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https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html
Most system variables have a default value, but there are exceptions, including read-only variables. The host system must support network namespaces and each named namespace must previously have been set up. It applies to the authentication ... The ...
https://dev.mysql.com/doc/refman/8.0/en/glossary.html
InnoDB uses this type of I/O for certain operations that can run in parallel without affecting the reliability of the database, such as reading pages into the buffer pool that have not actually been requested, but might be needed soon. atomic In the ... These terms are commonly used in information about the MySQL database ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-nutshell.html
A companion section lists MySQL server options and variables that have been added, deprecated, or removed in MySQL 8.0; see Section 1.4, “Server and Status Variables and Options Added, Deprecated, or Removed in MySQL 8.0”. Features Added in ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-system-variables.html
These system variables must have the same value on all group members, and require a full reboot of the group (a bootstrap by a server with group_replication_bootstrap_group=ON) in order for the value change to take effect. Most system variables for ... This section lists the system variables that are specific to the Group Replication ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-options-variables.html
Suppose that you have 2 cluster host computers, each running an SQL node whose mysqld process was started with --ndb-cluster-connection-pool=4; this means that the cluster must have 8 API slots available for these connections (instead of 2). This ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbd-definition.html
Three additional data node configuration parameters—MaxNoOfExecutionThreads, ThreadConfig, and NoOfFragmentLogParts—apply to ndbmtd only; these have no effect when used with ndbd. By way of example, assume that we have 4 data nodes and that ...
https://dev.mysql.com/doc/refman/8.0/en/replication-options-replica.html
Now suppose that, instead of the USE db1 statement, a USE db4 statement had been used: USE db4; UPDATE db1.table1, db2.table2 SET db1.table1.col1 = 10, db2.table2.col2 = 20; In this case, the UPDATE statement would have no effect on the replica when ... This section explains the server options and system variables that apply to replica servers and contains the following: Startup Options for Replica Servers System Variables Used on Replica Servers Specify the options either on the command line or in an option ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-option-tables.html
Ndb_api_pruned_scan_count: Number of scans that have been pruned to one partition by this MySQL Server (SQL node). Ndb_api_pruned_scan_count_session: Number of scans that have been pruned to one partition in this client session. The following list ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-what-is-new.html
NDB Cluster 7.5, 7.4, and 7.3 were previous GA releases which have reached their end of life, and are no longer supported or maintained. The coordinator now checks ongoing schema operations for timeout at regular intervals, and marks participants ...
https://dev.mysql.com/doc/refman/8.0/en/replication-options-binary-log.html
When the server reads an entry from the binary log index file, which tracks the binary log files that have been used, it checks whether the entry contains a relative path. The session user must have privileges sufficient to set restricted session ...