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https://dev.mysql.com/doc/refman/5.7/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/5.7/en/group-replication-configuring-instances.html
This section explains the configuration settings required for MySQL Server instances that you want to use for Group Replication. Storage Engines Replication Framework Group Replication Settings Storage Engines For Group Replication, data must be ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-summary.html
Group Replication is a technique that can be used to implement fault-tolerant systems. The replication group is a set of servers that each have their own entire copy of the data (a shared-nothing replication scheme), and interact with each other ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-ip-address-permissions.html
The Group Replication plugin has a configuration option to determine from which hosts an incoming Group Communication System connection can be accepted. If you set this option on a server s1, then when server s2 is establishing a connection to s1 ...If s2 is in the allowlist, then s1 accepts the connection, otherwise s1 rejects the connection attempt by ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-background.html
Moreover, as servers are cooperating together to create the group several other classic distributed systems problems have to be dealt with, such as network partitioning or split brain scenarios. MySQL Group Replication provides distributed state ...
https://dev.mysql.com/doc/refman/5.7/en/example-maximum-column-group-row.html
Task: For each article, find the dealer or dealers with the most expensive price. Other possibilities for solving the problem are to use an uncorrelated subquery in the FROM clause or a LEFT JOIN.
https://dev.mysql.com/doc/refman/5.7/en/group-replication-secure-socket-layer-support-ssl.html
Group communication connections as well as recovery connections, are secured using SSL. Configuring SSL for Group Replication Recovery Recovery is performed through a regular asynchronous replication connection. Once the donor is selected, the ...
https://dev.mysql.com/doc/refman/5.7/en/group-by-handling.html
SQL-92 and earlier does not permit queries for which the select list, HAVING condition, or ORDER BY list refer to nonaggregated columns that are not named in the GROUP BY clause. SQL:1999 and later permits such nonaggregates per optional feature ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-use-cases.html
Group Replication enables you to create fault-tolerant systems with redundancy by replicating the system state to a set of servers. Depending on the number of servers which fail the group might have degraded performance or scalability, but it is ...
https://dev.mysql.com/doc/refman/5.7/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 commands are the same as used when setting up server s1 as the user ...17.2.1.6.1 Adding a Second Instance In order to add a second instance, server s2, first create the configuration file for ...