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https://dev.mysql.com/doc/refman/8.0/en/group-replication-ipv6.html
As of MySQL 8.0.14, Group Replication group members can use IPv6 addresses as an alternative to IPv4 addresses for communications within the group. IPv6 addresses, or host names that resolve to them, can be specified as the network address that the ...To use IPv6 addresses, the operating system on the server host and the MySQL Server instance must both be configured to support ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-adding-instances.html
At this point, the group has one member in it, server s1, which has some data in it. It is now time to expand the group by adding the other two servers configured previously. The statements are the same as used when setting up server s1 as the user ...20.2.1.6.1 Adding a Second Instance In order to add a second instance, server s2, first create the configuration file for ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-nodes-groups.html
An ndbd or ndbmtd process, which stores one or more fragment replicas—that is, copies of the partitions (discussed later in this section) assigned to the node group of which the node is a member. A node group consists of one or more nodes, and ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-ip-address-permissions.html
When and only when the XCom communication stack is used for establishing group communications (group_replication_communication_stack=XCOM), the Group Replication plugin lets you specify an allowlist of hosts from which an incoming Group ...If s2 is ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-gtids.html
Group Replication uses GTIDs (global transaction identifiers) to track exactly which transactions have been committed on every server instance. The settings gtid_mode=ON and enforce_gtid_consistency=ON are required on all group members. Incoming ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-upgrading-member.html
This section explains the steps required for upgrading a member of a group. This procedure is part of the methods described at Section 20.8.3.3, “Group Replication Online Upgrade Methods”. The process of upgrading a member of a group is common ...How you upgrade the server instance, using either the in-place or provision approach, does not impact on the methods described ...
https://dev.mysql.com/doc/refman/8.0/en/alter-resource-group.html
ALTER RESOURCE GROUP group_name [VCPU [=] vcpu_spec [, vcpu_spec] ...] [THREAD_PRIORITY [=] N] [ENABLE|DISABLE [FORCE]] vcpu_spec: {N | M - N} ALTER RESOURCE GROUP is used for resource group management (see Section 7.1.16, “Resource Groups”).
https://dev.mysql.com/doc/refman/8.0/en/create-resource-group.html
CREATE RESOURCE GROUP group_name TYPE = {SYSTEM|USER} [VCPU [=] vcpu_spec [, vcpu_spec] ...] [THREAD_PRIORITY [=] N] [ENABLE|DISABLE] vcpu_spec: {N | M - N} CREATE RESOURCE GROUP is used for resource group management (see Section 7.1.16, ...If VCPU ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-server-states.html
The state of a Group Replication group member shows its current role in the group. The Performance Schema table replication_group_members shows the state for each member in a group. If the group is fully functional and all members are communicating ...In this situation, the member does not attempt to guess the status of the other servers, and instead reports them as ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-functions-for-member-actions.html
The following functions can be used to enable and disable actions for members of a group to take in specified situations, and to reset the configuration to the default setting for all member actions. They can only be used by administrators with the ...In that case, the member actions configuration is not propagated to any other ...