Foglight for Container Management 4.0

Table 6. Node metrics
Metric name	Description
CPU Usage Rate	CPU usage rate on all cores in millicores/second.
CPU Request	CPU request (the guaranteed amount of resources) in millicores.
CPU Limit	CPU hard limit in millicores.
CPU Utilization	CPU utilization as a share of node allocatable.
CPU Allocatable	Available CPU to allocate to workloads.
CPU Capacity	Hard CPU capacity of node.
Memory Usage	Total memory usage in bytes.
Memory Working Set	Total working set usage. Working set is the memory being used and not easily dropped by the kernel.
Memory RSS	RSS memory usage.
Memory Cache	Number of bytes of page cache memory.
Memory Swap	Container swap usage in bytes.
Memory Request	Memory request (the guaranteed amount of resources) in bytes.
Memory Capacity	Hard memory capacity of node.
Memory Limit	Memory hard limit in bytes.
Memory Allocatable	Available Memory to allocate to workloads.
Memory Utilization	Memory utilization as a share of memory allocatable.
Network Send Bytes Rate	Network send bytes per second.
Network Receive Bytes Rate	Network receive bytes per second.
Network Transfer Bytes Rate	Network send and receive bytes per second.
Network Send Errors Rate	Network send errors count per second.
Network Receive Errors Rate	Network receive errors count per second.
Network Transfer Errors Rate	Network send and receive errors count per second.
Network Send Packets Rate	Network send packets count per second.
Network Receive Packets Rate	Network receive packets count per second.
Network Transfer Packets Rate	Network send and receive packets count per second.
Network Send Dropped Packets Rate	Network send dropped packets count per second.
Network Receive Dropped Packets Rate	Network receive dropped packets count per second.
Network Transfer Dropped Packets Rate	Network send and receive dropped packets count per second.
Filesystem Usage	Number of bytes that are consumed by the container on this filesystem.
Filesystem Capacity	Number of bytes that can be consumed by the container on this filesystem.
Filesystem Utilization	Percentage of Filesystem Usage / Filesystem Capacity.
Filesystem Inodes Usage	Number of Inodes that are consumed by the container on this filesystem.
Filesystem Inodes Total	Number of Inodes that can be consumed by the container on this filesystem.
Filesystem Inodes Utilization	Percentage of Filesystem Inodes Usage / Filesystem Inodes Capacity.
Filesystem Read Bytes Rate	Filesystem read bytes per second.
Filesystem Write Bytes Rate	Filesystem write bytes per second.
Filesystem Read Rate	Filesystem read counts per second.
Filesystem Write Rate	Filesystem write counts per second.

Docker Swarm metrics

Container metrics

Table 7. Container metrics
Metric name	Description
CPU Utilization	CPU utilization.
CPU Time Used	Total CPU time that a container used.
CPU Throttled Time	Total time that a container’s CPU usage was throttled.
Memory Page Fault	Total page fault count of a container’s Memory.
Memory Consumed	Total memory consumed of a container in bytes.
Memory Utilization	Memory utilization.
Memory PageIn Rate	Total page in count of a container’s Memory.
Memory PageOut Rate	Total page out count of a container’s Memory.
Disk Read Bytes	Total disk read bytes.
Disk Write Bytes	Total disk write bytes.
Disk Transfer Rate	Sum of total disk read and write bytes.
Network Send Packets	Total network send packets count.
Network Receive Packets	Total network receive packets count.
Network Send Bytes	Total network send bytes.
Network Receive Bytes	Total network receive bytes.
Network Inbound Dropped Packets	Total dropped packet count of all the packets coming into the container.
Network Outbound Dropped Packets	Total dropped packet count of all the packets going out from the container.
Network Transfer Rate	Sum of network send bytes and receive bytes per seconds during a specific period.

Container metrics

Docker Swarm metrics

Table 7. Container metrics
Metric name	Description
CPU Utilization	CPU utilization.
CPU Time Used	Total CPU time that a container used.
CPU Throttled Time	Total time that a container’s CPU usage was throttled.
Memory Page Fault	Total page fault count of a container’s Memory.
Memory Consumed	Total memory consumed of a container in bytes.
Memory Utilization	Memory utilization.
Memory PageIn Rate	Total page in count of a container’s Memory.
Memory PageOut Rate	Total page out count of a container’s Memory.
Disk Read Bytes	Total disk read bytes.
Disk Write Bytes	Total disk write bytes.
Disk Transfer Rate	Sum of total disk read and write bytes.
Network Send Packets	Total network send packets count.
Network Receive Packets	Total network receive packets count.
Network Send Bytes	Total network send bytes.
Network Receive Bytes	Total network receive bytes.
Network Inbound Dropped Packets	Total dropped packet count of all the packets coming into the container.
Network Outbound Dropped Packets	Total dropped packet count of all the packets going out from the container.
Network Transfer Rate	Sum of network send bytes and receive bytes per seconds during a specific period.

Rules

Foglight for Container Management allows you to create flexible rules that can be applied to complex interrelated data from multiple sources within your clusters. You can associate several different actions with a rule, configure a rule so that it does not fire repeatedly, and associate a rule with schedules to define when it should be evaluated or not.

Different types of data can be used in rules, including registry variables, raw metrics, derived metrics, and topology object properties.

There are two types of rules: simple rules and multiple-severity rules. A simple rule has a single condition, and can be in one of three states: Fire, Undefined, or Normal. A multiple-severity rule can have up to five severity levels: Undefined, Fatal, Critical, Warning, and Normal.

Rule conditions are regularly evaluated against monitoring data (metrics and topology object properties collected from your monitored environment and transformed into a standard format). Therefore, the state of the rule can change if the data changes. For example, if a set of monitoring data matches a simple rule’s condition, the rule enters the Fire state. If the next set does not match the condition, the rule exits the Fire state and enters the Normal state.

Rules can be configured to send emails, pager messages, or perform other actions you define. Performance data can be viewed and analyzed using Foglight for Container Management.

Foglight for Container Management includes a number of predefined rules used to monitor the health of your container clusters. You are allowed to modify these rules to satisfy your different requirements. Many of these rules listed and described in this section have thresholds defined within them. Those thresholds include standard deviations, utilization percentages, and so on, are default values predefined in the registry.

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Foglight for Container Management 4.0 - User Guide

Node metrics

Docker Swarm metrics

Container metrics

Rules