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https://dev.mysql.com/doc/refman/5.7/en/group-replication-user-credentials.html
Group Replication uses the asynchronous replication protocol to achieve Section 17.9.5, “Distributed Recovery”, synchronizing group members before joining them to the group. The distributed recovery process relies on a replication channel named ...Start the MySQL server instance and then connect a client to ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-view-changes.html
This section explains the process which controls how the view change identifier is incorporated into a binary log event and written to the log, The following steps are taken: Begin: Stable Group All servers are online and processing incoming ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-distributed-recovery-basics.html
Whenever a member joins a replication group, it connects to an existing member to carry out state transfer. The server joining the group transfers all the transactions that took place in the group before it joined, which are provided by the ...When ...
https://dev.mysql.com/doc/refman/5.7/en/bnl-bka-optimization.html
In MySQL, a Batched Key Access (BKA) Join algorithm is available that uses both index access to the joined table and a join buffer. The BKA algorithm supports inner join, outer join, and semijoin operations, including nested outer joins. Benefits ...
https://dev.mysql.com/doc/refman/5.7/en/load-xml.html
The tagname in the optional ROWS IDENTIFIED BY clause must also be given as a literal string, and must be surrounded by angle brackets (< and >). LOAD XML acts as the complement of running the mysql client in XML output mode (that is, starting the ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-failure-detection.html
Group Replication’s failure detection mechanism is a distributed service which is able to identify that a server in the group is not communicating with the others, and is therefore suspected of being out of service. If the group’s consensus is ...One channel is used to send messages to the member and the other channel is used to receive messages from the ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-tuning-recovery.html
Whenever a new member joins a replication group, it connects to a suitable donor and fetches the data that it has missed up until the point it is declared online. This critical component in Group Replication is fault tolerant and configurable. The ...If the connection to the selected donor fails, a new connection is automatically attempted to a new candidate ...
https://dev.mysql.com/doc/refman/5.7/en/audit-log-file-formats.html
The MySQL server calls the audit log plugin to write an audit record to its log file whenever an auditable event occurs. Typically the first audit record written after plugin startup contains the server description and startup options. Elements ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-subpartitions.html
Subpartitioning—also known as composite partitioning—is the further division of each partition in a partitioned table. Consider the following CREATE TABLE statement: CREATE TABLE ts (id INT, purchased DATE) PARTITION BY RANGE( YEAR(purchased) ) ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-tp-thread-group-stats-table.html
The TP_THREAD_GROUP_STATS table has these columns: TP_GROUP_ID The thread group ID. This does not count statements that the thread group was able to begin executing immediately without queuing, which can happen under the conditions described in ...