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Update metrics doc with new queue metrics, improve formatting 

Tabularize FTW:
http://vimcasts.org/episodes/aligning-text-with-tabular-vim/

Add new preview-readme make target (pre alias) for quickly previewing
md changes locally, using GitHub Markdown styling.
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Gerhard Lazu 2019-11-26 15:49:09 +00:00
parent d9fd9c7eb8
commit 0efb206656
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10
deps/rabbitmq_prometheus/Makefile vendored
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@ -57,6 +57,16 @@ clean-docker: ## cd | Clean all Docker containers & volumes
.PHONY: cd
cd: clean-docker
.PHONY: preview-readme
preview-readme: ## pre | Preview README & live reload on edit
@docker run --interactive --tty --rm --name changelog_md \
--volume $(CURDIR):/data \
--volume $(HOME)/.grip:/.grip \
--expose 5000 --publish 5000:5000 \
mbentley/grip --context=. 0.0.0.0:5000
.PHONY: pre
pre: preview-readme
define CTOP_CONTAINER
docker pull quay.io/vektorlab/ctop:latest && \
docker run --rm --interactive --tty \

399
deps/rabbitmq_prometheus/metrics.md vendored
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@ -8,7 +8,7 @@
- [Connections](#connections)
- [Channels](#channels)
- [Queues](#queues)
- [Erlang](#erlang)
- [Erlang via RabbitMQ](#erlang-via-rabbitmq)
- [Disk IO](#disk-io)
- [Raft](#raft)
- [Telemetry](#telemetry)
@ -17,240 +17,243 @@
- [VM](#vm)
<!-- /TOC -->
## RabbitMQ
### Global
metric | description
-------| ------------
|rabbitmq_consumer_prefetch| Limit of unacknowledged messages for each consumer|
|rabbitmq_channel_prefetch| Total limit of unacknowledged messages for all consumers on a channel|
| Metric | Description |
| --- | --- |
| rabbitmq_consumer_prefetch | Limit of unacknowledged messages for each consumer |
| rabbitmq_channel_prefetch | Total limit of unacknowledged messages for all consumers on a channel |
### Overview
metric | description
-------| ------------
|rabbitmq_connections_opened_total| Total number of connections opened|
|rabbitmq_connections_closed_total| Total number of connections closed or terminated|
|rabbitmq_channels_opened_total| Total number of channels opened|
|rabbitmq_channels_closed_total| Total number of channels closed|
|rabbitmq_queues_declared_total| Total number of queues declared|
|rabbitmq_queues_created_total| Total number of queues created|
|rabbitmq_queues_deleted_total| Total number of queues deleted|
|rabbitmq_process_open_fds| Open file descriptors|
|rabbitmq_process_open_tcp_sockets |Open TCP sockets|
|rabbitmq_process_resident_memory_bytes| Memory used in bytes|
|rabbitmq_disk_space_available_bytes| Disk space available in bytes|
|rabbitmq_process_max_fds| Open file descriptors limit|
|rabbitmq_process_max_tcp_sockets| Open TCP sockets limit|
|rabbitmq_resident_memory_limit_bytes| Memory high watermark in bytes|
|rabbitmq_disk_space_available_limit_bytes| Free disk space low watermark in bytes|
|rabbitmq_connections| Connections currently open|
|rabbitmq_channels| Channels currently open|
|rabbitmq_consumers| Consumers currently connected|
|rabbitmq_queues| Queues available|
|rabbitmq_build_info| RabbitMQ & Erlang/OTP version info|
|rabbitmq_identity_info| RabbitMQ node & cluster identity info|
| Metric | Description |
| --- | --- |
| rabbitmq_connections_opened_total | Total number of connections opened |
| rabbitmq_connections_closed_total | Total number of connections closed or terminated |
| rabbitmq_channels_opened_total | Total number of channels opened |
| rabbitmq_channels_closed_total | Total number of channels closed |
| rabbitmq_queues_declared_total | Total number of queues declared |
| rabbitmq_queues_created_total | Total number of queues created |
| rabbitmq_queues_deleted_total | Total number of queues deleted |
| rabbitmq_process_open_fds | Open file descriptors |
| rabbitmq_process_open_tcp_sockets | Open TCP sockets |
| rabbitmq_process_resident_memory_bytes | Memory used in bytes |
| rabbitmq_disk_space_available_bytes | Disk space available in bytes |
| rabbitmq_process_max_fds | Open file descriptors limit |
| rabbitmq_process_max_tcp_sockets | Open TCP sockets limit |
| rabbitmq_resident_memory_limit_bytes | Memory high watermark in bytes |
| rabbitmq_disk_space_available_limit_bytes | Free disk space low watermark in bytes |
| rabbitmq_connections | Connections currently open |
| rabbitmq_channels | Channels currently open |
| rabbitmq_consumers | Consumers currently connected |
| rabbitmq_queues | Queues available |
| rabbitmq_build_info | RabbitMQ & Erlang/OTP version info |
| rabbitmq_identity_info | RabbitMQ node & cluster identity info |
### Connections
metric | description
-------| ------------
|rabbitmq_connection_incoming_bytes_total| Total number of bytes received on a connection|
|rabbitmq_connection_outgoing_bytes_total| Total number of bytes sent on a connection|
|rabbitmq_connection_process_reductions_total| Total number of connection process reductions|
|rabbitmq_connection_incoming_packets_total| Total number of packets received on a connection|
|rabbitmq_connection_outgoing_packets_total| Total number of packets sent on a connection|
|rabbitmq_connection_pending_packets| Number of packets waiting to be sent on a connection|
|rabbitmq_connection_channels| Channels on a connection|
| Metric | Description |
| --- | --- |
| rabbitmq_connection_incoming_bytes_total | Total number of bytes received on a connection |
| rabbitmq_connection_outgoing_bytes_total | Total number of bytes sent on a connection |
| rabbitmq_connection_process_reductions_total | Total number of connection process reductions |
| rabbitmq_connection_incoming_packets_total | Total number of packets received on a connection |
| rabbitmq_connection_outgoing_packets_total | Total number of packets sent on a connection |
| rabbitmq_connection_pending_packets | Number of packets waiting to be sent on a connection |
| rabbitmq_connection_channels | Channels on a connection |
### Channels
metric | description
-------| ------------
|rabbitmq_channel_consumers| Consumers on a channel|
|rabbitmq_channel_messages_unacked| Delivered but not yet acknowledged messages|
|rabbitmq_channel_messages_unconfirmed| Published but not yet confirmed messages|
|rabbitmq_channel_messages_uncommitted| Messages received in a transaction but not yet committed|
|rabbitmq_channel_acks_uncommitted| Message acknowledgements in a transaction not yet committed|
|rabbitmq_channel_messages_published_total| Total number of messages published into an exchange on a channel|
|rabbitmq_channel_messages_confirmed_total| Total number of messages published into an exchange and confirmed on the channel|
|rabbitmq_channel_messages_unroutable_returned_total| Total number of messages published as mandatory into an exchange and returned to the publisher as unroutable|
|rabbitmq_channel_messages_unroutable_dropped_total| Total number of messages published as non-mandatory into an exchange and dropped as unroutable|
|rabbitmq_channel_process_reductions_total| Total number of channel process reductions|
|rabbitmq_channel_get_ack_total| Total number of messages fetched with basic.get in manual acknowledgement mode|
|rabbitmq_channel_get_total| Total number of messages fetched with basic.get in automatic acknowledgement mode|
|rabbitmq_channel_messages_delivered_ack_total| Total number of messages delivered to consumers in manual acknowledgement mode|
|rabbitmq_channel_messages_delivered_total| Total number of messages delivered to consumers in automatic acknowledgement mode|
|rabbitmq_channel_messages_redelivered_total| Total number of messages redelivered to consumers|
|rabbitmq_channel_messages_acked_total| Total number of messages acknowledged by consumers|
|rabbitmq_channel_get_empty_total| Total number of times basic.get operations fetched no message|
| Metric | Description |
| --- | --- |
| rabbitmq_channel_consumers | Consumers on a channel |
| rabbitmq_channel_messages_unacked | Delivered but not yet acknowledged messages |
| rabbitmq_channel_messages_unconfirmed | Published but not yet confirmed messages |
| rabbitmq_channel_messages_uncommitted | Messages received in a transaction but not yet committed |
| rabbitmq_channel_acks_uncommitted | Message acknowledgements in a transaction not yet committed |
| rabbitmq_channel_messages_published_total | Total number of messages published into an exchange on a channel |
| rabbitmq_channel_messages_confirmed_total | Total number of messages published into an exchange and confirmed on the channel |
| rabbitmq_channel_messages_unroutable_returned_total | Total number of messages published as mandatory into an exchange and returned to the publisher as unroutable |
| rabbitmq_channel_messages_unroutable_dropped_total | Total number of messages published as non-mandatory into an exchange and dropped as unroutable |
| rabbitmq_channel_process_reductions_total | Total number of channel process reductions |
| rabbitmq_channel_get_ack_total | Total number of messages fetched with basic.get in manual acknowledgement mode |
| rabbitmq_channel_get_total | Total number of messages fetched with basic.get in automatic acknowledgement mode |
| rabbitmq_channel_messages_delivered_ack_total | Total number of messages delivered to consumers in manual acknowledgement mode |
| rabbitmq_channel_messages_delivered_total | Total number of messages delivered to consumers in automatic acknowledgement mode |
| rabbitmq_channel_messages_redelivered_total | Total number of messages redelivered to consumers |
| rabbitmq_channel_messages_acked_total | Total number of messages acknowledged by consumers |
| rabbitmq_channel_get_empty_total | Total number of times basic.get operations fetched no message |
### Queues
metric | description
-------| ------------
|rabbitmq_queue_messages_published_total| Total number of messages published to queues|
|rabbitmq_queue_messages_ready| Messages ready to be delivered to consumers|
|rabbitmq_queue_messages_unacked| Messages delivered to consumers but not yet acknowledged|
|rabbitmq_queue_messages| Sum of ready and unacknowledged messages - total queue depth|
|rabbitmq_queue_process_reductions_total| Total number of queue process reductions|
|rabbitmq_queue_consumers| Consumers on a queue|
|rabbitmq_queue_process_memory_bytes| Memory in bytes used by the Erlang queue process|
|rabbitmq_queue_messages_bytes| Size in bytes of ready and unacknowledged messages|
|rabbitmq_queue_messages_ram| Ready and unacknowledged messages stored in memory|
|rabbitmq_queue_messages_ready_ram| Ready messages stored in memory|
|rabbitmq_queue_messages_ready_bytes| Size in bytes of ready messages|
|rabbitmq_queue_messages_unacked_ram| Unacknowledged messages stored in memory|
|rabbitmq_queue_messages_unacked_bytes| Size in bytes of all unacknowledged messages|
|rabbitmq_queue_messages_persistent| Persistent messages|
|rabbitmq_queue_messages_persistent_bytes| Size in bytes of persistent messages|
|rabbitmq_queue_messages_paged_out| Messages paged out to disk|
|rabbitmq_queue_messages_paged_out_bytes| Size in bytes of messages paged out to disk|
|rabbitmq_queue_disk_reads_total| Total number of times queue read messages from disk|
|rabbitmq_queue_disk_writes_total| Total number of times queue wrote messages to disk|
| Metric | Description |
| --- | --- |
| rabbitmq_queue_messages_published_total | Total number of messages published to queues |
| rabbitmq_queue_messages_ready | Messages ready to be delivered to consumers |
| rabbitmq_queue_messages_unacked | Messages delivered to consumers but not yet acknowledged |
| rabbitmq_queue_messages | Sum of ready and unacknowledged messages - total queue depth |
| rabbitmq_queue_process_reductions_total | Total number of queue process reductions |
| rabbitmq_queue_consumers | Consumers on a queue |
| rabbitmq_queue_consumer_utilisation | Consumer utilisation |
| rabbitmq_queue_process_memory_bytes | Memory in bytes used by the Erlang queue process |
| rabbitmq_queue_messages_ram | Ready and unacknowledged messages stored in memory |
| rabbitmq_queue_messages_ram_bytes | Size of ready and unacknowledged messages stored in memory |
| rabbitmq_queue_messages_ready_ram | Ready messages stored in memory |
| rabbitmq_queue_messages_unacked_ram | Unacknowledged messages stored in memory |
| rabbitmq_queue_messages_persistent | Persistent messages |
| rabbitmq_queue_messages_persistent_bytes | Size in bytes of persistent messages |
| rabbitmq_queue_messages_bytes | Size in bytes of ready and unacknowledged messages |
| rabbitmq_queue_messages_ready_bytes | Size in bytes of ready messages |
| rabbitmq_queue_messages_unacked_bytes | Size in bytes of all unacknowledged messages |
| rabbitmq_queue_messages_paged_out | Messages paged out to disk |
| rabbitmq_queue_messages_paged_out_bytes | Size in bytes of messages paged out to disk |
| rabbitmq_queue_disk_reads_total | Total number of times queue read messages from disk |
| rabbitmq_queue_disk_writes_total | Total number of times queue wrote messages to disk |
### Erlang
### Erlang via RabbitMQ
metric | description
-------| ------------
|rabbitmq_erlang_processes_used| Erlang processes used|
|rabbitmq_erlang_gc_runs_total| Total number of Erlang garbage collector runs|
|rabbitmq_erlang_gc_reclaimed_bytes_totalTotal| number of bytes of memory reclaimed by Erlang garbage collector|
|rabbitmq_erlang_scheduler_context_switches_total| Total number of Erlang scheduler context switches|
|rabbitmq_erlang_processes_limit| Erlang processes limit|
|rabbitmq_erlang_scheduler_run_queue| Erlang scheduler run queue|
|rabbitmq_erlang_net_ticktime_seconds| Inter-node heartbeat interval in seconds|
|rabbitmq_erlang_uptime_seconds| Node uptime|
| Metric | Description |
| --- | --- |
| rabbitmq_erlang_processes_used | Erlang processes used |
| rabbitmq_erlang_gc_runs_total | Total number of Erlang garbage collector runs |
| rabbitmq_erlang_gc_reclaimed_bytes_totalTotal | number of bytes of memory reclaimed by Erlang garbage collector |
| rabbitmq_erlang_scheduler_context_switches_total | Total number of Erlang scheduler context switches |
| rabbitmq_erlang_processes_limit | Erlang processes limit |
| rabbitmq_erlang_scheduler_run_queue | Erlang scheduler run queue |
| rabbitmq_erlang_net_ticktime_seconds | Inter-node heartbeat interval in seconds |
| rabbitmq_erlang_uptime_seconds | Node uptime |
### Disk IO
metric | description
-------| ------------
|rabbitmq_io_read_ops_total| Total number of I/O read operations|
|rabbitmq_io_read_bytes_total| Total number of I/O bytes read|
|rabbitmq_io_write_ops_total| Total number of I/O write operations|
|rabbitmq_io_write_bytes_total| Total number of I/O bytes written|
|rabbitmq_io_sync_ops_total| Total number of I/O sync operations|
|rabbitmq_io_seek_ops_total| Total number of I/O seek operations|
|rabbitmq_io_open_attempt_ops_total| Total number of file open attempts|
|rabbitmq_io_reopen_ops_total| Total number of times files have been reopened|
|rabbitmq_schema_db_ram_tx_total| Total number of Schema DB memory transactions|
|rabbitmq_schema_db_disk_tx_total| Total number of Schema DB disk transactions|
|rabbitmq_msg_store_read_total| Total number of Message Store read operations|
|rabbitmq_msg_store_write_total| Total number of Message Store write operations|
|rabbitmq_queue_index_read_ops_total| Total number of Queue Index read operations|
|rabbitmq_queue_index_write_ops_total| Total number of Queue Index write operations|
|rabbitmq_queue_index_journal_write_ops_total| Total number of Queue Index Journal write operations|
|rabbitmq_io_read_time_seconds_total| Total I/O read time|
|rabbitmq_io_write_time_seconds_total| Total I/O write time|
|rabbitmq_io_sync_time_seconds_total| Total I/O sync time|
|rabbitmq_io_seek_time_seconds_total| Total I/O seek time|
|rabbitmq_io_open_attempt_time_seconds_total| Total file open attempts time|
| Metric | Description |
| --- | --- |
| rabbitmq_io_read_ops_total | Total number of I/O read operations |
| rabbitmq_io_read_bytes_total | Total number of I/O bytes read |
| rabbitmq_io_write_ops_total | Total number of I/O write operations |
| rabbitmq_io_write_bytes_total | Total number of I/O bytes written |
| rabbitmq_io_sync_ops_total | Total number of I/O sync operations |
| rabbitmq_io_seek_ops_total | Total number of I/O seek operations |
| rabbitmq_io_open_attempt_ops_total | Total number of file open attempts |
| rabbitmq_io_reopen_ops_total | Total number of times files have been reopened |
| rabbitmq_schema_db_ram_tx_total | Total number of Schema DB memory transactions |
| rabbitmq_schema_db_disk_tx_total | Total number of Schema DB disk transactions |
| rabbitmq_msg_store_read_total | Total number of Message Store read operations |
| rabbitmq_msg_store_write_total | Total number of Message Store write operations |
| rabbitmq_queue_index_read_ops_total | Total number of Queue Index read operations |
| rabbitmq_queue_index_write_ops_total | Total number of Queue Index write operations |
| rabbitmq_queue_index_journal_write_ops_total | Total number of Queue Index Journal write operations |
| rabbitmq_io_read_time_seconds_total | Total I/O read time |
| rabbitmq_io_write_time_seconds_total | Total I/O write time |
| rabbitmq_io_sync_time_seconds_total | Total I/O sync time |
| rabbitmq_io_seek_time_seconds_total | Total I/O seek time |
| rabbitmq_io_open_attempt_time_seconds_total | Total file open attempts time |
### Raft
metric | description
-------| ------------
|rabbitmq_raft_term_total| Current Raft term number|
|rabbitmq_raft_log_snapshot_index| Raft log snapshot index|
|rabbitmq_raft_log_last_applied_index| Raft log last applied index|
|rabbitmq_raft_log_commit_index| Raft log commit index|
|rabbitmq_raft_log_last_written_index| Raft log last written index|
|rabbitmq_raft_entry_commit_latency| Time taken for an entry to be committed|
| Metric | Description |
| --- | --- |
| rabbitmq_raft_term_total | Current Raft term number |
| rabbitmq_raft_log_snapshot_index | Raft log snapshot index |
| rabbitmq_raft_log_last_applied_index | Raft log last applied index |
| rabbitmq_raft_log_commit_index | Raft log commit index |
| rabbitmq_raft_log_last_written_index | Raft log last written index |
| rabbitmq_raft_entry_commit_latency | Time taken for an entry to be committed |
## Telemetry
metric | description
-------| ------------
|telemetry_scrape_encoded_size_bytes| Scrape size, encoded|
|telemetry_scrape_size_bytes| Scrape size, not encoded|
|telemetry_scrape_duration_seconds| Scrape duration|
| Metric | Description |
| --- | --- |
| telemetry_scrape_encoded_size_bytes | Scrape size, encoded |
| telemetry_scrape_size_bytes | Scrape size, not encoded |
| telemetry_scrape_duration_seconds | Scrape duration |
## Erlang
### Mnesia
metric | description
-------| ------------
|erlang_mnesia_held_locks| Number of held locks|
|erlang_mnesia_lock_queue| Number of transactions waiting for a lock.
|erlang_mnesia_transaction_participants| Number of participant transactions.
|erlang_mnesia_transaction_coordinators| Number of coordinator transactions.
|erlang_mnesia_failed_transactions| Number of failed (i.e. aborted) transactions.
|erlang_mnesia_committed_transactions| Number of committed transactions.
|erlang_mnesia_logged_transactions| Number of transactions logged.
|erlang_mnesia_restarted_transactions| Total number of transaction restarts.
| Metric | Description |
| --- | --- |
| erlang_mnesia_held_locks | Number of held locks |
| erlang_mnesia_lock_queue | Number of transactions waiting for a lock |
| erlang_mnesia_transaction_participants | Number of participant transactions |
| erlang_mnesia_transaction_coordinators | Number of coordinator transactions |
| erlang_mnesia_failed_transactions | Number of failed (i.e. aborted) transactions |
| erlang_mnesia_committed_transactions | Number of committed transactions |
| erlang_mnesia_logged_transactions | Number of transactions logged |
| erlang_mnesia_restarted_transactions | Total number of transaction restarts |
### VM
metric | description
-------| ------------
|erlang_vm_dist_recv_bytes| Number of bytes received by the socket.|
|erlang_vm_dist_recv_cnt| Number of packets received by the socket.|
|erlang_vm_dist_recv_max_bytes| Size of the largest packet, in bytes, received by the socket.|
|erlang_vm_dist_recv_avg_bytes| Average size of packets, in bytes, received by the socket.|
|erlang_vm_dist_recv_dvi_bytes| Average packet size deviation, in bytes, received by the socket.|
|erlang_vm_dist_send_bytes| Number of bytes sent from the socket.|
|erlang_vm_dist_send_cnt| Number of packets sent from the socket.|
|erlang_vm_dist_send_max_bytes| Size of the largest packet, in bytes, sent from the socket.|
|erlang_vm_dist_send_avg_bytes| Average size of packets, in bytes, sent from the socket.|
|erlang_vm_dist_send_pend_bytes| Number of bytes waiting to be sent by the socket.|
|erlang_vm_dist_port_input_bytes| The total number of bytes read from the port.|
|erlang_vm_dist_port_output_bytes| The total number of bytes written to the port.|
|erlang_vm_dist_port_memory_bytes| The total number of bytes allocated for this port by the runtime system. The port itself can have allocated memory that is not included.|
|erlang_vm_dist_port_queue_size_bytes| The total number of bytes queued by the port using the ERTS driver queue implementation.|
|erlang_vm_dist_proc_memory_bytes| The size in bytes of the process. This includes call stack, heap, and internal structures.|
|erlang_vm_dist_proc_heap_size_words| The size in words of the youngest heap generation of the process. This generation includes the process stack. This information is highly implementation-dependent, and can change if the implementation changes.|
|erlang_vm_dist_proc_min_heap_size_words| The minimum heap size for the process.|
|erlang_vm_dist_proc_min_bin_vheap_size_words| The minimum binary virtual heap size for the process.|
|erlang_vm_dist_proc_stack_size_words| The stack size, in words, of the process.|
|erlang_vm_dist_proc_total_heap_size_words| The total size, in words, of all heap fragments of the process. This includes the process stack and any unreceived messages that are considered to be part of the heap.|
|erlang_vm_dist_proc_message_queue_len| The number of messages currently in the message queue of the process.|
|erlang_vm_dist_proc_reductions| The number of reductions executed by the process.|
|erlang_vm_dist_proc_status| The current status of the distribution process. The status is represented as a numerical value where `exiting=1', `suspended=2', `runnable=3', `garbage_collecting=4', `running=5' and `waiting=6'.|
|erlang_vm_dist_node_state| The current state of the distribution link. The state is represented as a numerical value where `pending=1', `up_pending=2' and `up=3'.|
|erlang_vm_memory_atom_bytes_total| The total amount of memory currently allocated for atoms. This memory is part of the memory presented as system memory.|
|erlang_vm_memory_bytes_total| The total amount of memory currently allocated. This is the same as the sum of the memory size for processes and system.|
|erlang_vm_memory_dets_tables| Erlang VM DETS Tables count.|
|erlang_vm_memory_ets_tables| Erlang VM ETS Tables count.|
|erlang_vm_memory_processes_bytes_total| The total amount of memory currently allocated for the Erlang processes.|
|erlang_vm_memory_system_bytes_total| The total amount of memory currently allocated for the emulator that is not directly related to any Erlang process. Memory presented as processes is not included in this memory.|
|erlang_vm_statistics_bytes_output_total| Total number of bytes output to ports.|
|erlang_vm_statistics_bytes_received_total| Total number of bytes received through ports.|
|erlang_vm_statistics_context_switches| Total number of context switches since the system started.|
|erlang_vm_statistics_dirty_cpu_run_queue_length| Length of the dirty CPU run-queue.|
|erlang_vm_statistics_dirty_io_run_queue_length| Length of the dirty IO run-queue.|
|erlang_vm_statistics_garbage_collection_number_of_gcs| Garbage collection: number of GCs.|
|erlang_vm_statistics_garbage_collection_bytes_reclaimed| Garbage collection: bytes reclaimed.|
|erlang_vm_statistics_garbage_collection_words_reclaimed| Garbage collection: words reclaimed.|
|erlang_vm_statistics_reductions_total| Total reductions.|
|erlang_vm_statistics_run_queues_length_total| Length of normal run-queues.|
|erlang_vm_statistics_wallclock_time_milliseconds| Information about wall clock. Same as| erlang_vm_statistics_runtime_milliseconds except that real time is measured.
|erlang_vm_statistics_runtime_milliseconds| The sum of the runtime for all threads in the Erlang runtime system. Can be greater than wall clock time.|
|erlang_vm_statistics_wallclock_time_milliseconds| Information about wall clock. Same as erlang_vm_statistics_runtime_milliseconds except that real time is measured.|
|erlang_vm_dirty_cpu_schedulers| The number of scheduler dirty CPU scheduler threads used by the emulator.|
|erlang_vm_dirty_cpu_schedulers_online| The number of dirty CPU scheduler threads online.|
|erlang_vm_dirty_io_schedulers| The number of scheduler dirty I/O scheduler threads used by the emulator.|
|erlang_vm_ets_limit| The maximum number of ETS tables allowed.|
|erlang_vm_logical_processors| The detected number of logical processors configured in the system.|
|erlang_vm_logical_processors_available| The detected number of logical processors available to the Erlang runtime system.|
|erlang_vm_logical_processors_online| The detected number of logical processors online on the system.|
|erlang_vm_port_count| The number of ports currently existing at the local node.|
|erlang_vm_port_limit| The maximum number of simultaneously existing ports at the local node.|
|erlang_vm_process_count| The number of processes currently existing at the local node.|
|erlang_vm_process_limit| The maximum number of simultaneously existing processes at the local node.|
|erlang_vm_schedulers| The number of scheduler threads used by the emulator.|
|erlang_vm_schedulers_online| The number of schedulers online.|
|erlang_vm_smp_support| 1 if the emulator has been compiled with SMP support, otherwise 0.|
|erlang_vm_threads| 1 if the emulator has been compiled with thread support, otherwise 0.|
|erlang_vm_thread_pool_size| The number of async threads in the async thread pool used for asynchronous driver calls.|
|erlang_vm_time_correction| 1 if time correction is enabled, otherwise 0.|
|erlang_vm_atom_count| The number of atom currently existing at the local node.|
|erlang_vm_atom_limit| The maximum number of simultaneously existing atom at the local node.|
|erlang_vm_allocators| Allocated (carriers_size) and used (blocks_size) memory for the different allocators in the VM. See erts_alloc(3).|
| Metric | Description |
| --- | --- |
| erlang_vm_dist_recv_bytes | Number of bytes received by the socket. |
| erlang_vm_dist_recv_cnt | Number of packets received by the socket. |
| erlang_vm_dist_recv_max_bytes | Size of the largest packet, in bytes, received by the socket. |
| erlang_vm_dist_recv_avg_bytes | Average size of packets, in bytes, received by the socket. |
| erlang_vm_dist_recv_dvi_bytes | Average packet size deviation, in bytes, received by the socket. |
| erlang_vm_dist_send_bytes | Number of bytes sent from the socket. |
| erlang_vm_dist_send_cnt | Number of packets sent from the socket. |
| erlang_vm_dist_send_max_bytes | Size of the largest packet, in bytes, sent from the socket. |
| erlang_vm_dist_send_avg_bytes | Average size of packets, in bytes, sent from the socket. |
| erlang_vm_dist_send_pend_bytes | Number of bytes waiting to be sent by the socket. |
| erlang_vm_dist_port_input_bytes | The total number of bytes read from the port. |
| erlang_vm_dist_port_output_bytes | The total number of bytes written to the port. |
| erlang_vm_dist_port_memory_bytes | The total number of bytes allocated for this port by the runtime system. The port itself can have allocated memory that is not included. |
| erlang_vm_dist_port_queue_size_bytes | The total number of bytes queued by the port using the ERTS driver queue implementation. |
| erlang_vm_dist_proc_memory_bytes | The size in bytes of the process. This includes call stack, heap, and internal structures. |
| erlang_vm_dist_proc_heap_size_words | The size in words of the youngest heap generation of the process. This generation includes the process stack. This information is highly implementation-dependent, and can change if the implementation changes. |
| erlang_vm_dist_proc_min_heap_size_words | The minimum heap size for the process. |
| erlang_vm_dist_proc_min_bin_vheap_size_words | The minimum binary virtual heap size for the process. |
| erlang_vm_dist_proc_stack_size_words | The stack size, in words, of the process. |
| erlang_vm_dist_proc_total_heap_size_words | The total size, in words, of all heap fragments of the process. This includes the process stack and any unreceived messages that are considered to be part of the heap. |
| erlang_vm_dist_proc_message_queue_len | The number of messages currently in the message queue of the process. |
| erlang_vm_dist_proc_reductions | The number of reductions executed by the process. |
| erlang_vm_dist_proc_status | The current status of the distribution process. The status is represented as a numerical value where `exiting=1', `suspended=2', `runnable=3', `garbage_collecting=4', `running=5' and `waiting=6'. |
| erlang_vm_dist_node_state | The current state of the distribution link. The state is represented as a numerical value where `pending=1', `up_pending=2' and `up=3'. |
| erlang_vm_memory_atom_bytes_total | The total amount of memory currently allocated for atoms. This memory is part of the memory presented as system memory. |
| erlang_vm_memory_bytes_total | The total amount of memory currently allocated. This is the same as the sum of the memory size for processes and system. |
| erlang_vm_memory_dets_tables | Erlang VM DETS Tables count. |
| erlang_vm_memory_ets_tables | Erlang VM ETS Tables count. |
| erlang_vm_memory_processes_bytes_total | The total amount of memory currently allocated for the Erlang processes. |
| erlang_vm_memory_system_bytes_total | The total amount of memory currently allocated for the emulator that is not directly related to any Erlang process. Memory presented as processes is not included in this memory. |
| erlang_vm_statistics_bytes_output_total | Total number of bytes output to ports. |
| erlang_vm_statistics_bytes_received_total | Total number of bytes received through ports. |
| erlang_vm_statistics_context_switches | Total number of context switches since the system started. |
| erlang_vm_statistics_dirty_cpu_run_queue_length | Length of the dirty CPU run-queue. |
| erlang_vm_statistics_dirty_io_run_queue_length | Length of the dirty IO run-queue. |
| erlang_vm_statistics_garbage_collection_number_of_gcs | Garbage collection: number of GCs. |
| erlang_vm_statistics_garbage_collection_bytes_reclaimed | Garbage collection: bytes reclaimed. |
| erlang_vm_statistics_garbage_collection_words_reclaimed | Garbage collection: words reclaimed. |
| erlang_vm_statistics_reductions_total | Total reductions. |
| erlang_vm_statistics_run_queues_length_total | Length of normal run-queues. |
| erlang_vm_statistics_wallclock_time_milliseconds | Information about wall clock. Same as erlang_vm_statistics_runtime_milliseconds except that real time is measured. |
| erlang_vm_statistics_runtime_milliseconds | The sum of the runtime for all threads in the Erlang runtime system. Can be greater than wall clock time. |
| erlang_vm_statistics_wallclock_time_milliseconds | Information about wall clock. Same as erlang_vm_statistics_runtime_milliseconds except that real time is measured. |
| erlang_vm_dirty_cpu_schedulers | The number of scheduler dirty CPU scheduler threads used by the emulator. |
| erlang_vm_dirty_cpu_schedulers_online | The number of dirty CPU scheduler threads online. |
| erlang_vm_dirty_io_schedulers | The number of scheduler dirty I/O scheduler threads used by the emulator. |
| erlang_vm_ets_limit | The maximum number of ETS tables allowed. |
| erlang_vm_logical_processors | The detected number of logical processors configured in the system. |
| erlang_vm_logical_processors_available | The detected number of logical processors available to the Erlang runtime system. |
| erlang_vm_logical_processors_online | The detected number of logical processors online on the system. |
| erlang_vm_port_count | The number of ports currently existing at the local node. |
| erlang_vm_port_limit | The maximum number of simultaneously existing ports at the local node. |
| erlang_vm_process_count | The number of processes currently existing at the local node. |
| erlang_vm_process_limit | The maximum number of simultaneously existing processes at the local node. |
| erlang_vm_schedulers | The number of scheduler threads used by the emulator. |
| erlang_vm_schedulers_online | The number of schedulers online. |
| erlang_vm_smp_support | 1 if the emulator has been compiled with SMP support, otherwise 0. |
| erlang_vm_threads | 1 if the emulator has been compiled with thread support, otherwise 0. |
| erlang_vm_thread_pool_size | The number of async threads in the async thread pool used for asynchronous driver calls. |
| erlang_vm_time_correction | 1 if time correction is enabled, otherwise 0. |
| erlang_vm_atom_count | The number of atom currently existing at the local node. |
| erlang_vm_atom_limit | The maximum number of simultaneously existing atom at the local node. |
| erlang_vm_allocators | Allocated (carriers_size) and used (blocks_size) memory for the different allocators in the VM. See erts_alloc(3). |