedReady"	Deploy order policy for StatefulSet pods
vmstorage.podSecurityContext.enabled	bool	false
vmstorage.ports.name	string	"http"
vmstorage.priorityClassName	string	""	Name of Priority Class
vmstorage.probe.liveness.failureThreshold	int	10
vmstorage.probe.liveness.initialDelaySeconds	int	30
vmstorage.probe.liveness.periodSeconds	int	30
vmstorage.probe.liveness.tcpSocket.port	string	"http"
vmstorage.probe.liveness.timeoutSeconds	int	5
vmstorage.probe.readiness.failureThreshold	int	3
vmstorage.probe.readiness.httpGet.path	string	"/health"
vmstorage.probe.readiness.httpGet.port	string	"http"
vmstorage.probe.readiness.initialDelaySeconds	int	5
vmstorage.probe.readiness.periodSeconds	int	15
vmstorage.probe.readiness.timeoutSeconds	int	5
vmstorage.replicaCount	int	2	Count of vmstorage pods
vmstorage.resources	object	{}	Resource object. Ref: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/
vmstorage.retentionPeriod	int	1	Data retention period. Supported values 1w, 1d, number without measurement means month, e.g. 2 = 2month
vmstorage.securityContext	object	{"enabled":false}	Pod’s security context. Ref: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/
vmstorage.service.annotations	object	{}	Service annotations
vmstorage.service.extraPorts	list	[]	Extra service ports
vmstorage.service.labels	object	{}	Service labels
vmstorage.service.servicePort	int	8482	Service port
vmstorage.service.vminsertPort	int	8400	Port for accepting connections from vminsert
vmstorage.service.vmselectPort	int	8401	Port for accepting connections from vmselect
vmstorage.serviceMonitor.annotations	object	{}	Service Monitor annotations
vmstorage.serviceMonitor.enabled	bool	false	Enable deployment of Service Monitor for vmstorage component. This is Prometheus operator object
vmstorage.serviceMonitor.extraLabels	object	{}	Service Monitor labels
vmstorage.serviceMonitor.metricRelabelings	list	[]	Service Monitor metricRelabelings
vmstorage.serviceMonitor.namespace	string	""	Target namespace of ServiceMonitor manifest
vmstorage.serviceMonitor.relabelings	list	[]	Service Monitor relabelings
vmstorage.terminationGracePeriodSeconds	int	60	Pod’s termination grace period in seconds
vmstorage.tolerations	list	[]	Array of tolerations object. Node tolerations for server scheduling to nodes with taints. Ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/ #
vmstorage.topologySpreadConstraints	list	[]	Pod topologySpreadConstraints
vmstorage.vmbackupmanager.destination	string	""	backup destination at S3, GCS or local filesystem. Pod name will be included to path!
vmstorage.vmbackupmanager.disableDaily	bool	false	disable daily backups
vmstorage.vmbackupmanager.disableHourly	bool	false	disable hourly backups
vmstorage.vmbackupmanager.disableMonthly	bool	false	disable monthly backups
vmstorage.vmbackupmanager.disableWeekly	bool	false	disable weekly backups
vmstorage.vmbackupmanager.enable	bool	false	enable automatic creation of backup via vmbackupmanager. vmbackupmanager is part of Enterprise packages
vmstorage.vmbackupmanager.env	list	[]	Additional environment variables (ex.: secret tokens, flags) https://github.com/VictoriaMetrics/VictoriaMetrics#environment-variables
vmstorage.vmbackupmanager.eula	bool	false	should be true and means that you have the legal right to run a backup manager that can either be a signed contract or an email with confirmation to run the service in a trial period # https://victoriametrics.com/legal/esa/
vmstorage.vmbackupmanager.extraArgs.”envflag.enable”	string	"true"
vmstorage.vmbackupmanager.extraArgs.”envflag.prefix”	string	"VM_"
vmstorage.vmbackupmanager.extraArgs.loggerFormat	string	"json"
vmstorage.vmbackupmanager.extraSecretMounts	list	[]
vmstorage.vmbackupmanager.image.repository	string	"victoriametrics/vmbackupmanager"	vmbackupmanager image repository
vmstorage.vmbackupmanager.image.tag	string	"v1.101.0-enterprise"	vmbackupmanager image tag
vmstorage.vmbackupmanager.livenessProbe.failureThreshold	int	10
vmstorage.vmbackupmanager.livenessProbe.initialDelaySeconds	int	30
vmstorage.vmbackupmanager.livenessProbe.periodSeconds	int	30
vmstorage.vmbackupmanager.livenessProbe.tcpSocket.port	string	"manager-http"
vmstorage.vmbackupmanager.livenessProbe.timeoutSeconds	int	5
vmstorage.vmbackupmanager.readinessProbe.failureThreshold	int	3
vmstorage.vmbackupmanager.readinessProbe.httpGet.path	string	"/health"
vmstorage.vmbackupmanager.readinessProbe.httpGet.port	string	"manager-http"
vmstorage.vmbackupmanager.readinessProbe.initialDelaySeconds	int	5
vmstorage.vmbackupmanager.readinessProbe.periodSeconds	int	15
vmstorage.vmbackupmanager.readinessProbe.timeoutSeconds	int	5
vmstorage.vmbackupmanager.resources	object	{}
vmstorage.vmbackupmanager.restore	object	{"onStart":{"enabled":false}}	Allows to enable restore options for pod. Read more: https://docs.victoriametrics.com/vmbackupmanager.html#restore-commands
vmstorage.vmbackupmanager.retention	object	{"keepLastDaily":2,"keepLastHourly":2,"keepLastMonthly":2,"keepLastWeekly":2}	backups’ retention settings
vmstorage.vmbackupmanager.retention.keepLastDaily	int	2	keep last N daily backups. 0 means delete all existing daily backups. Specify -1 to turn off
vmstorage.vmbackupmanager.retention.keepLastHourly	int	2	keep last N hourly backups. 0 means delete all existing hourly backups. Specify -1 to turn off
vmstorage.vmbackupmanager.retention.keepLastMonthly	int	2	keep last N monthly backups. 0 means delete all existing monthly backups. Specify -1 to turn off
vmstorage.vmbackupmanager.retention.keepLastWeekly	int	2	keep last N weekly backups. 0 means delete all existing weekly backups. Specify -1 to turn off

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