# Default Metric Set This document provides reference documentation for the Default metric set, including suffixes present per metric. If the suffix column contains "N/A" then the base name of the corresponding metric is used with no suffix. ## ClusterController Metrics | Name | Unit | Suffixes | Description | | --- | --- | --- | --- | | cluster-controller.down.count | node | last, max | Number of content nodes down | | cluster-controller.maintenance.count | node | last, max | Number of content nodes in maintenance | | cluster-controller.up.count | node | last, max | Number of content nodes up | | cluster-controller.is-master | binary | last, max | 1 if this cluster controller is currently the master, or 0 if not | | cluster-controller.resource\_usage.nodes\_above\_limit | node | last, max | The number of content nodes above resource limit, blocking feed | | cluster-controller.resource\_usage.max\_memory\_utilization | fraction | last, max | Current memory utilisation, for content node with the highest value | | cluster-controller.resource\_usage.max\_disk\_utilization | fraction | last, max | Current disk space utilisation, for content node with the highest value | ## Container Metrics | Name | Unit | Suffixes | Description | | --- | --- | --- | --- | | http.status.1xx | response | rate | Number of responses with a 1xx status | | http.status.2xx | response | rate | Number of responses with a 2xx status | | http.status.3xx | response | rate | Number of responses with a 3xx status | | http.status.4xx | response | rate | Number of responses with a 4xx status | | http.status.5xx | response | rate | Number of responses with a 5xx status | | jdisc.gc.ms | millisecond | average, max | Time spent in JVM garbage collection | | jdisc.thread\_pool.work\_queue.capacity | thread | max | Capacity of the task queue | | jdisc.thread\_pool.work\_queue.size | thread | count, max, min, sum | Size of the task queue | | jdisc.thread\_pool.size | thread | max | Size of the thread pool | | jdisc.thread\_pool.active\_threads | thread | count, max, min, sum | Number of threads that are active | | jdisc.application.failed\_component\_graphs | item | rate | JDISC Application failed component graphs | | jdisc.singleton.is\_active | item | last, max | JDISC Singleton is active | | jdisc.http.ssl.handshake.failure.missing\_client\_cert | operation | rate | JDISC HTTP SSL Handshake failures due to missing client certificate | | jdisc.http.ssl.handshake.failure.incompatible\_protocols | operation | rate | JDISC HTTP SSL Handshake failures due to incompatible protocols | | jdisc.http.ssl.handshake.failure.incompatible\_chifers | operation | rate | JDISC HTTP SSL Handshake failures due to incompatible chifers | | jdisc.http.ssl.handshake.failure.unknown | operation | rate | JDISC HTTP SSL Handshake failures for unknown reason | | jdisc.http.latency | millisecond | count, max, sum | Request latency including the HTTP layer | | mem.heap.free | byte | average | Free heap memory | | athenz-tenant-cert.expiry.seconds | second | last, max, min | Time remaining until Athenz tenant certificate expires | | feed.operations | operation | rate | Number of document feed operations | | feed.latency | millisecond | count, sum | Feed latency | | queries | operation | rate | Query volume | | query\_latency | millisecond | average, count, max, sum | The overall query latency as observed by the container cluster, excluding HTTP layer and rendering | | failed\_queries | operation | rate | The number of failed queries | | degraded\_queries | operation | rate | The number of degraded queries, e.g. due to some content nodes not responding in time | | hits\_per\_query | hit\_per\_query | average, count, max, sum | The number of hits returned | | docproc.documents | document | sum | Number of processed documents | | totalhits\_per\_query | hit\_per\_query | average, count, max, sum | The total number of documents found to match queries | | serverActiveThreads | thread | average | Deprecated. Use jdisc.thread\_pool.active\_threads instead. | ## Distributor Metrics | Name | Unit | Suffixes | Description | | --- | --- | --- | --- | | vds.distributor.docsstored | document | average | Number of documents stored in all buckets controlled by this distributor | | vds.bouncer.clock\_skew\_aborts | operation | count | Number of client operations that were aborted due to clock skew between sender and receiver exceeding acceptable range | ## NodeAdmin Metrics | Name | Unit | Suffixes | Description | | --- | --- | --- | --- | | endpoint.certificate.expiry.seconds | second | N/A | Time until node endpoint certificate expires | | node-certificate.expiry.seconds | second | N/A | Time until node certificate expires | ## SearchNode Metrics | Name | Unit | Suffixes | Description | | --- | --- | --- | --- | | content.proton.documentdb.documents.total | document | last, max | The total number of documents in this documents db (ready + not-ready) | | content.proton.documentdb.documents.ready | document | last, max | The number of ready documents in this document db | | content.proton.documentdb.documents.active | document | last, max | The number of active / searchable documents in this document db | | content.proton.documentdb.disk\_usage | byte | last | The total disk usage (in bytes) for this document db | | content.proton.documentdb.memory\_usage.allocated\_bytes | byte | last | The number of allocated bytes | | content.proton.search\_protocol.query.latency | second | average, count, max, sum | Query request latency (seconds) | | content.proton.search\_protocol.docsum.latency | second | average, count, max, sum | Docsum request latency (seconds) | | content.proton.search\_protocol.docsum.requested\_documents | document | rate | Total requested document summaries | | content.proton.resource\_usage.disk | fraction | average | The relative amount of disk used by this content node (transient usage not included, value in the range [0, 1]). Same value as reported to the cluster controller | | content.proton.resource\_usage.memory | fraction | average | The relative amount of memory used by this content node (transient usage not included, value in the range [0, 1]). Same value as reported to the cluster controller | | content.proton.resource\_usage.feeding\_blocked | binary | last, max | Whether feeding is blocked due to resource limits being reached (value is either 0 or 1) | | content.proton.transactionlog.disk\_usage | byte | last | The disk usage (in bytes) of the transaction log | | content.proton.documentdb.matching.docs\_matched | document | rate | Number of documents matched | | content.proton.documentdb.matching.docs\_reranked | document | rate | Number of documents re-ranked (second phase) | | content.proton.documentdb.matching.rank\_profile.query\_latency | second | average, count, max, sum | Total average latency (sec) when matching and ranking a query | | content.proton.documentdb.matching.rank\_profile.query\_setup\_time | second | average, count, max, sum | Average time (sec) spent setting up and tearing down queries | | content.proton.documentdb.matching.rank\_profile.rerank\_time | second | average, count, max, sum | Average time (sec) spent on 2nd phase ranking | ## Sentinel Metrics | Name | Unit | Suffixes | Description | | --- | --- | --- | --- | | sentinel.totalRestarts | restart | last, max, sum | Total number of service restarts done by the sentinel since the sentinel was started | ## Storage Metrics | Name | Unit | Suffixes | Description | | --- | --- | --- | --- | | vds.filestor.allthreads.put.count | operation | rate | Number of requests processed. | | vds.filestor.allthreads.remove.count | operation | rate | Number of requests processed. | | vds.filestor.allthreads.update.count | request | rate | Number of requests processed. | Copyright © 2026 - [Cookie Preferences](#) ### On this page: - [Default Metric Set](#page-title) - [ClusterController Metrics](#clustercontroller-metrics) - [Container Metrics](#container-metrics) - [Distributor Metrics](#distributor-metrics) - [NodeAdmin Metrics](#nodeadmin-metrics) - [SearchNode Metrics](#searchnode-metrics) - [Sentinel Metrics](#sentinel-metrics) - [Storage Metrics](#storage-metrics)