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https://dev.mysql.com/doc/refman/8.0/en/information-schema-optimization.html
Note Comparison behavior for database and table names in INFORMATION_SCHEMA queries might differ from what you expect. Note If the innodb_read_only system variable is enabled, ANALYZE TABLE may fail because it cannot update statistics tables in the ... Applications that monitor databases may make frequent use of INFORMATION_SCHEMA ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-statistics-table.html
Note If the innodb_read_only system variable is enabled, ANALYZE TABLE may fail because it cannot update statistics tables in the data dictionary, which use InnoDB. The information_schema_stats_expiry system variable defines the period of time ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-analyze-table-complexity.html
Note innodb_stats_persistent_sample_pages defines the number of pages sampled at a global level. Note All 4 MiB may not be read from disk, as some leaf pages may already be cached in the buffer pool. ANALYZE TABLE complexity for InnoDB tables is ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-auto-increment-handling.html
InnoDB AUTO_INCREMENT Lock Modes InnoDB AUTO_INCREMENT Lock Mode Usage Implications InnoDB AUTO_INCREMENT Counter Initialization Notes InnoDB AUTO_INCREMENT Lock Modes This section describes the AUTO_INCREMENT lock modes used to generate ... InnoDB ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-compression-syntax-warnings.html
ERROR 1031 (HY000): Table storage engine for 't1' doesn't have this option Note The table is not created if the current configuration does not permit using compressed tables. | ... This section describes syntax warnings and errors that you may ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-data-encryption.html
Note When undo log encryption is disabled, the server continues to require the keyring component or plugin that was used to encrypt undo log data until the undo tablespaces that contained the encrypted undo log data are truncated. For example: ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-dedicated-server.html
When the server is started with --innodb-dedicated-server, InnoDB automatically calculates values for and sets the following system variables: innodb_buffer_pool_size innodb_redo_log_capacity (MySQL 8.0.30 and later) innodb_log_file_size (prior to ...You should expect innodb_log_file_size and innodb_log_files_in_group to be removed in a future version of ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-information-schema-metrics-table.html
Note Because each counter adds a degree of runtime overhead, use counters conservatively on production servers to diagnose specific issues or monitor specific functionality. If you run programs that would be affected by the addition or removal of ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-locking-reads.html
Note Locking reads are only possible when autocommit is disabled (either by beginning transaction with START TRANSACTION or by setting autocommit to 0. Note Queries that skip locked rows return an inconsistent view of the data. If you query data ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-memcached-setup.html
Note Before setting up the daemon_memcached plugin, consult Section 17.20.5, “Security Considerations for the InnoDB memcached Plugin” to understand the security procedures required to prevent unauthorized access. Note There is no special ...