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https://dev.mysql.com/doc/refman/8.4/en/estimating-performance.html
As long as everything is cached by the OS or the MySQL server, things become only marginally slower as the table gets bigger. In most cases, you can estimate query performance by counting disk seeks. In MySQL, an index block is usually 1,024 bytes ...For small tables, you can usually find a row in one disk seek (because the index is probably ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-connection-control-failed-login-attempts-table.html
CONNECTION_CONTROL_FAILED_LOGIN_ATTEMPTS has these columns: USERHOST The user/host combination indicating an account that has failed connection attempts, in 'user_name'@'host_name' format. The number of attempts for which the server added a delay to ... This table provides information about the current number of consecutive failed connection attempts per account (user/host ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-information-schema-buffer-pool-tables.html
mysql> SELECT COUNT(LRU_POSITION) FROM INFORMATION_SCHEMA.INNODB_BUFFER_PAGE_LRU WHERE TABLE_NAME='`employees`.`employees`' AND LRU_POSITION < 3072; +---------------------+ | COUNT(LRU_POSITION) | +---------------------+ | 548 | ...The InnoDB ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-blob-tool.html
--connect-retry-delay Command-Line Format --connect-retry-delay=# Type Integer Default Value 5 Minimum Value 0 Maximum Value 5 Number of seconds to wait between attempts to contact management server. --ndb-mgm-tls Command-Line Format ... This tool ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-delete-all.html
--connect-retry-delay Command-Line Format --connect-retry-delay=# Type Integer Default Value 5 Minimum Value 0 Maximum Value 5 Number of seconds to wait between attempts to contact management server. --ndb-mgm-tls Command-Line Format ...In some ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-desc.html
You can check that the ALTER TABLE statement has the desired effect using SHOW CREATE TABLE: mysql> SHOW CREATE TABLE fish\G *************************** 1. You can obtain such information, using the mysql client, from the table_distribution_status, ... ndb_desc provides a detailed description of one or more NDB ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-drop-table.html
--connect-retry-delay Command-Line Format --connect-retry-delay=# Type Integer Default Value 5 Minimum Value 0 Maximum Value 5 Number of seconds to wait between attempts to contact management server. --ndb-mgm-tls Command-Line Format ...Usage ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-move-data.html
--connect-retry-delay Command-Line Format --connect-retry-delay=# Type Integer Default Value 5 Minimum Value 0 Maximum Value 5 Number of seconds to wait between attempts to contact management server. --ndb-mgm-tls Command-Line Format ...Usage The ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-select-all.html
--connect-retry-delay Command-Line Format --connect-retry-delay=# Type Integer Default Value 5 Minimum Value 0 Maximum Value 5 Number of seconds to wait between attempts to contact management server. --ndb-mgm-tls Command-Line Format ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-select-count.html
With a single table, the result is equivalent to that obtained by using the MySQL statement SELECT COUNT(*) FROM tbl_name. --connect-retry-delay Command-Line Format --connect-retry-delay=# Type Integer Default Value 5 Minimum Value 0 Maximum Value 5 ... ndb_select_count prints the number of rows in one or more NDB ...