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https://dev.mysql.com/doc/refman/9.7/en/innochecksum.html
This tool reads an InnoDB tablespace file, calculates the checksum for each page, compares the calculated checksum to the stored checksum, and reports mismatches, which indicate damaged pages. It was originally developed to speed up verifying the ...
https://dev.mysql.com/doc/refman/9.7/en/innodb-configuring-io-capacity.html
The InnoDB master thread and other threads perform various tasks in the background, most of which are I/O related, such as flushing dirty pages from the buffer pool and writing changes from the change buffer to the appropriate secondary indexes.
https://dev.mysql.com/doc/refman/9.7/en/innodb-enabling-monitors.html
When InnoDB monitors are enabled for periodic output, InnoDB writes the output to mysqld server standard error output (stderr) every 15 seconds, approximately. InnoDB sends the monitor output to stderr rather than to stdout or fixed-size memory ...
https://dev.mysql.com/doc/refman/9.7/en/innodb-information-schema-examples-compression-sect.html
Example 17.1 Using the Compression Information Schema Tables The following is sample output from a database that contains compressed tables (see Section 17.9, “InnoDB Table and Page Compression”, INNODB_CMP, INNODB_CMP_PER_INDEX, and ...
https://dev.mysql.com/doc/refman/9.7/en/innodb-persistent-stats.html
The persistent optimizer statistics feature improves plan stability by storing statistics to disk and making them persistent across server restarts so that the optimizer is more likely to make consistent choices each time for a given query.
https://dev.mysql.com/doc/refman/9.7/en/keyring-okv-plugin.html
Note The keyring_okv plugin is an extension included in MySQL Enterprise Edition, a commercial product. Important The keyring_okv keyring plugin is deprecated, and is being replaced by the Key Management Interoperability Protocol (KMIP) Keyring ...
https://dev.mysql.com/doc/refman/9.7/en/lateral-derived-tables.html
A derived table cannot normally refer to (depend on) columns of preceding tables in the same FROM clause. A derived table may be defined as a lateral derived table to specify that such references are permitted. Nonlateral derived tables are ...
https://dev.mysql.com/doc/refman/9.7/en/load-data.html
The file can be read from the server host or the client host, depending on whether the LOCAL modifier is given. INTO Statement”.) To write data from a table to a file, use SELECT ... To read the file back into a table, use LOAD DATA. The syntax of ...
https://dev.mysql.com/doc/refman/9.7/en/multiple-windows-command-line-servers.html
The procedure for starting a single MySQL server manually from the command line is described in Section 2.3.3.6, “Starting MySQL from the Windows Command Line”. To start multiple servers this way, you can specify the appropriate options on the ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-event-reports.html
In this section, we discuss the types of event logs provided by NDB Cluster, and the types of events that are logged. NDB Cluster provides two types of event log: The cluster log, which includes events generated by all cluster nodes. The cluster ...