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CP Subsystem

5.10-SNAPSHOT 5.9 5.8 5.7 5.6 5.5 5.4 5.3 5.2 5.1 5.0

You can use the CP Subsystem tab of the Administration menu item to manage and monitor the CP subsystem in a cluster.

Status

Table 1. CP subsystem fields
Field Description

CP Members

The number of accessible CP members and the CP member count that’s configured on the cluster.

Promote Member to CP

Promote a member in the cluster to a CP member. See Promoting Members to CP Members.

Remove CP Member

Remove a member from the CP subsystem. See Removing CP Members.

Restart CP Subsystem

Restart the CP subsystem. See Restarting CP Subsystem.

Status Banner

A banner is always displayed at the top of the page with a message about the current CP subsystem status. This banner may display one of the following messages:

  • CP Subsystem is not enabled: The cluster is not configured with a CP member count of at least 3.

  • All CP members are accessible: Number of accessible CP members is at least the same as the configured CP member count.

  • One CP member is not accessible: One CP member is missing and the minority count in the CP subsystem is greater than 1. For example, this value is shown when there are 6 accessible CP members and the configured count is 7. In this example, the minority count is 3 members and the majority count is 4 members.

  • Multiple CP members are not accessible: Multiple CP members are missing, but their count is less than the minority.

  • Minority of the CP members are not accessible: The minority of CP members are missing.

  • Majority of the CP members are not accessible: The majority of CP members are missing.

See the Hazelcast Platform documentation to find out more about CP Subsystem.

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