--- title: Cluster Manager Metrics description: A list of the metrics provided by the Cluster Manager. pubDate: 2026-08-17T09:53:44.266Z antora: editUrl: https://github.com/couchbase/docs-server/edit/release/7.2/modules/metrics-reference/pages/ns-server-metrics.adoc xref: xref:7.2@server:metrics-reference:ns-server-metrics.adoc[] --- [Consult the llms.txt file for a full list of contents](/llms.txt) [View original HTML](/server/7.2/metrics-reference/ns-server-metrics.html) # Cluster Manager Metrics > A list of the metrics provided by the Cluster Manager. The following Cluster Manager metrics can be queried by means of the REST APIs described in [Statistics](../rest-api/rest-statistics.md). > [!TIP] > * The x.y.z badge shows the Couchbase Server version the metric was added in. > * The type / unit badge shows shows the Prometheus [type](https://prometheus.io/docs/tutorials/understanding%5Fmetric%5Ftypes/) and [unit](https://prometheus.io/docs/practices/naming/#base-units) (if present). | audit\_queue\_length7.0.0 gauge Current number of entries in the audit queue | | ----------------------------------------------------------------------------------------------------------------------------------------------------------------- | | audit\_unsuccessful\_retries7.0.0 counter Failed attempts to audit | | cm\_auto\_failover\_count7.2.6 gauge Number of auto-failovers | | cm\_auto\_failover\_enabled7.2.6 gauge Indicates if auto-failover is enabled (1 = true, 0 = false) | | cm\_auto\_failover\_max\_count7.2.6 gauge Maximum number of auto-failovers before being disabled | | cm\_build\_streaming\_info\_total7.0.0 counter Number of streaming requests processed | | cm\_failover\_total7.2.6 counter Number of non-graceful failover results | | cm\_graceful\_failover\_total7.2.6 counter Number of graceful failover results | | cm\_http\_requests\_seconds7.0.0 histogram Number of bucket HTTP requests | | cm\_http\_requests\_total7.0.0 counter Total number of HTTP requests categorized | | cm\_is\_balanced7.2.6 gauge Indicates if cluster is balanced (1 = true, 0 = false). Only reported by the orchestrator node and only updated once every 30 seconds | | cm\_logs\_total7.1.0 counter Total number of logs logged | | cm\_memcached\_call\_time\_seconds7.0.0 histogram Amount of time to call memcached | | cm\_memcached\_e2e\_call\_time\_seconds7.0.0 histogram End to end memcached call times | | cm\_memcached\_q\_call\_time\_seconds7.0.0 histogram / seconds Memcached queue call times | | cm\_mru\_cache\_add\_time\_seconds7.0.0 histogram / seconds Time to add to MRU cache | | cm\_mru\_cache\_flush\_time\_seconds7.0.0 histogram / seconds Time to flush MRU cache | | cm\_mru\_cache\_lock\_time\_seconds7.0.0 histogram / seconds Time to lock MRU cache | | cm\_mru\_cache\_lookup\_time\_seconds7.0.0 histogram / seconds Time to perform a lookup in the MRU cache | | cm\_mru\_cache\_lookup\_total7.0.0 counter Total number of MRU cache lookups | | cm\_mru\_cache\_take\_lock\_total7.0.0 counter Total number of times MRU cache lock was obtained | | cm\_odp\_report\_failed7.0.0 counter Number of failures to send on-demand pricing report | | cm\_outgoing\_http\_requests\_seconds7.0.0 histogram / seconds Time taken for outgoing HTTP requests | | cm\_outgoing\_http\_requests\_total7.0.0 counter Total number of outgoing HTTP requests | | cm\_rebalance\_in\_progress7.2.6 gauge Indicates if a rebalance is running (1 = true, 0 = false). Only reported by the orchestrator node. | | cm\_rebalance\_progress7.2.6 gauge / ratio Estimate of the rebalance progress (0 - 1) for each stage. Only reported by the orchestrator node. | | cm\_rebalance\_total7.2.6 counter Number of rebalance results | | cm\_request\_hibernates\_total7.0.0 counter Number of times requests were hibernated | | cm\_request\_unhibernates\_total7.0.0 counter Number of times requests were unhibernated | | cm\_rest\_request\_enters\_total7.0.0 counter Number of REST requests to enter ns\_server | | cm\_rest\_request\_leaves\_total7.0.0 counter Number of REST requests to exit ns\_server | | cm\_status\_latency\_seconds7.0.0 histogram / seconds Latency time for status | | cm\_web\_cache\_hits\_total7.0.0 counter Total number of web cache hits | | cm\_web\_cache\_inner\_hits\_total7.0.0 counter Total number of inner web cache hits | | cm\_web\_cache\_updates\_total7.0.0 counter Total number of web cache updates | | couch\_docs\_actual\_disk\_size7.0.0 gauge / bytes Amount of disk space used by the Data Service | | couch\_views\_actual\_disk\_size7.0.0 gauge / bytes Amount of disk space used by Views data | | sys\_allocstall7.0.0 counter Number of alloc stalls | | sys\_cpu\_burst\_rate7.2.0 gauge Rate at which CPUs overran their quota | | sys\_cpu\_cgroup\_seconds\_total7.2.4 counter / seconds Number of CPU seconds utilized in the cgroup, by mode | | sys\_cpu\_cgroup\_usage\_seconds\_total7.2.5 counter / seconds Number of 'user' and 'system' and 'stolen' CPU seconds utilized in the cgroup | | sys\_cpu\_cores\_available7.0.0 gauge Number of available CPU cores in the control group | | sys\_cpu\_host\_cores\_available7.1.1 gauge Number of available CPU cores in the host | | sys\_cpu\_host\_idle\_rate7.2.4 gauge Idle CPU utilization rate in the host | | sys\_cpu\_host\_other\_rate7.2.4 gauge Other (not idle/user/sys/irq/stolen) CPU utilization rate in the host | | sys\_cpu\_host\_seconds\_total7.2.1 counter / seconds Number of CPU seconds utilized in the host, by mode | | sys\_cpu\_host\_sys\_rate7.1.1 gauge System CPU utilization rate in the host | | sys\_cpu\_host\_user\_rate7.1.1 gauge User space CPU utilization rate in the host | | sys\_cpu\_host\_utilization\_rate7.1.1 gauge CPU utilization rate in the host | | sys\_cpu\_irq\_rate7.0.0 gauge IRQ rate | | sys\_cpu\_stolen\_rate7.0.0 gauge CPU stolen rate | | sys\_cpu\_sys\_rate7.0.0 gauge System CPU utilization rate in the control group | | sys\_cpu\_throttled\_rate7.2.0 gauge Rate at which CPUs were throttled | | sys\_cpu\_user\_rate7.0.0 gauge User space CPU utilization rate in the control group | | sys\_cpu\_utilization\_rate7.0.0 gauge CPU utilization rate in the control group | | sys\_disk\_queue7.2.4 gauge Current disk queue length of the disk | | sys\_disk\_queue\_depth7.2.4 gauge Maximum disk queue length of the disk | | sys\_disk\_read\_bytes7.2.4 counter Number of bytes read by the disk | | sys\_disk\_read\_time\_seconds7.2.4 counter Amount of time that the disk spent reading | | sys\_disk\_reads7.2.4 counter Number of reads that the disk performed | | sys\_disk\_time\_seconds7.2.4 counter Amount of time that the disk spent performing IO | | sys\_disk\_write\_bytes7.2.4 counter Number of bytes written by the disk | | sys\_disk\_write\_time\_seconds7.2.4 counter Amount of time that the disk spent writing | | sys\_disk\_writes7.2.4 counter Number of writes that the disk performed | | sys\_mem\_actual\_free7.0.0 gauge / bytes Amount of system memory available, including buffers/cache | | sys\_mem\_actual\_used7.0.0 gauge / bytes Amount of system memory used, excluding buffers/cache | | sys\_mem\_cgroup\_actual\_used7.2.0 gauge / bytes Amount of system memory used, excluding buffers/cache, in the control group | | sys\_mem\_cgroup\_limit7.2.0 gauge / bytes System memory limit, in the control group | | sys\_mem\_cgroup\_used7.2.0 gauge / bytes Amount of system memory used, including buffers/cache, in the control group | | sys\_mem\_free7.0.0 gauge / bytes Amount of system memory free, excluding buffers/cache | | sys\_mem\_limit7.0.0 gauge / bytes System memory limit | | sys\_mem\_total7.0.0 gauge / bytes Total amount of system memory | | sys\_mem\_used\_sys7.0.0 gauge / bytes Amount of system memory used, including buffers/cache | | sys\_pressure\_share\_time\_stalled7.2.4 gauge Percentage of time that tasks were stalled on a given resource | | sys\_pressure\_total\_stall\_time\_usec7.2.4 counter / microseconds Absolute stall time when tasks were stalled on a given resource | | sys\_swap\_total7.0.0 gauge / bytes Total amount of swap space | | sys\_swap\_used7.0.0 gauge / bytes Amount of swap space used | | sysproc\_cpu\_seconds\_total7.2.4 counter Amount of user CPU cycles used, by process | | sysproc\_cpu\_utilization7.0.0 gauge CPU utilization rate, by process | | sysproc\_major\_faults\_raw7.0.0 counter Number of major page faults, by process | | sysproc\_mem\_resident7.0.0 gauge / bytes Amount of resident memory used, by process | | sysproc\_mem\_share7.0.0 gauge / bytes Amount of shared memory used, by process | | sysproc\_mem\_size7.0.0 gauge / bytes Amount of memory used, by process | | sysproc\_minor\_faults\_raw7.0.0 gauge Number of minor page faults, by process | | sysproc\_page\_faults\_raw7.0.0 gauge Number of page faults, by process | | sysproc\_start\_time7.2.4 counter OS specific time when process was started |