Basic Metrics: CAE Metrics

This section describes the types, names, and meanings of Cloud Application Engine (CAE) metrics reported to AOM.

**Table 1** CAE metrics
Category	Metric Name	Description
job:kubernetes-cadvisor	cadvisor_version_info	Version information of the cAdvisor module (a Docker container monitoring tool) in Prometheus
	container_cpu_cfs_periods_total	Number of elapsed enforcement period intervals
	container_cpu_cfs_throttled_periods_total	Number of throttled period intervals
	container_cpu_cfs_throttled_seconds_total	Total duration a container has been throttled
	container_cpu_load_average_10s	Value of container CPU load average over the last 10 seconds
	machine_cpu_physical_cores	Number of physical CPU cores
	machine_cpu_sockets	Number of CPU slots on a host
	machine_nvm_avg_power_budget_watts	Average power budget for non-volatile memory (NVM)
	machine_nvm_capacity	NVM of a host (usually a server or node)
	machine_scrape_error	Error encountered when collecting metrics from the target host (usually a server or container)
	container_cpu_system_seconds_total	Cumulative container CPU system time
	container_cpu_usage_seconds_total	Cumulative CPU time consumed by a container in core-seconds
	container_cpu_user_seconds_total	Cumulative user CPU time
	container_file_descriptors	Number of open file descriptors for a container
	container_fs_inodes_free	Number of available inodes in a file system
	container_fs_inodes_total	Number of inodes in a file system
	container_fs_io_current	Number of I/Os currently in progress in a disk or file system
	container_fs_io_time_seconds_total	Cumulative seconds spent on doing I/Os by a disk or file system
	container_fs_io_time_weighted_seconds_total	Cumulative weighted I/O time of a disk or file system
	container_fs_limit_bytes	Total disk or file system capacity that can be consumed by a container
	container_fs_read_seconds_total	Cumulative number of seconds a container spent on reading disk or file system data
	container_fs_reads_bytes_total	Cumulative amount of disk or file system data read by a container
	container_fs_reads_merged_total	Cumulative number of merged disk or file system reads made by a container
	container_fs_reads_total	Cumulative number of disk or file system reads completed by a container
	container_fs_sector_reads_total	Cumulative number of disk or file system sector reads completed by a container
	container_fs_sector_writes_total	Cumulative number of disk or file system sector writes completed by a container
	container_fs_usage_bytes	File system usage
	container_fs_write_seconds_total	Cumulative number of seconds a container spent on writing data to a disk or file system
	container_fs_writes_bytes_total	Total amount of data written by a container to a disk or file system
	container_fs_writes_merged_total	Cumulative number of merged container writes to a disk or file system
	container_fs_writes_total	Cumulative number of disk or file system writes completed by a container
	container_last_seen	Last time a container was seen by an exporter
	container_memory_cache	Memory used for the page cache of a container
	container_memory_failcnt	Number of memory usage hits limits
	container_memory_mapped_file	Size of a container memory mapped file
	container_memory_max_usage_bytes	Maximum memory usage recorded for a container
	container_memory_rss	Size of the resident memory set for a container
	container_memory_swap	Container swap usage
	container_memory_usage_bytes	Current memory usage of a container
	container_memory_working_set_bytes	Memory usage of the working set of a container
	container_network_receive_bytes_total	Total volume of data received by a container network
	container_network_receive_errors_total	Cumulative number of errors encountered during reception
	container_network_receive_packets_dropped_total	Cumulative number of packets dropped during reception
	container_network_receive_packets_total	Cumulative number of packets received
	container_network_transmit_bytes_total	Total volume of data transmitted on a container network
	container_network_transmit_errors_total	Cumulative number of errors encountered during transmission
	container_network_transmit_packets_dropped_total	Cumulative number of packets dropped during transmission
	container_network_transmit_packets_total	Cumulative number of packets transmitted
	container_processes	Number of processes running inside a container
	container_scrape_error	Number of errors encountered when collecting metrics from a container
	container_sockets	Number of open sockets for a container
	container_spec_cpu_period	CPU period of a container
	container_spec_cpu_quota	CPU quota of a container
	container_spec_cpu_shares	CPU share of a container
	container_spec_memory_limit_bytes	Memory limit for a container
	container_spec_memory_reservation_limit_bytes	Memory reservation limit for a container
	container_spec_memory_swap_limit_bytes	Memory swap limit for a container
	container_start_time_seconds	Running time of a container
	container_tasks_state	Number of tasks in the specified state, such as sleeping, running, stopped, uninterruptible, or ioawaiting
	container_threads	Number of threads running inside a container
	container_threads_max	Maximum number of threads allowed inside a container
	container_ulimits_soft	Soft ulimit value of process 1 in a container. Unlimited if the value is -1, except priority and nice.
	machine_cpu_cores	Number of CPU cores of a physical machine or VM
	machine_memory_bytes	Total memory size of a physical machine or VM
scrape_duration_seconds	Time taken to obtain monitoring data (that is, "scrape" data) from the target resource
scrape_samples_post_metric_relabeling	Number of samples collected after relabeling
scrape_samples_scraped	Number of samples scraped in a specific period
scrape_series_added	Performance of the monitoring data collection system (such as Prometheus)
up	Running time of a system component or service. For example, in a containerized environment (such as a Docker container), up indicates the startup time of a container.
job:kubernetes-node-exporter	node_filesystem_size_bytes	Consumed space of a file system
	node_memory_Buffers_bytes	Memory of the node buffer
	node_cpu_seconds_total	Seconds each CPU spent doing each type of work
	node_filesystem_avail_bytes	File system space that is available for use
	node_memory_Cached_bytes	Memory for the node page cache
	node_memory_MemFree_bytes	Free memory of a node
	node_memory_MemTotal_bytes	Total memory of a node
	node_network_receive_bytes_total	Total amount of received data
	node_network_transmit_bytes_total	Total amount of transmitted data
	node_disk_reads_completed_total	Number of disk reads completed
	node_disk_writes_completed_total	Number of disk writes completed
Aggregated metrics	cae_container_cpu_usage	CPU usage of a container
	cae_container_downlink_bps	Downlink bandwidth of a container (that is, the rate for transmitting data from the container to the external network)
	cae_container_fs_reads_bytes_total	Total number of bytes read by a container from a file system
	cae_container_fs_writes_bytes_total	Number of bytes written by a container to a file system
	cae_container_memory_usage	Memory usage of a container
	cae_container_uplink_bps	Uplink bandwidth rate (bit/s) of a container
	cae_node_cup_usage	CPU usage of a node (usually a Kubernetes node or physical/virtual server)
	cae_node_disk_reads_bytes	Number of bytes read from the disk of a node (usually a host or server)
	cae_node_disk_usage	Disk usage of a node (usually a Kubernetes node or server)
	cae_node_disk_writes_bytes	Number of bytes written to the disk of a node (usually a host or server)
	cae_node_downlink_bps	Downlink bandwidth rate (bit/s) of a node (usually a server or VM)
	cae_node_memory_usage	Memory usage of a node (usually a Kubernetes node or physical/virtual server)
	cae_node_uplink_bps	Uplink bandwidth rate (bit/s) of a node in a Kubernetes cluster