Table 5.4 Dynamic System Variable Summary

Variable Name	Variable Type	Variable Scope
audit_log_connection_policy	Enumeration	Global
audit_log_exclude_accounts	String	Global
audit_log_flush	Boolean	Global
audit_log_include_accounts	String	Global
audit_log_read_buffer_size	Integer	Varies
audit_log_rotate_on_size	Integer	Global
audit_log_statement_policy	Enumeration	Global
authentication_ldap_sasl_auth_method_name	String	Global
authentication_ldap_sasl_bind_base_dn	String	Global
authentication_ldap_sasl_bind_root_dn	String	Global
authentication_ldap_sasl_bind_root_pwd	String	Global
authentication_ldap_sasl_ca_path	String	Global
authentication_ldap_sasl_group_search_attr	String	Global
authentication_ldap_sasl_group_search_filter	String	Global
authentication_ldap_sasl_init_pool_size	Integer	Global
authentication_ldap_sasl_log_status	Integer	Global
authentication_ldap_sasl_max_pool_size	Integer	Global
authentication_ldap_sasl_server_host	String	Global
authentication_ldap_sasl_server_port	Integer	Global
authentication_ldap_sasl_tls	Boolean	Global
authentication_ldap_sasl_user_search_attr	String	Global
authentication_ldap_simple_auth_method_name	String	Global
authentication_ldap_simple_bind_base_dn	String	Global
authentication_ldap_simple_bind_root_dn	String	Global
authentication_ldap_simple_bind_root_pwd	String	Global
authentication_ldap_simple_ca_path	String	Global
authentication_ldap_simple_group_search_attr	String	Global
authentication_ldap_simple_group_search_filter	String	Global
authentication_ldap_simple_init_pool_size	Integer	Global
authentication_ldap_simple_log_status	Integer	Global
authentication_ldap_simple_max_pool_size	Integer	Global
authentication_ldap_simple_server_host	String	Global
authentication_ldap_simple_server_port	Integer	Global
authentication_ldap_simple_tls	Boolean	Global
authentication_ldap_simple_user_search_attr	String	Global
auto_increment_increment	Integer	Both
auto_increment_offset	Integer	Both
autocommit	Boolean	Both
automatic_sp_privileges	Boolean	Global
avoid_temporal_upgrade	Boolean	Global
big_tables	Boolean	Both
binlog_cache_size	Integer	Global
binlog_checksum	String	Global
binlog_direct_non_transactional_updates	Boolean	Both
binlog_error_action	Enumeration	Global
binlog_format	Enumeration	Both
binlog_group_commit_sync_delay	Integer	Global
binlog_group_commit_sync_no_delay_count	Integer	Global
binlog_max_flush_queue_time	Integer	Global
binlog_order_commits	Boolean	Global
binlog_row_image	Enumeration	Both
binlog_rows_query_log_events	Boolean	Both
binlog_stmt_cache_size	Integer	Global
binlog_transaction_dependency_history_size	Integer	Global
binlog_transaction_dependency_tracking	Enumeration	Global
binlogging_impossible_mode	Enumeration	Both
block_encryption_mode	String	Both
bulk_insert_buffer_size	Integer	Both
character_set_client	String	Both
character_set_connection	String	Both
character_set_database	String	Both
character_set_filesystem	String	Both
character_set_results	String	Both
character_set_server	String	Both
check_proxy_users	Boolean	Global
collation_connection	String	Both
collation_database	String	Both
collation_server	String	Both
completion_type	Enumeration	Both
concurrent_insert	Enumeration	Global
connect_timeout	Integer	Global
connection_control_failed_connections_threshold	Integer	Global
connection_control_max_connection_delay	Integer	Global
connection_control_min_connection_delay	Integer	Global
debug	String	Both
debug_sync	String	Session
default_password_lifetime	Integer	Global
default_storage_engine	Enumeration	Both
default_tmp_storage_engine	Enumeration	Both
default_week_format	Integer	Both
delay_key_write	Enumeration	Global
delayed_insert_limit	Integer	Global
delayed_insert_timeout	Integer	Global
delayed_queue_size	Integer	Global
div_precision_increment	Integer	Both
end_markers_in_json	Boolean	Both
enforce_gtid_consistency	Enumeration	Global
enforce_gtid_consistency	Enumeration	Global
eq_range_index_dive_limit	Integer	Both
event_scheduler	Enumeration	Global
executed_gtids_compression_period	Integer	Global
expire_logs_days	Integer	Global
explicit_defaults_for_timestamp	Boolean	Both
flush	Boolean	Global
flush_time	Integer	Global
foreign_key_checks	Boolean	Both
ft_boolean_syntax	String	Global
general_log	Boolean	Global
general_log_file	File name	Global
group_concat_max_len	Integer	Both
group_replication_allow_local_disjoint_gtids_join	Boolean	Global
group_replication_allow_local_lower_version_join	Boolean	Global
group_replication_auto_increment_increment	Integer	Global
group_replication_bootstrap_group	Boolean	Global
group_replication_components_stop_timeout	Integer	Global
group_replication_compression_threshold	Integer	Global
group_replication_enforce_update_everywhere_checks	Boolean	Global
group_replication_exit_state_action	Enumeration	Global
group_replication_flow_control_applier_threshold	Integer	Global
group_replication_flow_control_certifier_threshold	Integer	Global
group_replication_flow_control_mode	Enumeration	Global
group_replication_force_members	String	Global
group_replication_group_name	String	Global
group_replication_group_seeds	String	Global
group_replication_gtid_assignment_block_size	Integer	Global
group_replication_ip_whitelist	String	Global
group_replication_local_address	String	Global
group_replication_member_weight	Integer	Global
group_replication_poll_spin_loops	Integer	Global
group_replication_recovery_complete_at	Enumeration	Global
group_replication_recovery_reconnect_interval	Integer	Global
group_replication_recovery_retry_count	Integer	Global
group_replication_recovery_ssl_ca	String	Global
group_replication_recovery_ssl_capath	String	Global
group_replication_recovery_ssl_cert	String	Global
group_replication_recovery_ssl_cipher	String	Global
group_replication_recovery_ssl_crl	File name	Global
group_replication_recovery_ssl_crlpath	Directory name	Global
group_replication_recovery_ssl_key	String	Global
group_replication_recovery_ssl_verify_server_cert	Boolean	Global
group_replication_recovery_use_ssl	Boolean	Global
group_replication_single_primary_mode	Boolean	Global
group_replication_ssl_mode	Enumeration	Global
group_replication_start_on_boot	Boolean	Global
group_replication_transaction_size_limit	Integer	Global
group_replication_unreachable_majority_timeout	Integer	Global
gtid_executed_compression_period	Integer	Global
gtid_mode	Enumeration	Global
gtid_mode	Enumeration	Global
gtid_next	Enumeration	Session
gtid_purged	String	Global
host_cache_size	Integer	Global
identity	Integer	Session
init_connect	String	Global
init_slave	String	Global
innodb_adaptive_flushing	Boolean	Global
innodb_adaptive_flushing_lwm	Integer	Global
innodb_adaptive_hash_index	Boolean	Global
innodb_adaptive_max_sleep_delay	Integer	Global
innodb_api_bk_commit_interval	Integer	Global
innodb_api_trx_level	Integer	Global
innodb_autoextend_increment	Integer	Global
innodb_background_drop_list_empty	Boolean	Global
innodb_buffer_pool_dump_at_shutdown	Boolean	Global
innodb_buffer_pool_dump_now	Boolean	Global
innodb_buffer_pool_dump_pct	Integer	Global
innodb_buffer_pool_filename	File name	Global
innodb_buffer_pool_load_abort	Boolean	Global
innodb_buffer_pool_load_now	Boolean	Global
innodb_buffer_pool_size	Integer	Global
innodb_change_buffer_max_size	Integer	Global
innodb_change_buffering	Enumeration	Global
innodb_change_buffering_debug	Integer	Global
innodb_checksum_algorithm	Enumeration	Global
innodb_cmp_per_index_enabled	Boolean	Global
innodb_commit_concurrency	Integer	Global
innodb_compress_debug	Enumeration	Global
innodb_compression_failure_threshold_pct	Integer	Global
innodb_compression_level	Integer	Global
innodb_compression_pad_pct_max	Integer	Global
innodb_concurrency_tickets	Integer	Global
innodb_deadlock_detect	Boolean	Global
innodb_default_row_format	Enumeration	Global
innodb_disable_resize_buffer_pool_debug	Boolean	Global
innodb_disable_sort_file_cache	Boolean	Global
innodb_fast_shutdown	Integer	Global
innodb_fil_make_page_dirty_debug	Integer	Global
innodb_file_format	String	Global
innodb_file_format_max	String	Global
innodb_file_per_table	Boolean	Global
innodb_fill_factor	Integer	Global
innodb_flush_log_at_timeout	Integer	Global
innodb_flush_log_at_trx_commit	Enumeration	Global
innodb_flush_neighbors	Enumeration	Global
innodb_flush_sync	Boolean	Global
innodb_flushing_avg_loops	Integer	Global
innodb_ft_aux_table	String	Global
innodb_ft_enable_diag_print	Boolean	Global
innodb_ft_enable_stopword	Boolean	Both
innodb_ft_num_word_optimize	Integer	Global
innodb_ft_result_cache_limit	Integer	Global
innodb_ft_server_stopword_table	String	Global
innodb_ft_user_stopword_table	String	Both
innodb_io_capacity	Integer	Global
innodb_io_capacity_max	Integer	Global
innodb_large_prefix	Boolean	Global
innodb_limit_optimistic_insert_debug	Integer	Global
innodb_lock_wait_timeout	Integer	Both
innodb_log_checkpoint_now	Boolean	Global
innodb_log_checksum_algorithm	Enumeration	Global
innodb_log_checksums	Boolean	Global
innodb_log_compressed_pages	Boolean	Global
innodb_log_write_ahead_size	Integer	Global
innodb_lru_scan_depth	Integer	Global
innodb_max_dirty_pages_pct	Numeric	Global
innodb_max_dirty_pages_pct_lwm	Numeric	Global
innodb_max_purge_lag	Integer	Global
innodb_max_purge_lag_delay	Integer	Global
innodb_max_undo_log_size	Integer	Global
innodb_merge_threshold_set_all_debug	Integer	Global
innodb_monitor_disable	String	Global
innodb_monitor_enable	String	Global
innodb_monitor_reset	Enumeration	Global
innodb_monitor_reset_all	Enumeration	Global
innodb_old_blocks_pct	Integer	Global
innodb_old_blocks_time	Integer	Global
innodb_online_alter_log_max_size	Integer	Global
innodb_optimize_fulltext_only	Boolean	Global
innodb_optimize_point_storage	Boolean	Session
innodb_print_all_deadlocks	Boolean	Global
innodb_purge_batch_size	Integer	Global
innodb_purge_rseg_truncate_frequency	Integer	Global
innodb_random_read_ahead	Boolean	Global
innodb_read_ahead_threshold	Integer	Global
innodb_replication_delay	Integer	Global
innodb_rollback_segments	Integer	Global
innodb_saved_page_number_debug	Integer	Global
innodb_spin_wait_delay	Integer	Global
innodb_stats_auto_recalc	Boolean	Global
innodb_stats_include_delete_marked	Boolean	Global
innodb_stats_method	Enumeration	Global
innodb_stats_on_metadata	Boolean	Global
innodb_stats_persistent	Boolean	Global
innodb_stats_persistent_sample_pages	Integer	Global
innodb_stats_sample_pages	Integer	Global
innodb_stats_transient_sample_pages	Integer	Global
innodb_status_output	Boolean	Global
innodb_status_output_locks	Boolean	Global
innodb_strict_mode	Boolean	Both
innodb_support_xa	Boolean	Both
innodb_sync_spin_loops	Integer	Global
innodb_table_locks	Boolean	Both
innodb_thread_concurrency	Integer	Global
innodb_thread_sleep_delay	Integer	Global
innodb_tmpdir	Directory name	Both
innodb_trx_purge_view_update_only_debug	Boolean	Global
innodb_trx_rseg_n_slots_debug	Integer	Global
innodb_undo_log_truncate	Boolean	Global
innodb_undo_logs	Integer	Global
insert_id	Integer	Session
interactive_timeout	Integer	Both
internal_tmp_disk_storage_engine	Enumeration	Global
join_buffer_size	Integer	Both
keep_files_on_create	Boolean	Both
key_buffer_size	Integer	Global
key_cache_age_threshold	Integer	Global
key_cache_block_size	Integer	Global
key_cache_division_limit	Integer	Global
keyring_aws_cmk_id	String	Global
keyring_aws_region	Enumeration	Global
keyring_encrypted_file_data	File name	Global
keyring_encrypted_file_password	String	Global
keyring_file_data	File name	Global
keyring_okv_conf_dir	Directory name	Global
keyring_operations	Boolean	Global
last_insert_id	Integer	Session
lc_messages	String	Both
lc_time_names	String	Both
local_infile	Boolean	Global
lock_wait_timeout	Integer	Both
log_backward_compatible_user_definitions	Boolean	Global
log_bin_trust_function_creators	Boolean	Global
log_builtin_as_identified_by_password	Boolean	Global
log_error_verbosity	Integer	Global
log_output	Set	Global
log_queries_not_using_indexes	Boolean	Global
log_slow_admin_statements	Boolean	Global
log_slow_slave_statements	Boolean	Global
log_statements_unsafe_for_binlog	Boolean	Global
log_syslog	Boolean	Global
log_syslog_facility	String	Global
log_syslog_include_pid	Boolean	Global
log_syslog_tag	String	Global
log_throttle_queries_not_using_indexes	Integer	Global
log_timestamps	Enumeration	Global
log_warnings	Integer	Global
long_query_time	Numeric	Both
low_priority_updates	Boolean	Both
master_info_repository	String	Global
master_verify_checksum	Boolean	Global
max_allowed_packet	Integer	Both
max_binlog_cache_size	Integer	Global
max_binlog_size	Integer	Global
max_binlog_stmt_cache_size	Integer	Global
max_connect_errors	Integer	Global
max_connections	Integer	Global
max_delayed_threads	Integer	Both
max_error_count	Integer	Both
max_execution_time	Integer	Both
max_heap_table_size	Integer	Both
max_insert_delayed_threads	Integer	Both
max_join_size	Integer	Both
max_length_for_sort_data	Integer	Both
max_points_in_geometry	Integer	Both
max_prepared_stmt_count	Integer	Global
max_relay_log_size	Integer	Global
max_seeks_for_key	Integer	Both
max_sort_length	Integer	Both
max_sp_recursion_depth	Integer	Both
max_statement_time	Integer	Both
max_tmp_tables	Integer	Both
max_user_connections	Integer	Both
max_write_lock_count	Integer	Global
min_examined_row_limit	Integer	Both
multi_range_count	Integer	Both
myisam_data_pointer_size	Integer	Global
myisam_max_sort_file_size	Integer	Global
myisam_repair_threads	Integer	Both
myisam_sort_buffer_size	Integer	Both
myisam_stats_method	Enumeration	Both
myisam_use_mmap	Boolean	Global
mysql_firewall_mode	Boolean	Global
mysql_firewall_trace	Boolean	Global
mysql_native_password_proxy_users	Boolean	Global
mysqlx_connect_timeout	Integer	Global
mysqlx_idle_worker_thread_timeout	Integer	Global
mysqlx_max_allowed_packet	Integer	Global
mysqlx_max_connections	Integer	Global
mysqlx_min_worker_threads	Integer	Global
ndb_allow_copying_alter_table	Boolean	Both
ndb_autoincrement_prefetch_sz	Integer	Both
ndb_blob_read_batch_bytes	Integer	Both
ndb_blob_write_batch_bytes	Integer	Both
ndb_cache_check_time	Integer	Global
ndb_clear_apply_status	Boolean	Global
ndb_data_node_neighbour	Integer	Global
ndb_default_column_format	Enumeration	Global
ndb_default_column_format	Enumeration	Global
ndb_deferred_constraints	Integer	Both
ndb_deferred_constraints	Integer	Both
ndb_distribution	Enumeration	Global
ndb_distribution	Enumeration	Global
ndb_eventbuffer_free_percent	Integer	Global
ndb_eventbuffer_max_alloc	Integer	Global
ndb_extra_logging	Integer	Global
ndb_force_send	Boolean	Both
ndb_fully_replicated	Boolean	Both
ndb_index_stat_enable	Boolean	Both
ndb_index_stat_option	String	Both
ndb_join_pushdown	Boolean	Both
ndb_log_bin	Boolean	Both
ndb_log_binlog_index	Boolean	Global
ndb_log_empty_epochs	Boolean	Global
ndb_log_empty_epochs	Boolean	Global
ndb_log_empty_update	Boolean	Global
ndb_log_empty_update	Boolean	Global
ndb_log_exclusive_reads	Boolean	Both
ndb_log_exclusive_reads	Boolean	Both
ndb_log_update_as_write	Boolean	Global
ndb_log_update_minimal	Boolean	Global
ndb_log_updated_only	Boolean	Global
ndb_optimization_delay	Integer	Global
ndb_read_backup	Boolean	Global
ndb_recv_thread_activation_threshold	Integer	Global
ndb_recv_thread_cpu_mask	Bitmap	Global
ndb_report_thresh_binlog_epoch_slip	Integer	Global
ndb_report_thresh_binlog_mem_usage	Integer	Global
ndb_row_checksum	Integer	Both
ndb_show_foreign_key_mock_tables	Boolean	Global
ndb_slave_conflict_role	Enumeration	Global
ndb_table_no_logging	Boolean	Session
ndb_table_temporary	Boolean	Session
ndb_use_exact_count	Boolean	Both
ndb_use_transactions	Boolean	Both
ndbinfo_max_bytes	Integer	Both
ndbinfo_max_rows	Integer	Both
ndbinfo_offline	Boolean	Global
ndbinfo_show_hidden	Boolean	Both
ndbinfo_table_prefix	String	Both
net_buffer_length	Integer	Both
net_read_timeout	Integer	Both
net_retry_count	Integer	Both
net_write_timeout	Integer	Both
new	Boolean	Both
offline_mode	Boolean	Global
old_alter_table	Boolean	Both
old_passwords	Enumeration	Both
optimizer_prune_level	Integer	Both
optimizer_search_depth	Integer	Both
optimizer_switch	Set	Both
optimizer_trace	String	Both
optimizer_trace_features	String	Both
optimizer_trace_limit	Integer	Both
optimizer_trace_max_mem_size	Integer	Both
optimizer_trace_offset	Integer	Both
parser_max_mem_size	Integer	Both
preload_buffer_size	Integer	Both
profiling	Boolean	Both
profiling_history_size	Integer	Both
pseudo_slave_mode	Integer	Session
pseudo_thread_id	Integer	Session
query_alloc_block_size	Integer	Both
query_cache_limit	Integer	Global
query_cache_min_res_unit	Integer	Global
query_cache_size	Integer	Global
query_cache_type	Enumeration	Both
query_cache_wlock_invalidate	Boolean	Both
query_prealloc_size	Integer	Both
rand_seed1	Integer	Session
rand_seed2	Integer	Session
range_alloc_block_size	Integer	Both
range_optimizer_max_mem_size	Integer	Both
rbr_exec_mode	Enumeration	Both
read_buffer_size	Integer	Both
read_only	Boolean	Global
read_rnd_buffer_size	Integer	Both
relay_log_info_repository	String	Global
relay_log_purge	Boolean	Global
require_secure_transport	Boolean	Global
rewriter_enabled	Boolean	Global
rewriter_verbose	Integer	Global
rpl_semi_sync_master_enabled	Boolean	Global
rpl_semi_sync_master_timeout	Integer	Global
rpl_semi_sync_master_trace_level	Integer	Global
rpl_semi_sync_master_wait_for_slave_count	Integer	Global
rpl_semi_sync_master_wait_no_slave	Boolean	Global
rpl_semi_sync_master_wait_point	Enumeration	Global
rpl_semi_sync_slave_enabled	Boolean	Global
rpl_semi_sync_slave_trace_level	Integer	Global
rpl_stop_slave_timeout	Integer	Global
secure_auth	Boolean	Global
server_id	Integer	Global
session_track_gtids	Enumeration	Both
session_track_schema	Boolean	Both
session_track_state_change	Boolean	Both
session_track_system_variables	String	Both
session_track_transaction_info	Enumeration	Both
sha256_password_proxy_users	Boolean	Global
show_compatibility_56	Boolean	Global
show_create_table_verbosity	Boolean	Both
show_old_temporals	Boolean	Both
slave_allow_batching	Boolean	Global
slave_checkpoint_group	Integer	Global
slave_checkpoint_period	Integer	Global
slave_compressed_protocol	Boolean	Global
slave_exec_mode	Enumeration	Global
slave_max_allowed_packet	Integer	Global
slave_net_timeout	Integer	Global
slave_parallel_type	Enumeration	Global
slave_parallel_workers	Integer	Global
slave_pending_jobs_size_max	Integer	Global
slave_preserve_commit_order	Boolean	Global
slave_rows_search_algorithms	Set	Global
slave_sql_verify_checksum	Boolean	Global
slave_transaction_retries	Integer	Global
slow_launch_time	Integer	Global
slow_query_log	Boolean	Global
slow_query_log_file	File name	Global
sort_buffer_size	Integer	Both
sql_auto_is_null	Boolean	Both
sql_big_selects	Boolean	Both
sql_buffer_result	Boolean	Both
sql_log_bin	Boolean	Session
sql_log_off	Boolean	Both
sql_mode	Set	Both
sql_notes	Boolean	Both
sql_quote_show_create	Boolean	Both
sql_safe_updates	Boolean	Both
sql_select_limit	Integer	Both
sql_slave_skip_counter	Integer	Global
sql_warnings	Boolean	Both
storage_engine	Enumeration	Both
stored_program_cache	Integer	Global
super_read_only	Boolean	Global
sync_binlog	Integer	Global
sync_frm	Boolean	Global
sync_master_info	Integer	Global
sync_relay_log	Integer	Global
sync_relay_log_info	Integer	Global
table_definition_cache	Integer	Global
table_open_cache	Integer	Global
thread_cache_size	Integer	Global
thread_pool_high_priority_connection	Integer	Both
thread_pool_max_unused_threads	Integer	Global
thread_pool_prio_kickup_timer	Integer	Both
thread_pool_stall_limit	Integer	Global
time_zone	String	Both
timed_mutexes	Boolean	Global
timestamp	Numeric	Session
tmp_table_size	Integer	Both
transaction_alloc_block_size	Integer	Both
transaction_allow_batching	Boolean	Session
transaction_isolation	Enumeration	Both
transaction_prealloc_size	Integer	Both
transaction_read_only	Boolean	Both
transaction_write_set_extraction	Enumeration	Both
tx_isolation	Enumeration	Both
tx_read_only	Boolean	Both
unique_checks	Boolean	Both
updatable_views_with_limit	Boolean	Both
validate_password_check_user_name	Boolean	Global
validate_password_dictionary_file	File name	Global
validate_password_length	Integer	Global
validate_password_mixed_case_count	Integer	Global
validate_password_number_count	Integer	Global
validate_password_policy	Enumeration	Global
validate_password_special_char_count	Integer	Global
version_tokens_session	String	Both
wait_timeout	Integer	Both

mysql 動態引數(Dynamic System Variable Summary)

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