Options and Variables Introduced in MySQL 8.0 59 • group_replication_member_weight : Chance of this member being elected as primary. Added in MySQL 8.0.2. • group_replication_message_cache_size : Maximum memory for group communication engine message cache (XCom). Added in MySQL 8.0.16. • group_replication_recovery_compression_algorithms : Permitted compression algorithms for outgoing recovery connections. Added in MySQL 8.0.18. • group_replication_recovery_get_public_key : Whether to accept preference about fetching public key from donor. Added in MySQL 8.0.4. • group_replication_recovery_public_key_path : To accept public key information. Added in MySQL 8.0.4. • group_replication_recovery_tls_ciphersuites : Permitted cipher suites when TLSv1.3 is used for connection encryption with this instance as client (joining member). Added in MySQL 8.0.19. • group_replication_recovery_tls_version : Permitted TLS protocols for connection encryption as client (joining member). Added in MySQL 8.0.19. • group_replication_recovery_zstd_compression_level : Compression level for recovery connections that use zstd compression. Added in MySQL 8.0.18. • group_replication_tls_source : Source of TLS material for Group Replication. Added in MySQL 8.0.21. • group_replication_unreachable_majority_timeout : How long to wait for network partitions that result in minority to leave group. Added in MySQL 8.0.2. • group_replication_view_change_uuid : UUID for view change event GTIDs. Added in MySQL 8.0.26. • histogram_generation_max_mem_size : Maximum memory for creating histogram statistics. Added in MySQL 8.0.2. • immediate_server_version : MySQL Server release number of server which is immediate replication source. Added in MySQL 8.0.14. • information_schema_stats_expiry : Expiration setting for cached table statistics. Added in MySQL 8.0.3. • innodb_buffer_pool_debug : Permits multiple buffer pool instances when buffer pool is less than 1GB in size. Added in MySQL 8.0.0. • innodb_buffer_pool_in_core_file : Controls writing of buffer pool pages to core files. Added in MySQL 8.0.14. • innodb_checkpoint_disabled : Disables checkpoints so that deliberate server exit always initiates recovery. Added in MySQL 8.0.2. • innodb_ddl_log_crash_reset_debug : Debug option that resets DDL log crash injection counters. Added in MySQL 8.0.3. • innodb_deadlock_detect : Enables or disables deadlock detection. Added in MySQL 8.0.0. • innodb_dedicated_server : Enables automatic configuration of buffer pool size, log file size, and flush method. Added in MySQL 8.0.3.