This document gives the list of metrics exposed through the juju-controller charm’s metrics-endpoint endpoint along with their quick description.
go_gc_duration_seconds
A summary of the pause duration of garbage collection cycles.
See more: Source
go_goroutines
The number of goroutines that currently exist.
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go_info
Information about the Go environment.
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go_memstats_alloc_bytes
Number of bytes allocated and still in use.
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go_memstats_alloc_bytes_total
The total number of bytes allocated, even if freed.
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go_memstats_buck_hash_sys_bytes
The number of bytes used by the profiling bucket hash table.
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go_memstats_frees_total
The total number of frees.
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go_memstats_gc_sys_bytes
The number of bytes used for garbage collection system metadata.
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go_memstats_heap_alloc_bytes
The number of heap bytes allocated and still in use.
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go_memstats_heap_idle_bytes
The number of heap bytes waiting to be used.
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go_memstats_heap_inuse_bytes
The number of heap bytes that are in use.
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go_memstats_heap_objects
The number of allocated objects.
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go_memstats_heap_released_bytes
The number of heap bytes released to OS.
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go_memstats_heap_sys_bytes
The number of heap bytes obtained from system.
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go_memstats_last_gc_time_seconds
The number of seconds since 1970 of last garbage collection.
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go_memstats_lookups_total
The total number of pointer lookups.
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go_memstats_mallocs_total
The total number of mallocs.
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go_memstats_mcache_inuse_bytes
The number of bytes in use by mcache structures.
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go_memstats_mcache_sys_bytes
The number of bytes used for mcache structures obtained from system.
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go_memstats_mspan_inuse_bytes
The number of bytes in use by mspan structures.
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go_memstats_mspan_sys_bytes
The number of bytes used for mspan structures obtained from system.
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go_memstats_next_gc_bytes
The number of heap bytes when next garbage collection will take place.
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go_memstats_other_sys_bytes
The number of bytes used for other system allocations.
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go_memstats_stack_inuse_bytes
The number of bytes in use by the stack allocator.
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go_memstats_stack_sys_bytes
The number of bytes obtained from system for stack allocator.
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go_memstats_sys_bytes
The number of bytes obtained from system.
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go_threads
The number of OS threads created.
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juju_apiserver_active_login_attempts
The current number of active agent login attempts.
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juju_apiserver_build_info
The versions of various parts of the Juju Controller.
This metric is a little special in that there is one const metric with a value of 1 and the labels are the strings that describe the instance.
See more: Source, Guidance in Prometheus | Writing exporters > Target labels, not static scraped labels and Robust Perception | How to have labels for machine roles.
juju_apiserver_connections
The current number of active apiserver connections for api handlers.
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juju_apiserver_connections_total
The total number of apiserver connections ever made.
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juju_apiserver_log_read_count
The current number of log reads.
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juju_apiserver_log_write_count
The current number of log writes.
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juju_apiserver_outbound_request_duration_seconds
The latency of outbound API requests in seconds.
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juju_apiserver_outbound_request_errors_total
The total number of http request errors to outbound APIs.
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juju_apiserver_outbound_requests_total
The total number of http requests to outbound APIs.
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juju_apiserver_ping_failure_count
The current number of ping failures.
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juju_apiserver_request_duration_seconds
The latency of Juju API requests in seconds.
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juju_cache_application_config_reads
The number of times the application config is read.
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juju_cache_application_hash_cache_hit
The number of times the application config change hash was determined using the cached value.
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juju_cache_application_hash_cache_miss
The number of times the application config change hash was generated.
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juju_cache_applications
The number of applications managed by the controller.
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juju_cache_charm_config_watcher_hash_hit
The number of times a change in master or branch config required no notification to config watcher(s).
See more: Source
juju_cache_charm_config_watcher_hash_miss
See more: [Source](The number of times a change in master or branch config required notification to config watcher(s).)
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juju_cache_machines
The number of machines managed by the controller.
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juju_cache_model_config_reads
The number of times the model config is read.
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juju_cache_model_hash_cache_hit
The number of times the model config change hash was determined using the cached value.
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juju_cache_model_hash_cache_miss
The number of times the model config change hash was generated.
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juju_cache_models
The number of models in the controller.
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juju_cache_scrape_duration_seconds
The amount of time taken to collect state metrics.
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juju_cache_scrape_errors
The number of errors observed while collecting state metrics.
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juju_cache_units
The number of units managed by the controller.
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juju_cache_users
The number of local users in the controller.
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juju_db_duration_seconds
The total time spent in db requests.
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juju_db_requests_total
The number of active db requests.
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juju_db_txn_requests_total
The total number of txn requests including retries.
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juju_dependency_engine_worker_start
The current number of worker starts in the dependency engine by worker.
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juju_dependency_engine_worker_starts_for_model
The current number of worker starts in the dependency engine by model.
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juju_logsender_capacity
The total number of log messages that can be enqueued before being dropped.
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juju_logsender_dropped_total
The total number of log messages dropped.
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juju_logsender_enqueued_total
The total number of log messages enqueued.
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juju_logsender_sent_total
The total number of log messages sent.
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juju_mgo_txn_durations
The time (ms) taken to complete a transaction.
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juju_mgo_txn_ops_total
The total number of mgo/txn ops executed.
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juju_mgo_txn_retries
The number of attempts to complete a transaction.
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juju_mongo_dial_duration_seconds
The time taken dialing MongoDB server.
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juju_mongo_dials_total
The total number of MongoDB server dials.
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juju_multiwatcher_append
The time to append a queue entry in ms.
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juju_multiwatcher_dupe
The count of duplicate watcher notifications already in queue.
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juju_multiwatcher_process
The time to process a queue entry in ms.
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juju_multiwatcher_queue_age
The age in seconds of the oldest queue entry
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juju_multiwatcher_queue_size
The number of entries in the queue to process.
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juju_multiwatcher_restart_count
The number of times the all watcher has been restarted.
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juju_multiwatcher_store_size
The number of entities in the store.
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juju_multiwatcher_watcher_count
The number of multiwatcher type watchers there are.
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juju_peergrouper_replicaset_status
The details of the mongo replicaset.
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juju_pubsub_consumed
The consumed times for a pubsub message.
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juju_pubsub_published
The number of published message per topic.
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juju_pubsub_queue
The queue length for a given callback identifier.
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juju_pubsub_subscriptions
The number of subscriptions on a hub.
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juju_worker_modelcache_watcher_starts
The number of times the all model watcher has been started.
See more: Source
process_cpu_seconds_total
The total user and system CPU time spent in seconds.
process_max_fds
The maximum number of open file descriptors.
process_open_fds
The number of open file descriptors.
process_resident_memory_bytes
The resident memory size in bytes.
process_start_time_seconds
The start time of the process since unix epoch in seconds.
process_virtual_memory_bytes
The virtual memory size in bytes.
process_virtual_memory_max_bytes
The maximum amount of virtual memory available in bytes.