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https://dev.mysql.com/doc/refman/8.0/en/myisampack.html
empty-fill The number of integer columns that do not occupy the full byte range of their type. When the table is used later, the server reads into memory the information needed to decompress columns. This results in much better performance when ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-backup-using-management-client.html
Before starting a backup, make sure that the cluster is properly configured for performing one. If an existing backup_id value is used, the backup fails with the error Backup failed: file already exists. If used, the backup_id must follow ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-counters.html
block_instance Block instance counter_id The counter's internal ID number; normally an integer between 1 and 10, inclusive. The counters table provides running totals of events such as reads and writes for specific kernel blocks and data nodes.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-hash-maps.html
id The hash map's unique ID version Hash map version (integer) state Hash map state; see Object::State for values and descriptions.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-memory-per-fragment.html
memory_per_fragment Table: Notes memory_per_fragment Table: Examples The memory_per_fragment table provides information about the usage of memory by individual fragments. See the Notes later in this section to see how you can use this to find out ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-option-tables.html
The following list includes command-line options, system variables, and status variables applicable within mysqld when it is running as an SQL node in an NDB Cluster. For a reference to all command-line options, system variables, and status ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-replication-conflict-resolution.html
However, the data type of this column is never TIMESTAMP; instead, its data type should be INT (INTEGER) or BIGINT. Requirements Source Column Control Conflict Resolution Control Conflict Resolution Functions Conflict Resolution Exceptions Table ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-replication-general.html
This can be done by starting each SQL node using the --server-id=id option, where id is a unique integer. A replication channel requires two MySQL servers acting as replication servers (one each for the source and replica). For example, this means ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-replication-schema.html
Even though ndb_binlog_index and ndb_apply_status are created and maintained automatically, it is advisable to check for the existence and integrity of these tables as an initial step in preparing an NDB Cluster for replication. The internal integer ... ndb_apply_status Table ndb_binlog_index Table ndb_replication Table Replication in NDB Cluster makes use of a number of dedicated tables in the mysql database on each MySQL Server instance acting as an SQL node in both the cluster being replicated and in the ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-what-is-new.html
The following list describes individual enhancements relating to this integration work: Schema distribution enhancements. Only offset is supported as the function name, with args as the integer offset to be applied to the value of the column when ...