https://dev.mysql.com/myisamchk.html
The myisamchk utility gets information about your database tables or checks, repairs, or optimizes them. myisamchk works with MyISAM tables (tables that have .MYD and .MYI files for storing data and indexes). You can also use the CHECK TABLE and ...
https://dev.mysql.com/mysql-cluster-mgm-client-commands.html
mgm#1: PROMPT mymgm > mymgm > PROMPT 'mymgm:' 'mymgm:' PROMPT mymgm: mymgm: PROMPT ndb_mgm> EXIT jon@valhaj:~/bin> Note that leading spaces and spaces within the prompt string are not trimmed. In addition to the central configuration file, a ...
https://dev.mysql.com/mysql-cluster-options-variables.html
It is safe to use this variable with transactions that performs writes only, as having it enabled can lead to reads from the “before” image. This section provides information about MySQL server options, server and status variables that are ...
https://dev.mysql.com/mysql-cluster-overview-requirements.html
One of the strengths of NDB Cluster is that it can be run on commodity hardware and has no unusual requirements in this regard, other than for large amounts of RAM, due to the fact that all live data storage is done in memory. (It is possible to ...
https://dev.mysql.com/mysql-cluster-programs-ndb-restore.html
An insufficient amount of this bandwith can lead to redo buffer overload or log overload errors. The NDB Cluster restoration program is implemented as a separate command-line utility ndb_restore, which can normally be found in the MySQL bin ...
https://dev.mysql.com/mysql-cluster-replication-schema.html
This can lead to performance issues when trying to fail over, since the query must perform a table scan, especially when the master has been running with --ndb-log-empty-epochs=ON. Replication in NDB Cluster makes use of a number of dedicated ...
https://dev.mysql.com/mysql-cluster-sci-definition.html
Using a smaller value can lead to problems when performing many parallel inserts; if the shared buffer is too small, this can also result in a crash of the ndbd process. [sci] sections in the config.ini file explicitly define SCI (Scalable Coherent ...
https://dev.mysql.com/mysql-cluster-what-is-new.html
The following sections describe changes in the implementation of NDB Cluster in MySQL NDB Cluster 8.0 through 8.0.19, as compared to earlier release series. NDB Cluster 8.0 is currently available in a Developer Preview release. NDB Cluster 7.4 and ...
https://dev.mysql.com/mysql-innodb-cluster-limitations.html
This leads to one or both of the following scenarios: The Group Replication configuration is not persisted in the instance's configuration file and upon restart the instance does not rejoin the cluster. As InnoDB cluster uses Group Replication, you ...
https://dev.mysql.com/mysql-tips.html
This section provides information about techniques for more effective use of mysql and about mysql operational behavior. Input-Line Editing Disabling Interactive History Unicode Support on Windows Displaying Query Results Vertically Using ...