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https://dev.mysql.com/doc/refman/5.7/en/innodb-memcached-benefits.html
The combination of InnoDB tables and memcached offers advantages over using either by themselves. Direct access to the InnoDB storage engine avoids the parsing and planning overhead of SQL. Running memcached in the same process space as the MySQL ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-memcached-txn.html
Unlike traditional memcached, the daemon_memcached plugin allows you to control durability of data values produced through calls to add, set, incr, and so on. By default, data written through the memcached interface is stored to disk, and calls to ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-online-ddl-performance.html
Online DDL improves several aspects of MySQL operation: Applications that access the table are more responsive because queries and DML operations on the table can proceed while the DDL operation is in progress. Reduced locking and waiting for MySQL ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-undo-logs.html
An undo log is a collection of undo log records associated with a single read-write transaction. An undo log record contains information about how to undo the latest change by a transaction to a clustered index record. If another transaction needs ...
https://dev.mysql.com/doc/refman/5.7/en/install-plugin.html
INSTALL PLUGIN plugin_name SONAME 'shared_library_name' This statement installs a server plugin. It requires the INSERT privilege for the mysql.plugin system table because it adds a row to that table to register the plugin. plugin_name is the name ...
https://dev.mysql.com/doc/refman/5.7/en/multiple-servers.html
In some cases, you might want to run multiple instances of MySQL on a single machine. You might want to test a new MySQL release while leaving an existing production setup undisturbed. Or you might want to give different users access to different ...
https://dev.mysql.com/doc/refman/5.7/en/mysqlbinlog-row-events.html
The following examples illustrate how mysqlbinlog displays row events that specify data modifications. These correspond to events with the WRITE_ROWS_EVENT, UPDATE_ROWS_EVENT, and DELETE_ROWS_EVENT type codes. The --base64-output=DECODE-ROWS and ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-connection-attribute-tables.html
Connection attributes are key-value pairs that application programs can pass to the server at connect time. For applications based on the C API implemented by the libmysqlclient client library, the mysql_options() and mysql_options4() functions ...
https://dev.mysql.com/doc/refman/5.7/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). This table has a maximum size of 100 rows by ...
https://dev.mysql.com/doc/refman/5.7/en/replication-formats.html
Replication works because events written to the binary log are read from the source and then processed on the replica. The events are recorded within the binary log in different formats according to the type of event. The different replication ...