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Foglight for Container Management 7.1.0 - User Guide

Understanding Foglight for Container Management Using Foglight for Container Management Reference

Node metrics

Table 6. Node metrics

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

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

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.

For information on customizing alarms templates and rule, refera to Modifying alarms and threshold values and Customization.

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