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https://dev.mysql.com/doc/refman/5.7/en/group-replication-flow-control.html
Group Replication ensures that a transaction only commits after a majority of the members in a group have received it and agreed on the relative order between all transactions that were sent concurrently. This approach works well if the total ...If ...
https://dev.mysql.com/doc/refman/5.7/en/replication-gtids-lifecycle.html
For example, you might need to do this after carrying out test queries to verify a replication setup on new GTID-enabled servers, or when you want to join a new server to a replication group but it contains some unwanted local transactions that are ... The life cycle of a GTID consists of the following steps: A transaction is executed and committed on the replication source ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-memory-summary-tables.html
row *************************** EVENT_NAME: memory/sql/TABLE COUNT_ALLOC: 1381 COUNT_FREE: 924 SUM_NUMBER_OF_BYTES_ALLOC: 2059873 SUM_NUMBER_OF_BYTES_FREE: 1407432 LOW_COUNT_USED: 0 CURRENT_COUNT_USED: 457 HIGH_COUNT_USED: 461 ...Operation counts ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-memcached-internals.html
InnoDB API for the InnoDB memcached Plugin The InnoDB memcached engine accesses InnoDB through InnoDB APIs, most of which are directly adopted from embedded InnoDB. InnoDB API functions are passed to the InnoDB memcached engine as callback ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-message-compression.html
For messages sent between online group members, Group Replication enables message compression by default. Whether a specific message is compressed depends on the threshold that you configure using the group_replication_compression_threshold system ...Messages that have a payload larger than the specified number of bytes are ...
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/partitioning-limitations-partitioning-keys-unique-keys.html
This section discusses the relationship of partitioning keys with primary keys and unique keys. The rule governing this relationship can be expressed as follows: All columns used in the partitioning expression for a partitioned table must be part ...
https://dev.mysql.com/doc/refman/5.7/en/password-hashing.html
Note The information in this section applies fully only before MySQL 5.7.5, and only for accounts that use the mysql_native_password or mysql_old_password authentication plugins. This includes removal of the mysql_old_password authentication plugin ...
https://dev.mysql.com/doc/refman/5.7/en/mysqldump-delimited-text.html
This section describes how to use mysqldump to create delimited-text dump files. For information about reloading such dump files, see Section 7.4.4, “Reloading Delimited-Text Format Backups”. If you invoke mysqldump with the --tab=dir_name ...
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 ...