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https://dev.mysql.com/doc/refman/8.0/en/performance-schema-connection-attribute-tables.html
For connections initiated using the C API, the libmysqlclient library imposes a limit of 64KB on the aggregate size of connection attribute data on the client side: Calls to mysql_options() that cause this limit to be exceeded produce a ...
https://dev.mysql.com/doc/refman/8.0/en/using-system-variables.html
For example, to prevent the value of sort_buffer_size from being increased to more than 32MB at runtime, use the option --maximum-sort-buffer-size=32M. | innodb_autoextend_increment | 8 | | innodb_buffer_pool_size | 8388608 | | ... The MySQL server ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-restore.html
Afterwards, you can restore indexes for all tables at once with multithreaded building of indexes using --rebuild-indexes, which should be faster than rebuilding indexes concurrently for very large tables. Because some applications may set values ...
https://dev.mysql.com/doc/refman/8.0/en/faqs-mysql-cluster.html
Priot to NDB 8.0, the maximum size for a table row is 14 kilobytes, not counting BLOB values. When calculating Cluster memory requirements, you may find useful the ndb_size.pl utility which is available in recent MySQL 8.0 releases. For more ... In ...
https://dev.mysql.com/doc/refman/8.0/en/internal-locking.html
Advantages of table-level locking: Relatively little memory required (row locking requires memory per row or group of rows locked) Fast when used on a large part of the table because only a single lock is involved. Row-Level Locking Table-Level ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-fulltext-index.html
Consider increasing the number of threads when creating full-text indexes on large tables. To avoid this problem, InnoDB uses a full-text index cache to temporarily cache index table insertions for recently inserted rows. You can query the ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo.html
row *************************** Engine: ndbcluster Support: YES Comment: Clustered, fault-tolerant tables Transactions: YES XA: NO Savepoints: NO *************************** 2. row *************************** Engine: CSV Support: YES Comment: CSV ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-upgrade.html
Check and repair operations can be time-consuming, particularly for large tables. mysql_upgrade checks mysql.user system table rows and, for any row with an empty plugin column, sets that column to 'mysql_native_password' if the credentials use a ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-table-import.html
For example, you might move busy tables to an SSD device, or move large tables to a high-capacity HDD device. The page size of the tablespace must match the page size of the destination MySQL server instance. InnoDB page size is defined by the ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-information-schema-buffer-pool-tables.html
The InnoDB INFORMATION_SCHEMA buffer pool tables provide buffer pool status information and metadata about the pages within the InnoDB buffer pool. The InnoDB INFORMATION_SCHEMA buffer pool tables include those listed below: mysql> SHOW TABLES FROM ...