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https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-index-stat.html
--defaults-group-suffix Command-Line Format --defaults-group-suffix=string Type String Default Value [none] Also read groups with concat(group, suffix). ndb_index_stat provides per-fragment statistical information about indexes on NDB tables. This ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-mgmd.html
--defaults-group-suffix Command-Line Format --defaults-group-suffix=string Type String Default Value [none] Also read groups with concat(group, suffix). The management server is the process that reads the cluster configuration file and distributes ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-show-tables.html
--defaults-group-suffix Command-Line Format --defaults-group-suffix=string Type String Default Value [none] Also read groups with concat(group, suffix). ndb_show_tables displays a list of all NDB database objects in the cluster. By default, this ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-top.html
--defaults-group-suffix Command-Line Format --defaults-group-suffix=string Type String Default Value [none] Also read groups with concat(group, suffix). ndb_top displays running information in the terminal about CPU usage by NDB threads on an NDB ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-waiter.html
--defaults-group-suffix Command-Line Format --defaults-group-suffix=string Type String Default Value [none] Also read groups with concat(group, suffix). ndb_waiter repeatedly (each 100 milliseconds) prints out the status of all cluster data nodes ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndbinfo-select-all.html
--defaults-group-suffix Command-Line Format --defaults-group-suffix=string Type String Default Value [none] Also read groups with concat(group, suffix). ndbinfo_select_all is a client program that selects all rows and columns from one or more ...
https://dev.mysql.com/doc/refman/5.7/en/using-systemd.html
For a command such as this: systemctl start mysqld@replica01 systemd starts the server using a command such as this: mysqld --defaults-group-suffix=@%I ... The result is that the [server], [mysqld], and [mysqld@replica01] option groups are read and ...If you install MySQL from a source distribution on a platform that uses systemd, obtain systemd support for MySQL by configuring the distribution using the -DWITH_SYSTEMD=1 CMake ...
https://dev.mysql.com/doc/refman/5.7/en/create-table-ndb-comment-options.html
ALGORITHM=INPLACE, COMMENT="NDB_TABLE=READ_BACKUP=0"; Prior to MySQL NDB Cluster 7.5.4, setting READ_BACKUP to 1 also caused FRAGMENT_COUNT_TYPE to be set to ONE_PER_LDM_PER_NODE_GROUP. This is the same behavior as prior to MySQL NDB Cluster 7.5.2, ... NDB_COLUMN Options NDB_TABLE Options It is possible to set a number of options specific to NDB Cluster in the table comment or column comments of an NDB ...
https://dev.mysql.com/doc/refman/5.7/en/distinct-optimization.html
Because DISTINCT may use GROUP BY, learn how MySQL works with columns in ORDER BY or HAVING clauses that are not part of the selected columns. In most cases, a DISTINCT clause can be considered as a special case of GROUP BY. Thus, for more details ... DISTINCT combined with ORDER BY needs a temporary table in many ...
https://dev.mysql.com/doc/refman/5.7/en/general-thread-states.html
Copying to group table If a statement has different ORDER BY and GROUP BY criteria, the rows are sorted by group and copied to a temporary table. Sorting for group The thread is doing a sort to satisfy a GROUP BY. The following list describes ...