# ConfigServer Metrics | Name | Unit | Description | | --- | --- | --- | | configserver.requests | request | Number of requests processed | | configserver.failedRequests | request | Number of requests that failed | | configserver.latency | millisecond | Time to complete requests | | configserver.cacheConfigElems | item | Time to complete requests | | configserver.cacheChecksumElems | item | Number of checksum elements in the cache | | configserver.hosts | node | The number of nodes being served configuration from the config server cluster | | configserver.tenants | instance | The number of tenants being served configuration from the config server cluster | | configserver.applications | instance | The number of applications being served configuration from the config server cluster | | configserver.delayedResponses | response | Number of delayed responses | | configserver.sessionChangeErrors | session | Number of session change errors | | configserver.unknownHostRequests | request | Config requests from unknown hosts | | configserver.newSessions | session | New config sessions | | configserver.preparedSessions | session | Prepared config sessions | | configserver.activeSessions | session | Active config sessions | | configserver.inactiveSessions | session | Inactive config sessions | | configserver.addedSessions | session | Added config sessions | | configserver.removedSessions | session | Removed config sessions | | configserver.rpcServerWorkQueueSize | item | Number of elements in the RPC server work queue | | maintenanceDeployment.transientFailure | operation | Number of maintenance deployments that failed with a transient failure | | maintenanceDeployment.failure | operation | Number of maintenance deployments that failed with a permanent failure | | maintenance.successFactorDeviation | fraction | Configserver: Maintenance Success Factor Deviation | | maintenance.duration | millisecond | Configserver: Maintenance Duration | | maintenance.congestion | failure | Configserver: Maintenance Congestion | | configserver.zkConnectionLost | connection | Number of ZooKeeper connections lost | | configserver.zkReconnected | connection | Number of ZooKeeper reconnections | | configserver.zkConnected | node | Number of ZooKeeper nodes connected | | configserver.zkSuspended | node | Number of ZooKeeper nodes suspended | | configserver.zkZNodes | node | Number of ZooKeeper nodes present | | configserver.zkAvgLatency | millisecond | Average latency for ZooKeeper requests | | configserver.zkMaxLatency | millisecond | Max latency for ZooKeeper requests | | configserver.zkConnections | connection | Number of ZooKeeper connections | | configserver.zkOutstandingRequests | request | Number of ZooKeeper requests in flight | | orchestrator.lock.acquire-latency | second | Time to acquire zookeeper lock | | orchestrator.lock.acquire-success | operation | Number of times zookeeper lock has been acquired successfully | | orchestrator.lock.acquire-timedout | operation | Number of times zookeeper lock couldn't be acquired within timeout | | orchestrator.lock.acquire | operation | Number of attempts to acquire zookeeper lock | | orchestrator.lock.acquired | operation | Number of times zookeeper lock was acquired | | orchestrator.lock.hold-latency | second | Time zookeeper lock was held before it was released | | nodes.active | node | The number of active nodes in a cluster | | nodes.nonActive | node | The number of non-active nodes in a cluster | | nodes.nonActiveFraction | node | The fraction of non-active nodes vs total nodes in a cluster | | nodes.exclusiveSwitchFraction | fraction | The fraction of nodes in a cluster on exclusive network switches | | nodes.emptyExclusive | node | The number of exclusive hosts that do not have any nodes allocated to them | | nodes.expired.deprovisioned | node | The number of deprovisioned nodes that have expired | | nodes.expired.dirty | node | The number of dirty nodes that have expired | | nodes.expired.inactive | node | The number of inactive nodes that have expired | | nodes.expired.provisioned | node | The number of provisioned nodes that have expired | | nodes.expired.reserved | node | The number of reserved nodes that have expired | | cluster.cost | dollar\_per\_hour | The cost of the nodes allocated to a certain cluster, in $/hr | | cluster.load.ideal.cpu | fraction | The ideal cpu load of a certain cluster | | cluster.load.ideal.memory | fraction | The ideal memory load of a certain cluster | | cluster.load.ideal.disk | fraction | The ideal disk load of a certain cluster | | cluster.load.peak.cpu | fraction | The peak cpu load in the period considered of a certain cluster | | cluster.load.peak.memory | fraction | The peak memory load in the period considered of a certain cluster | | cluster.load.peak.disk | fraction | The peak disk load in the period considered of a certain cluster | | cluster.backup.age | fraction | Age of the most recent cluster backup as a fraction of the backup interval | | cluster.snapshot.busySeconds | second | The maximum time a snapshot has been busy (creating or restoring) for a cluster | | zone.working | binary | The value 1 if zone is considered healthy, 0 if not. This is decided by considering the number of non-active nodes vs the number of active nodes in a zone | | cache.nodeObject.hitRate | fraction | The fraction of cache hits vs cache lookups for the node object cache | | cache.nodeObject.evictionCount | item | The number of cache elements evicted from the node object cache | | cache.nodeObject.size | item | The number of cache elements in the node object cache | | cache.curator.hitRate | fraction | The fraction of cache hits vs cache lookups for the curator cache | | cache.curator.evictionCount | item | The number of cache elements evicted from the curator cache | | cache.curator.size | item | The number of cache elements in the curator cache | | wantedRestartGeneration | generation | Wanted restart generation for tenant node | | currentRestartGeneration | generation | Current restart generation for tenant node | | wantToRestart | binary | One if node wants to restart, zero if not | | wantedRebootGeneration | generation | Wanted reboot generation for tenant node | | currentRebootGeneration | generation | Current reboot generation for tenant node | | wantToReboot | binary | One if node wants to reboot, zero if not | | retired | binary | One if node is retired, zero if not | | wantedVespaVersion | version | Wanted vespa version for the node, in the form MINOR.PATCH. Major version is not included here | | currentVespaVersion | version | Current vespa version for the node, in the form MINOR.PATCH. Major version is not included here | | wantToChangeVespaVersion | binary | One if node want to change Vespa version, zero if not | | hasWireguardKey | binary | One if node has a WireGuard key, zero if not | | wantToRetire | binary | One if node wants to retire, zero if not | | wantToDeprovision | binary | One if node wants to be deprovisioned, zero if not | | failReport | binary | One if there is a fail report for the node, zero if not | | suspended | binary | One if the node is suspended, zero if not | | suspendedSeconds | second | The number of seconds the node has been suspended | | activeSeconds | second | The number of seconds the node has been active | | numberOfServicesUp | instance | The number of services confirmed to be running on a node | | numberOfServicesNotChecked | instance | The number of services supposed to run on a node, that has not checked | | numberOfServicesDown | instance | The number of services confirmed to not be running on a node | | someServicesDown | binary | One if one or more services has been confirmed to not run on a node, zero if not | | numberOfServicesUnknown | instance | The number of services the config server does not know is running on a node | | nodeFailerBadNode | binary | One if the node is failed due to being bad, zero if not | | downInNodeRepo | binary | One if the node is registered as being down in the node repository, zero if not | | numberOfServices | instance | Number of services supposed to run on a node | | lockAttempt.acquireMaxActiveLatency | second | Maximum duration for keeping a lock, ending during the metrics snapshot, or still being kept at the end or this snapshot period | | lockAttempt.acquireHz | operation\_per\_second | Average number of locks acquired per second the snapshot period | | lockAttempt.acquireLoad | operation | Average number of locks held concurrently during the snapshot period | | lockAttempt.lockedLatency | second | Longest lock duration in the snapshot period | | lockAttempt.lockedLoad | operation | Average number of locks held concurrently during the snapshot period | | lockAttempt.acquireTimedOut | operation | Number of locking attempts that timed out during the snapshot period | | lockAttempt.deadlock | operation | Number of lock grab deadlocks detected during the snapshot period | | lockAttempt.errors | operation | Number of other lock related errors detected during the snapshot period | | hostedVespa.docker.totalCapacityCpu | vcpu | Total number of VCPUs on tenant hosts managed by hosted Vespa in a zone | | hostedVespa.docker.totalCapacityMem | gigabyte | Total amount of memory on tenant hosts managed by hosted Vespa in a zone | | hostedVespa.docker.totalCapacityDisk | gigabyte | Total amount of disk space on tenant hosts managed by hosted Vespa in a zone | | hostedVespa.docker.freeCapacityCpu | vcpu | Total number of free VCPUs on tenant hosts managed by hosted Vespa in a zone | | hostedVespa.docker.freeCapacityMem | gigabyte | Total amount of free memory on tenant hosts managed by hosted Vespa in a zone | | hostedVespa.docker.freeCapacityDisk | gigabyte | Total amount of free disk space on tenant hosts managed by hosted Vespa in a zone | | hostedVespa.docker.allocatedCapacityCpu | vcpu | Total number of allocated VCPUs on tenant hosts managed by hosted Vespa in a zone | | hostedVespa.docker.allocatedCapacityMem | gigabyte | Total amount of allocated memory on tenant hosts managed by hosted Vespa in a zone | | hostedVespa.docker.allocatedCapacityDisk | gigabyte | Total amount of allocated disk space on tenant hosts managed by hosted Vespa in a zone | | hostedVespa.pendingRedeployments | task | The number of hosted Vespa re-deployments pending | | hostedVespa.docker.skew | fraction | A number in the range 0..1 indicating how well allocated resources are balanced with availability on hosts | | hostedVespa.activeHosts | host | The number of managed hosts that are in state "active" | | hostedVespa.breakfixedHosts | host | The number of managed hosts that are in state "breakfixed" | | hostedVespa.deprovisionedHosts | host | The number of managed hosts that are in state "deprovisioned" | | hostedVespa.dirtyHosts | host | The number of managed hosts that are in state "dirty" | | hostedVespa.failedHosts | host | The number of managed hosts that are in state "failed" | | hostedVespa.inactiveHosts | host | The number of managed hosts that are in state "inactive" | | hostedVespa.parkedHosts | host | The number of managed hosts that are in state "parked" | | hostedVespa.provisionedHosts | host | The number of managed hosts that are in state "provisioned" | | hostedVespa.readyHosts | host | The number of managed hosts that are in state "ready" | | hostedVespa.reservedHosts | host | The number of managed hosts that are in state "reserved" | | hostedVespa.activeNodes | host | The number of managed nodes that are in state "active" | | hostedVespa.breakfixedNodes | host | The number of managed nodes that are in state "breakfixed" | | hostedVespa.deprovisionedNodes | host | The number of managed nodes that are in state "deprovisioned" | | hostedVespa.dirtyNodes | host | The number of managed nodes that are in state "dirty" | | hostedVespa.failedNodes | host | The number of managed nodes that are in state "failed" | | hostedVespa.inactiveNodes | host | The number of managed nodes that are in state "inactive" | | hostedVespa.parkedNodes | host | The number of managed nodes that are in state "parked" | | hostedVespa.provisionedNodes | host | The number of managed nodes that are in state "provisioned" | | hostedVespa.readyNodes | host | The number of managed nodes that are in state "ready" | | hostedVespa.reservedNodes | host | The number of managed nodes that are in state "reserved" | | overcommittedHosts | host | The number of hosts with over-committed resources | | spareHostCapacity | host | The number of spare hosts | | throttledHostFailures | host | Number of host failures stopped due to throttling | | throttledNodeFailures | host | Number of node failures stopped due to throttling | | nodeFailThrottling | binary | Metric indicating when node failure throttling is active. The value 1 means active, 0 means inactive | | clusterAutoscaled | operation | Number of times a cluster has been rescaled by the autoscaler | | clusterAutoscaleDuration | second | The currently predicted duration of a rescaling of this cluster | | deployment.prepareMillis | millisecond | Duration of deployment preparations | | deployment.activateMillis | millisecond | Duration of deployment activations | | throttledHostProvisioning | binary | Value 1 if host provisioning is throttled, 0 if not | Copyright © 2026 - [Cookie Preferences](#)