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What are the options and variables introduced in MySQL 8.0?
Some of the options and variables newly introduced in MySQL 8.0 have been listed below:
- Com_clone: It refers to the number of CLONE statements. It was added in MySQL 8.0.2.
- Com_create_role: It refers to the number of CREATE ROLE statements that are used. It was added in MySQL 8.0.0.
- Com_drop_role: It refers to the number of DROP ROLE statements that were used. It was added in MySQL 8.0.0.
- Com_restart: It refers to the number of RESTART statements that were used. It was added in MySQL 8.0.4.
- Firewall_access_denied: It refers to the number of statements that were rejected by MySQL Enterprise Firewall. It was added in MySQL 8.0.11.
- Innodb_redo_log_enabled: It refers to the InnoDB redo log status. It was added in MySQL 8.0.21.
- audit_log_current_session: It tells whether the current session needs to be audited or not. It was added in MySQL 8.0.11.
- audit_log_encryption: It refers to the audit log file encryption method. It was added in MySQL 8.0.11.
- clone_autotune_concurrency: It enables dynamic spawning of threads for remote cloning operations. It was added in MySQL 8.0.17.
- group_replication_flow_control_period: It defines the number of seconds to wait between flow control iterations. It was added in MySQL 8.0.2.
- innodb_checkpoint_disabled: It disables the checkpoints so that deliberate server exit always initiates the process of recovery. It was added in MySQL 8.0.2.
- innodb_deadlock_detect: It enables or disables the deadlock detection. It was added in MySQL 8.0.0.
- innodb_dedicated_server: It enables the automatic configuration of buffer pool size, log file size, and flush method. It was added in MySQL 8.0.3.
- innodb_directories: It defines the directories so as to scan at startup for tablespace data files. It was added in MySQL 8.0.4.
- thread_pool_size: It refers to the number of thread groups in the thread pool. It was added in MySQL 8.0.11.
Updated on: 24-Feb-2021
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