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https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-ndbinfo-disk-write-speed-aggregate.html
The disk_write_speed_aggregate table provides aggregated information about the speed of disk writes during LCP, backup, and restore operations.
https://dev.mysql.com/doc/refman/5.7/en/replication-features-differing-tables.html
A column's default value is determined by a number of factors, including its type, whether it is defined with a DEFAULT option, whether it is declared as NULL, and the server SQL mode in effect at the time of its creation; for more information, see ... Source and target tables for replication do not have to be ...
https://dev.mysql.com/doc/refman/5.7/en/backup-types.html
These provide logical copies of the file system at a given point in time, without requiring a physical copy of the entire file system. (For example, the implementation may use copy-on-write techniques so that only parts of the file system modified ... This section describes the characteristics of different types of ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-compression-tuning.html
Whether to adjust the size of the buffer pool based on run-time performance characteristics, such as the amount of time the system spends compressing and uncompressing data. If the system performs DML operations on compressed tables, and the way the ... Most often, the internal optimizations described in InnoDB Data Storage and Compression ensure that the system runs well with compressed ...
https://dev.mysql.com/doc/refman/5.7/en/replication-solutions-scaleout.html
Start by creating a wrapper library or module that implements the following functions: safe_writer_connect() safe_reader_connect() safe_reader_statement() safe_writer_statement() safe_ in each function name means that the function takes care of ...
https://dev.mysql.com/doc/refman/5.7/en/replication-features-temptables.html
Temporary tables are replicated except in the case where you stop the replica server (not just the replication threads) and you have replicated temporary tables that are open for use in updates that have not yet been executed on the replica. The ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-install-windows-service.html
Important When installing an NDB Cluster program as a Windows service, you should always specify the complete path; otherwise the service installation may fail with the error The system cannot find the file specified. Once you are satisfied that ...
https://dev.mysql.com/doc/refman/5.7/en/full-disk.html
This section describes how MySQL responds to disk-full errors (such as “no space left on device”), and to quota-exceeded errors (such as “write failed” or “user block limit reached”). The thread is aborted the next time it checks the ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-secure-socket-layer-support-ssl.html
Typically, this is set up at the time one is provisioning a server to join the group. Group communication connections as well as recovery connections, are secured using SSL. Configuring SSL for Group Replication Recovery Recovery is performed ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-compression-background.html
Because processors and cache memories have increased in speed more than disk storage devices, many workloads are disk-bound. Data compression enables smaller database size, reduced I/O, and improved throughput, at the small cost of increased CPU ...