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https://dev.mysql.com/doc/refman/5.7/en/group-replication-primary-secondary-replication.html
This means that the Primary waits, at commit time, for the secondary to acknowledge that it has received the transaction. Traditional MySQL Replication provides a simple Primary-Secondary approach to replication. There is a primary (source) and ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-replication-technologies.html
Before getting into the details of MySQL Group Replication, this section introduces some background concepts and an overview of how things work. This provides some context to help understand what is required for Group Replication and what the ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-virtual-private-networks-vpn.html
At its core, it just relies on an IPv4 socket to establish connections between servers for the purpose of propagating messages between them. There is nothing preventing Group Replication from operating over a virtual private network.
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-sys-foreign-cols-table.html
The INNODB_SYS_FOREIGN_COLS table provides status information about the columns of InnoDB foreign keys, equivalent to the information from the SYS_FOREIGN_COLS table in the InnoDB data dictionary. For related usage information and examples, see ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-thread-pool-table-reference.html
Table 24.7 INFORMATION_SCHEMA Thread Pool Tables Table Name Description TP_THREAD_GROUP_STATE Thread pool thread group states TP_THREAD_GROUP_STATS Thread pool thread group statistics TP_THREAD_STATE Thread pool thread information .
https://dev.mysql.com/doc/refman/5.7/en/innodb-architecture.html
For information about each structure, see Section 14.5, “InnoDB In-Memory Structures”, and Section 14.6, “InnoDB On-Disk Structures”. The following diagram shows in-memory and on-disk structures that comprise the InnoDB storage engine ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-data-dictionary.html
For historical reasons, data dictionary metadata overlaps to some degree with information stored in InnoDB table metadata files (.frm files). The InnoDB data dictionary is comprised of internal system tables that contain metadata used to keep track ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema-compression-tables.html
There are two pairs of InnoDB INFORMATION_SCHEMA tables about compression that can provide insight into how well compression is working overall: INNODB_CMP and INNODB_CMP_RESET provide information about the number of compression operations and the ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-monitor-types.html
There are two types of InnoDB monitor: The standard InnoDB Monitor displays the following types of information: Work done by the main background thread Semaphore waits Data about the most recent foreign key and deadlock errors Lock waits for ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-monitors.html
InnoDB monitors provide information about the InnoDB internal state. This information is useful for performance tuning. ...