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8.5.7. Node Capacity
When a node host reaches capacity, extend the capabilities of a node by adding storage and RAM, or by moving gears to different nodes with available resources. On a node with 100 applications, 100 active gears out of 100 capacity indicates a full node. If an application on a full node is idle, and is restored, the node will exceed capacity (101/100). The node will continue to function normally, but you can move gears to another node to reduce the active applications.
To determine the active gear capacity of a node host, view the
active_capacity entry in /opt/rh/ruby193/root/etc/mcollective/facts.yaml.
To determine the maximum number of active applications on a node host, view the
max_active_gears entry in /etc/openshift/resource_limits.conf.
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