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https://dev.mysql.com/doc/refman/8.0/en/crashing.html
(This is not true if you are running with the delay_key_write system variable enabled, in which case data files are written but not index files.) This means that data file contents are safe even if mysqld crashes, because the operating system ...If ...This does not mean that there are no bugs in MySQL, but if there are bugs, they should be very few and can be hard to ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-top.html
This user must be able to read tables in the ndbinfo database (ndb_top uses information from ndbinfo.cpustat and related tables). ndb_top displays running information in the terminal about CPU usage by NDB threads on an NDB Cluster data node. Each ...For more information about MySQL user accounts and passwords, see Section 8.2, “Access Control and Account ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-start-phases.html
The cluster starts with a clean file system on all data nodes. Initialization consists of the following steps: Obtain a node ID Fetch configuration data Allocate ports to be used for inter-node communications Allocate memory according to settings ...
https://dev.mysql.com/doc/refman/8.0/en/problems-connecting.html
For distributions that do not do this, you must initialize the data directory manually. (The data directory normally is named data or var and is located under your MySQL installation directory.) Make sure that you have a file named user.MYD in the ...To correct this when you invoke a client program, specify a --port option to indicate the proper port number, or a --socket option to indicate the proper named pipe or Unix socket ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-configuring-consistency-guarantees.html
Scenario 3: You want specific transactions to read only up-to-date data from the group, so that whenever sensitive data such as credentials for a file is updated, reads always use the most recent value. This guarantees consistency, but means that ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-replication-schema.html
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 ...This is true regardless of whether the replica is a single server or a ...ndb_replication is also used in NDB Replication conflict detection and ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-install-linux-binary.html
(For the most recent 64-bit NDB 8.0 release, this is mysql-cluster-gpl-8.0.43-linux-glibc2.12-x86_64.tar.gz.) We assume that you have placed this file in each machine's /var/tmp directory. Change location to the directory containing the downloaded ... This section covers the steps necessary to install the correct executables for each type of Cluster node from precompiled binaries supplied by ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-install-windows-initial-start.html
This means that, if the management node fails to start due to an error in this file, you must make the management node re-read config.ini after you have corrected any errors in it. Important An NDB Cluster management node caches the configuration ...
https://dev.mysql.com/doc/refman/8.0/en/replica-logs-status.html
The metadata in this repository includes the connection configuration, the replication user account details, the SSL settings for the connection, and the file name and position where the replication receiver thread is currently reading from the ...
https://dev.mysql.com/doc/refman/8.0/en/check-table.html
The latter should be used when you are in a hurry and can take the very small risk that QUICK does not find an error in the data file. (In most cases, under normal usage, MySQL should find any error in the data file. When an InnoDB table is stored ...CHECK TABLE Output Checking Version Compatibility Checking Data Consistency CHECK TABLE Usage Notes for InnoDB Tables CHECK TABLE Usage Notes for MyISAM Tables CHECK TABLE Output CHECK TABLE returns a result set with the columns shown in the following ...