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https://dev.mysql.com/doc/refman/8.0/en/innodb-memcached-multiple-get-range-query.html
The daemon_memcached plugin supports multiple get operations (fetching multiple key-value pairs in a single memcached query) and range queries. Multiple get Operations The ability to fetch multiple key-value pairs in a single memcached query ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-auto-increment.html
Statement-based replication of AUTO_INCREMENT, LAST_INSERT_ID(), and TIMESTAMP values is carried out subject to the following exceptions: A statement invoking a trigger or function that causes an update to an AUTO_INCREMENT column is not replicated ...Adding an AUTO_INCREMENT column to a table with ALTER TABLE might not produce the same ordering of the rows on the replica and the ...(Bug #45677) An INSERT into a table that has a composite primary key that ...
https://dev.mysql.com/doc/refman/8.0/en/create-spatial-reference-system.html
srs_attribute: { NAME 'srs_name' | DEFINITION 'definition' | ORGANIZATION 'org_name' IDENTIFIED BY org_id | DESCRIPTION 'description' } srid, org_id: 32-bit unsigned integer This statement creates a spatial reference system (SRS) definition and ...
https://dev.mysql.com/doc/refman/8.0/en/gis-wkb-functions.html
These functions take as arguments a BLOB containing a Well-Known Binary (WKB) representation and, optionally, a spatial reference system identifier (SRID). Functions in this section detect arguments in either Cartesian or geographic spatial ...For ...
https://dev.mysql.com/doc/refman/8.0/en/gtid-functions.html
If a timeout is specified, and timeout seconds elapse before all of the transactions in the GTID set have been applied, the function stops waiting. timeout is optional, and the default timeout is 0 seconds, in which case the function always waits ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-secretsfile-reader.html
Usage ndb_secretsfile_reader options file The options must include one of --filesystem-password or --filesystem-password-from-stdin, and the encryption password must be supplied, as shown here: > ndb_secretsfile_reader --filesystem-password=54kl14 ... ndb_secretsfile_reader gets the encryption key from an NDB encryption secrets file, given the ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-size-pl.html
Note ndb_size.pl is deprecated, and no longer supported, in NDB 8.0.40 and later. You should expect it to be removed from a future version of the NDB Cluster distribution, and modify any dependent applications accordingly. (Many Linux and other ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-setup-actors-table.html
The setup_actors table contains information that determines whether to enable monitoring and historical event logging for new foreground server threads (threads associated with client connections). For each new foreground thread, the Performance ...
https://dev.mysql.com/doc/refman/8.0/en/replication-gtids.html
Because GTID-based replication is completely transaction-based, it is simple to determine whether sources and replicas are consistent; as long as all transactions committed on a source are also committed on a replica, consistency between the two is ... This section explains transaction-based replication using global transaction identifiers ...
https://dev.mysql.com/doc/refman/8.0/en/replication-privilege-checks-account.html
The REPLICATION_APPLIER privilege explicitly or implicitly allows the PRIVILEGE_CHECKS_USER account to carry out the following operations that a replication thread needs to perform: Setting the value of the system variables gtid_next, ...Executing ... The user account that is specified using the CHANGE REPLICATION SOURCE TO | CHANGE MASTER TO statement as the PRIVILEGE_CHECKS_USER account for a replication channel must have the REPLICATION_APPLIER privilege, otherwise the replication applier thread does not ...