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https://dev.mysql.com/doc/refman/5.7/en/replication-mode-change-online-concepts.html
When using GTIDs you can take advantage of auto-positioning and automatic fail-over, as well as use WAIT_FOR_EXECUTED_GTID_SET(), session_track_gtids, and monitor replicated transactions using Performance Schema tables. The valid values for ... To ...
https://dev.mysql.com/doc/refman/5.7/en/pluggable-authentication.html
The server then authenticates the client, determining from the account row which authentication plugin applies to the client: If the server cannot find the plugin, an error occurs and the connection attempt is rejected. Use cases for this plugin ...
https://dev.mysql.com/doc/refman/5.7/en/comp-err.html
comp_err creates the errmsg.sys file that is used by mysqld to determine the error messages to display for different error codes. It compiles the errmsg.sys file from the text-format error information file located at sql/share/errmsg-utf8.txt in ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-drop-table.html
--connect-retries Command-Line Format --connect-retries=# Type Integer Default Value 12 Minimum Value 0 Maximum Value 12 Number of times to retry connection before giving up. --connect-retry-delay Command-Line Format --connect-retry-delay=# Type ...
https://dev.mysql.com/doc/refman/5.7/en/data-size.html
Smaller tables normally require less main memory while their contents are being actively processed during query execution. With ROW_FORMAT=REDUNDANT, CHAR(N) occupies N × the maximum byte length of the character set. With the compact family of rows ... Design your tables to minimize their space on the ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-standard-monitor.html
Status This section shows the timestamp, the monitor name, and the number of seconds that per-second averages are based on. The number of seconds is the elapsed time between the current time and the last time InnoDB Monitor output was printed. This ... The Lock Monitor is the same as the Standard Monitor except that it includes additional lock ...
https://dev.mysql.com/doc/refman/5.7/en/problems.html
This section lists some common problems and error messages that you may encounter. It describes how to determine the causes of the problems and what to do to solve them.
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-status-monitoring.html
If the value chosen for performance_schema_max_mutex_classes is too small, no error is reported in the error log and there is no failure at runtime. For example, if a mutex is instrumented in the server source but the server cannot allocate memory ...Names for these variables have several forms: Performance_schema_xxx_classes_lost indicates how many instruments of type xxx could not be ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-backup-using-management-client.html
If an existing backup_id value is used, the backup fails with the error Backup failed: file already exists. Execute this command: ndb_mgm> ABORT BACKUP backup_id The number backup_id is the identifier of the backup that was included in the response ... Before starting a backup, make sure that the cluster is properly configured for performing ...
https://dev.mysql.com/doc/refman/5.7/en/mysqlbinlog.html
For statement-based logging, event information includes the SQL statement, the ID of the server on which it was executed, the timestamp when the statement was executed, how much time it took, and so forth. For example: # at 141 #100309 9:28:36 ...