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Search Results
https://dev.mysql.com/doc/refman/9.7/en/group-replication-responses-failure-exit.html
The group_replication_exit_state_action system variable specifies what Group Replication does when the member leaves the group unintentionally due to an error or problem, and either fails to auto-rejoin or does not try. Note that in the case of an ...
https://dev.mysql.com/doc/refman/9.7/en/group-replication-responses-failure.html
Group Replication's failure detection mechanism is designed to identify group members that are no longer communicating with the group, and expel them as and when it seems likely that they have failed. Having a failure detection mechanism increases ...
https://dev.mysql.com/doc/refman/9.7/en/group-replication-secure-socket-layer-support-ssl.html
Secure sockets can be used for group communication connections between members of a group. The Group Replication system variable group_replication_ssl_mode is used to activate the use of SSL for group communication connections and specify the ...
https://dev.mysql.com/doc/refman/9.7/en/group-replication-secure-user.html
State transfer from the binary log requires a replication user with the correct permissions so that Group Replication can establish direct member-to-member replication channels. The same replication user is used for distributed recovery on all the ...
https://dev.mysql.com/doc/refman/9.7/en/group-replication-single-consensus-leader.html
By default, the group communication engine for Group Replication (XCom, a Paxos variant) operates using every member of the replication group as a leader. The group communication engine can use a single leader to drive consensus when the group is ...
https://dev.mysql.com/doc/refman/9.7/en/group-replication-summary.html
Group Replication is a technique that can be used to implement fault-tolerant systems. A replication group is a set of servers, each of which has a complete copy of the data (a shared-nothing replication scheme), which interact with each other ...
https://dev.mysql.com/doc/refman/9.7/en/group-replication-understanding-consistency-guarantees.html
In terms of distributed consistency guarantees, either in normal or failure repair operations, Group Replication has always been an eventual consistency system. This means that as soon as the incoming traffic slows down or stops, all group members ...
https://dev.mysql.com/doc/refman/9.7/en/handler.html
HANDLER tbl_name OPEN [ [AS] alias] HANDLER tbl_name READ index_name { = | <= | >= | < | > } (value1,value2,...) [ WHERE where_condition ] [LIMIT ... ] HANDLER tbl_name READ index_name { FIRST | NEXT | PREV | LAST } [ WHERE where_condition ] [LIMIT ...
https://dev.mysql.com/doc/refman/9.7/en/hexadecimal-literals.html
Hexadecimal literal values are written using X'val' or 0xval notation, where val contains hexadecimal digits (0..9, A..F). Lettercase of the digits and of any leading X does not matter. A leading 0x is case-sensitive and cannot be written as 0X.
https://dev.mysql.com/doc/refman/9.7/en/identifier-mapping.html
There is a correspondence between database and table identifiers and names in the file system. For the basic structure, MySQL represents each database as a directory in the data directory, and depending upon the storage engine, each table may be ...