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https://dev.mysql.com/doc/refman/8.0/en/log-destinations.html
Possible destinations for log entries are log files or the general_log and slow_log tables in the mysql system database. For users who have access to the .CSV files that contain log table data, the files are easy to import into other programs such ...Setting this variable does not in itself enable the logs; they must be enabled ... MySQL Server provides flexible control over the destination of output ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-backup-concepts.html
During backup, each node saves these three parts into three files on disk: BACKUP-backup_id.node_id.ctl A control file containing control information and metadata. BACKUP-backup_id-0.node_id.data A data file containing the table records, which are ... A backup is a snapshot of the database at a given ...Following the list of records ...
https://dev.mysql.com/doc/refman/8.0/en/table-cache.html
With MyISAM tables, one extra file descriptor is required for the data file for each client that has the table open. The first open of any MyISAM table takes two file descriptors: one for the data file and one for the index file. Each additional use ...(By contrast, the index file descriptor is shared between all sessions.) The table_open_cache and max_connections system variables affect the maximum number of files the server keeps ... When you execute a mysqladmin status command, you ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-params-other.html
The following parameters apply to the config.ini file's [tcp] section: AllowUnresolvedHostNames: When false (default), failure by management node to resolve host name results in fatal error; when true, unresolved host names are reported as warnings ... The listings in this section provide information about parameters used in the [computer], [tcp], and [shm] sections of a config.ini file for configuring NDB ...For detailed descriptions and additional information about ...
https://dev.mysql.com/doc/refman/8.0/en/server-logs.html
By default, the server writes files for all enabled logs in the data directory. The relay log is used only on replicas, to hold data changes from the replication source server that must also be made on the replica. You can force the server to close ...(The DDL log is always created when required, and has no user-configurable options; see The DDL Log.) The following log-specific sections provide information about the server options that enable ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-installer-setup.html
MySQL Installer Configuration Files All MySQL Installer files are located within the C:\Program Files (x86) and C:\ProgramData folders. C:\ProgramData\MySQL\MySQL Installer for Windows\Manifest package-rules.xml This file contains the prerequisites ... Choosing a Setup Type Path Conflicts Check Requirements MySQL Installer Configuration Files When you download MySQL Installer for the first time, a setup wizard guides you through the initial installation of MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/csv-storage-engine.html
The CSV storage engine stores data in text files using comma-separated values format. When you create a CSV table, the server creates a plain text data file having a name that begins with the table name and has a .CSV extension. When you store data ...The name of this file is the same as the name of the table with the extension ...
https://dev.mysql.com/doc/refman/8.0/en/macos-installation-notes.html
Removing: After you have copied over the MySQL database files from the previous installation and have successfully started the new server, you should consider removing the old installation files to save disk space. Users: You may need (or want) to ... You should keep the following issues and notes in mind: Other MySQL installations: The installation procedure does not recognize MySQL installations by package managers such as ...
https://dev.mysql.com/doc/refman/8.0/en/lock-instance-for-backup.html
Operations that modify InnoDB files that are not recorded in the InnoDB redo log are also blocked. PURGE BINARY LOGS should not be issued while a LOCK INSTANCE FOR BACKUP statement is in effect for the instance, because it contravenes the rules of ...Executing the LOCK INSTANCE FOR BACKUP statement requires the BACKUP_ADMIN ... LOCK INSTANCE FOR BACKUP UNLOCK INSTANCE LOCK INSTANCE FOR BACKUP acquires an instance-level backup lock that permits DML during an online ...
https://dev.mysql.com/doc/refman/8.0/en/firewall-usage.html
This entails training each account profile individually because each one must be trained using the single account to which it applies. Group profile names are chosen by the firewall administrator with no constraints other than that their length must ...Enabling or Disabling the Firewall Assigning Firewall Privileges Firewall Concepts Registering Firewall Group Profiles Registering Firewall Account Profiles Monitoring the Firewall Migrating Account Profiles to Group Profiles Enabling or Disabling the Firewall To enable or disable the firewall, set the mysql_firewall_mode system ...