Options and Variables Introduced in MySQL 8.0 • innodb_tmpdir : Directory location for temporary table files created during online ALTER TABLE operations. Added in MySQL 8.0.0. • innodb_undo_log_encrypt : Controls encryption of undo log data for encrypted tablespaces. Added in MySQL 8.0.1. • innodb_use_fdatasync : Whether InnoDB uses fdatasync() instead of fsync() when flushing data to the operating system. Added in MySQL 8.0.26. • innodb_validate_tablespace_paths : Enables tablespace path validation at startup. Added in MySQL 8.0.21. • internal_tmp_mem_storage_engine : Storage engine to use for internal in-memory temporary tables. Added in MySQL 8.0.2. • keyring-migration-destination : Key migration destination keyring plugin. Added in MySQL 8.0.4. • keyring-migration-host : Host name for connecting to running server for key migration. Added in MySQL 8.0.4. • keyring-migration-password : Password for connecting to running server for key migration. Added in MySQL 8.0.4. • keyring-migration-port : TCP/IP port number for connecting to running server for key migration. Added in MySQL 8.0.4. • keyring-migration-socket : Unix socket file or Windows named pipe for connecting to running server for key migration. Added in MySQL 8.0.4. • keyring-migration-source : Key migration source keyring plugin. Added in MySQL 8.0.4. • keyring-migration-to-component : Keyring migration is from plugin to component. Added in MySQL 8.0.24. • keyring-migration-user : User name for connecting to running server for key migration. Added in MySQL 8.0.4. • keyring_aws_cmk_id : AWS keyring plugin customer master key ID value. Added in MySQL 8.0.11. • keyring_aws_conf_file : AWS keyring plugin configuration file location. Added in MySQL 8.0.11. • keyring_aws_data_file : AWS keyring plugin storage file location. Added in MySQL 8.0.11. • keyring_aws_region : AWS keyring plugin region. Added in MySQL 8.0.11. • keyring_encrypted_file_data : keyring_encrypted_file plugin data file. Added in MySQL 8.0.11. • keyring_encrypted_file_password : keyring_encrypted_file plugin password. Added in MySQL 8.0.11. • keyring_hashicorp_auth_path : HashiCorp Vault AppRole authentication path. Added in MySQL 8.0.18. • keyring_hashicorp_ca_path : Path to keyring_hashicorp CA file. Added in MySQL 8.0.18. • keyring_hashicorp_caching : Whether to enable keyring_hashicorp caching. Added in MySQL 8.0.18. 61