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https://dev.mysql.com/doc/refman/5.7/en/backup-methods.html
These binary logs are the incremental backup; at restore time, you apply them as explained in Section 7.5, “Point-in-Time (Incremental) Recovery”. The next time you do a full backup, you should also rotate the binary log using FLUSH LOGS or ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-basics.html
There are as many data nodes as there are fragment replicas, times the number of fragments (see Section 21.2.2, “NDB Cluster Nodes, Node Groups, Fragment Replicas, and Partitions”). NDB Cluster logs events by category (startup, shutdown, errors, ... NDBCLUSTER (also known as NDB) is an in-memory storage engine offering high-availability and data-persistence ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-ndbinfo-transporters.html
When a given transporter is in a state of overload, any new transaction that tries to use this transporter fails with Error 1218 (Send Buffers overloaded in NDB kernel). This information is shown in the table's status column, which can have any one ...
https://dev.mysql.com/doc/refman/5.7/en/socket-pluggable-authentication.html
With this plugin-loading method, the option must be given each time the server starts. Alternatively, to load the plugin at runtime, use this statement: INSTALL PLUGIN auth_socket SONAME 'auth_socket.so'; INSTALL PLUGIN loads the plugin immediately, ... The server-side auth_socket authentication plugin authenticates clients that connect from the local host through the Unix socket ...
https://dev.mysql.com/doc/refman/5.7/en/replication-administration-pausing.html
The replication I/O thread continues to read events from the source but they are not executed. Stopping only the replication I/O thread enables the events in the relay log to be executed by the replication SQL thread up to the point where the relay ... You can stop and start replication on the replica using the STOP SLAVE and START SLAVE ...
https://dev.mysql.com/doc/refman/5.7/en/selinux-file-context.html
For example: semanage fcontext -a -t mysqld_db_t "/path/to/my/custom/datadir(/.*)?" restorecon -Rv /path/to/my/custom/datadir semanage fcontext -a -t mysqld_db_t "/path/to/my/custom/logdir(/.*)?" restorecon -Rv /path/to/my/custom/logdir Setting the ... The MySQL Server reads from and writes to many ...
https://dev.mysql.com/doc/refman/5.7/en/commands-out-of-sync.html
This can happen, for example, if you are using mysql_use_result() and try to execute a new query before you have called mysql_free_result(). It can also happen if you try to execute two queries that return data without calling mysql_use_result() or ... If you get Commands out of sync; you can't run this command now in your client code, you are calling client functions in the wrong ...
https://dev.mysql.com/doc/refman/5.7/en/drop-table.html
If any tables named in the argument list do not exist, DROP TABLE behavior depends on whether the IF EXISTS clause is given: Without IF EXISTS, the statement drops all named tables that do exist, and returns an error indicating which nonexisting ...
https://dev.mysql.com/doc/refman/5.7/en/keyring-functions-plugin-specific.html
Return value: Returns 1 for success, or NULL and an error for failure. Return value: Returns 1 for success, or NULL and an error for failure. For each keyring plugin-specific function, this section describes its purpose, calling sequence, and ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-replication.html
This section explains how to set up and manage a configuration in which one group of computers operating as an NDB Cluster replicates to a second computer or group of computers. For information about performing point-in-time recovery with NDB ...