Server Option, System Variable, and Status Variable Reference Name Cmd-Line Option File System Var Status Var Var Scope Dynamic rpl_read_size Yes Yes Yes Global Yes Rpl_semi_sync_master_clients Yes Global No rpl_semi_sync_master_enabled Yes Yes Yes Global Yes Rpl_semi_sync_master_net_avg_wait_time Yes Global No Rpl_semi_sync_master_net_wait_time Yes Global No Rpl_semi_sync_master_net_waits Yes Global No Rpl_semi_sync_master_no_times Yes Global No Rpl_semi_sync_master_no_tx Yes Global No Rpl_semi_sync_master_status Yes Global No Rpl_semi_sync_master_timefunc_failures Yes Global No rpl_semi_sync_master_timeout Yes Yes Yes Global Yes rpl_semi_sync_master_trace_level Yes Yes Yes Global Yes Rpl_semi_sync_master_tx_avg_wait_time Yes Global No Rpl_semi_sync_master_tx_wait_time Yes Global No Rpl_semi_sync_master_tx_waits Yes Global No rpl_semi_sync_master_wait_for_slave_count Yes Yes Yes Global Yes rpl_semi_sync_master_wait_no_slave Yes Yes Yes Global Yes rpl_semi_sync_master_wait_point Yes Yes Yes Global Yes Rpl_semi_sync_master_wait_pos_backtraverse Yes Global No Rpl_semi_sync_master_wait_sessions Yes Global No Rpl_semi_sync_master_yes_tx Yes Global No rpl_semi_sync_slave_enabled Yes Yes Yes Global Yes Rpl_semi_sync_slave_status Yes Global No rpl_semi_sync_slave_trace_level Yes Yes Yes Global Yes rpl_stop_slave_timeout Yes Yes Yes Global Yes Rsa_public_key Yes Global No safe-user- create Yes Yes schema_definition_cache Yes Yes Yes Global Yes secondary_engine_cost_threshold Yes Session Yes Secondary_engine_execution_count Yes Both No secure_file_priv Yes Yes Yes Global No Select_full_join Yes Both No Select_full_range_join Yes Both No select_into_buffer_size Yes Yes Yes Both Yes select_into_disk_sync Yes Yes Yes Both Yes select_into_disk_sync_delay Yes Yes Yes Both Yes Select_range Yes Both No 683