MySQL 5.7服务器系统变量参考

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MySQL 5.7 参考手册  /  ...  /  服务器系统变量参考

5.1.4 服务器系统变量参考

下表列出了 中适用的所有系统变量 mysqld

该表在一个统一列表中列出了命令行选项 (Cmd-line)、配置文件中有效的选项 (Option file)、服务器系统变量 (System Var) 和状态变量 (Status var),并指示每个选项的位置或变量有效。如果在命令行或选项文件中设置的服务器选项与相应系统变量的名称不同,则变量名称会紧邻相应选项下方注明。变量的范围(Var Scope)是全局、会话或两者。有关变量的设置和使用的详细信息,请参见相应项目的说明。在适当的情况下,提供有关该项目的更多信息的直接链接。

表 5.2 系统变量汇总

Name Cmd-Line Option File System Var Var Scope Dynamic
audit_log_buffer_size Yes Yes Yes Global No
audit_log_compression Yes Yes Yes Global No
audit_log_connection_policy Yes Yes Yes Global Yes
audit_log_current_session Yes Both No
audit_log_disable Yes Yes Yes Global Yes
audit_log_encryption Yes Yes Yes Global No
audit_log_exclude_accounts Yes Yes Yes Global Yes
audit_log_file Yes Yes Yes Global No
audit_log_filter_id Yes Both No
audit_log_flush Yes Global Yes
audit_log_format Yes Yes Yes Global No
audit_log_format_unix_timestamp Yes Yes Yes Global Yes
audit_log_include_accounts Yes Yes Yes Global Yes
audit_log_policy Yes Yes Yes Global No
audit_log_read_buffer_size Yes Yes Yes Varies Varies
audit_log_rotate_on_size Yes Yes Yes Global Yes
audit_log_statement_policy Yes Yes Yes Global Yes
audit_log_strategy Yes Yes Yes Global No
authentication_ldap_sasl_auth_method_name Yes Yes Yes Global Yes
authentication_ldap_sasl_bind_base_dn Yes Yes Yes Global Yes
authentication_ldap_sasl_bind_root_dn Yes Yes Yes Global Yes
authentication_ldap_sasl_bind_root_pwd Yes Yes Yes Global Yes
authentication_ldap_sasl_ca_path Yes Yes Yes Global Yes
authentication_ldap_sasl_group_search_attr Yes Yes Yes Global Yes
authentication_ldap_sasl_group_search_filter Yes Yes Yes Global Yes
authentication_ldap_sasl_init_pool_size Yes Yes Yes Global Yes
authentication_ldap_sasl_log_status Yes Yes Yes Global Yes
authentication_ldap_sasl_max_pool_size Yes Yes Yes Global Yes
authentication_ldap_sasl_server_host Yes Yes Yes Global Yes
authentication_ldap_sasl_server_port Yes Yes Yes Global Yes
authentication_ldap_sasl_tls Yes Yes Yes Global Yes
authentication_ldap_sasl_user_search_attr Yes Yes Yes Global Yes
authentication_ldap_simple_auth_method_name Yes Yes Yes Global Yes
authentication_ldap_simple_bind_base_dn Yes Yes Yes Global Yes
authentication_ldap_simple_bind_root_dn Yes Yes Yes Global Yes
authentication_ldap_simple_bind_root_pwd Yes Yes Yes Global Yes
authentication_ldap_simple_ca_path Yes Yes Yes Global Yes
authentication_ldap_simple_group_search_attr Yes Yes Yes Global Yes
authentication_ldap_simple_group_search_filter Yes Yes Yes Global Yes
authentication_ldap_simple_init_pool_size Yes Yes Yes Global Yes
authentication_ldap_simple_log_status Yes Yes Yes Global Yes
authentication_ldap_simple_max_pool_size Yes Yes Yes Global Yes
authentication_ldap_simple_server_host Yes Yes Yes Global Yes
authentication_ldap_simple_server_port Yes Yes Yes Global Yes
authentication_ldap_simple_tls Yes Yes Yes Global Yes
authentication_ldap_simple_user_search_attr Yes Yes Yes Global Yes
authentication_windows_log_level Yes Yes Yes Global No
authentication_windows_use_principal_name Yes Yes Yes Global No
auto_generate_certs Yes Yes Yes Global No
auto_increment_increment Yes Yes Yes Both Yes
auto_increment_offset Yes Yes Yes Both Yes
autocommit Yes Yes Yes Both Yes
automatic_sp_privileges Yes Yes Yes Global Yes
avoid_temporal_upgrade Yes Yes Yes Global Yes
back_log Yes Yes Yes Global No
basedir Yes Yes Yes Global No
big_tables Yes Yes Yes Both Yes
bind_address Yes Yes Yes Global No
binlog_cache_size Yes Yes Yes Global Yes
binlog_checksum Yes Yes Yes Global Yes
binlog_direct_non_transactional_updates Yes Yes Yes Both Yes
binlog_error_action Yes Yes Yes Global Yes
binlog_format Yes Yes Yes Both Yes
binlog_group_commit_sync_delay Yes Yes Yes Global Yes
binlog_group_commit_sync_no_delay_count Yes Yes Yes Global Yes
binlog_gtid_simple_recovery Yes Yes Yes Global No
binlog_max_flush_queue_time Yes Yes Yes Global Yes
binlog_order_commits Yes Yes Yes Global Yes
binlog_row_image Yes Yes Yes Both Yes
binlog_rows_query_log_events Yes Yes Yes Both Yes
binlog_stmt_cache_size Yes Yes Yes Global Yes
binlog_transaction_dependency_history_size Yes Yes Yes Global Yes
binlog_transaction_dependency_tracking Yes Yes Yes Global Yes
block_encryption_mode Yes Yes Yes Both Yes
bulk_insert_buffer_size Yes Yes Yes Both Yes
character_set_client Yes Both Yes
character_set_connection Yes Both Yes
character_set_database (note 1) Yes Both Yes
character_set_filesystem Yes Yes Yes Both Yes
character_set_results Yes Both Yes
character_set_server Yes Yes Yes Both Yes
character_set_system Yes Global No
character_sets_dir Yes Yes Yes Global No
check_proxy_users Yes Yes Yes Global Yes
collation_connection Yes Both Yes
collation_database (note 1) Yes Both Yes
collation_server Yes Yes Yes Both Yes
completion_type Yes Yes Yes Both Yes
concurrent_insert Yes Yes Yes Global Yes
connect_timeout Yes Yes Yes Global Yes
connection_control_failed_connections_threshold Yes Yes Yes Global Yes
connection_control_max_connection_delay Yes Yes Yes Global Yes
connection_control_min_connection_delay Yes Yes Yes Global Yes
core_file Yes Global No
daemon_memcached_enable_binlog Yes Yes Yes Global No
daemon_memcached_engine_lib_name Yes Yes Yes Global No
daemon_memcached_engine_lib_path Yes Yes Yes Global No
daemon_memcached_option Yes Yes Yes Global No
daemon_memcached_r_batch_size Yes Yes Yes Global No
daemon_memcached_w_batch_size Yes Yes Yes Global No
datadir Yes Yes Yes Global No
date_format Yes Global No
datetime_format Yes Global No
debug Yes Yes Yes Both Yes
debug_sync Yes Session Yes
default_authentication_plugin Yes Yes Yes Global No
default_password_lifetime Yes Yes Yes Global Yes
default_storage_engine Yes Yes Yes Both Yes
default_tmp_storage_engine Yes Yes Yes Both Yes
default_week_format Yes Yes Yes Both Yes
delay_key_write Yes Yes Yes Global Yes
delayed_insert_limit Yes Yes Yes Global Yes
delayed_insert_timeout Yes Yes Yes Global Yes
delayed_queue_size Yes Yes Yes Global Yes
disabled_storage_engines Yes Yes Yes Global No
disconnect_on_expired_password Yes Yes Yes Global No
div_precision_increment Yes Yes Yes Both Yes
end_markers_in_json Yes Yes Yes Both Yes
enforce_gtid_consistency Yes Yes Yes Global Varies
eq_range_index_dive_limit Yes Yes Yes Both Yes
error_count Yes Session No
event_scheduler Yes Yes Yes Global Yes
expire_logs_days Yes Yes Yes Global Yes
explicit_defaults_for_timestamp Yes Yes Yes Both Yes
external_user Yes Session No
flush Yes Yes Yes Global Yes
flush_time Yes Yes Yes Global Yes
foreign_key_checks Yes Both Yes
ft_boolean_syntax Yes Yes Yes Global Yes
ft_max_word_len Yes Yes Yes Global No
ft_min_word_len Yes Yes Yes Global No
ft_query_expansion_limit Yes Yes Yes Global No
ft_stopword_file Yes Yes Yes Global No
general_log Yes Yes Yes Global Yes
general_log_file Yes Yes Yes Global Yes
group_concat_max_len Yes Yes Yes Both Yes
group_replication_allow_local_disjoint_gtids_join Yes Yes Yes Global Yes
group_replication_allow_local_lower_version_join Yes Yes Yes Global Yes
group_replication_auto_increment_increment Yes Yes Yes Global Yes
group_replication_bootstrap_group Yes Yes Yes Global Yes
group_replication_components_stop_timeout Yes Yes Yes Global Yes
group_replication_compression_threshold Yes Yes Yes Global Yes
group_replication_enforce_update_everywhere_checks Yes Yes Yes Global Yes
group_replication_exit_state_action Yes Yes Yes Global Yes
group_replication_flow_control_applier_threshold Yes Yes Yes Global Yes
group_replication_flow_control_certifier_threshold Yes Yes Yes Global Yes
group_replication_flow_control_mode Yes Yes Yes Global Yes
group_replication_force_members Yes Yes Yes Global Yes
group_replication_group_name Yes Yes Yes Global Yes
group_replication_group_seeds Yes Yes Yes Global Yes
group_replication_gtid_assignment_block_size Yes Yes Yes Global Yes
group_replication_ip_whitelist Yes Yes Yes Global Yes
group_replication_local_address Yes Yes Yes Global Yes
group_replication_member_weight Yes Yes Yes Global Yes
group_replication_poll_spin_loops Yes Yes Yes Global Yes
group_replication_recovery_complete_at Yes Yes Yes Global Yes
group_replication_recovery_reconnect_interval Yes Yes Yes Global Yes
group_replication_recovery_retry_count Yes Yes Yes Global Yes
group_replication_recovery_ssl_ca Yes Yes Yes Global Yes
group_replication_recovery_ssl_capath Yes Yes Yes Global Yes
group_replication_recovery_ssl_cert Yes Yes Yes Global Yes
group_replication_recovery_ssl_cipher Yes Yes Yes Global Yes
group_replication_recovery_ssl_crl Yes Yes Yes Global Yes
group_replication_recovery_ssl_crlpath Yes Yes Yes Global Yes
group_replication_recovery_ssl_key Yes Yes Yes Global Yes
group_replication_recovery_ssl_verify_server_cert Yes Yes Yes Global Yes
group_replication_recovery_use_ssl Yes Yes Yes Global Yes
group_replication_single_primary_mode Yes Yes Yes Global Yes
group_replication_ssl_mode Yes Yes Yes Global Yes
group_replication_start_on_boot Yes Yes Yes Global Yes
group_replication_transaction_size_limit Yes Yes Yes Global Yes
group_replication_unreachable_majority_timeout Yes Yes Yes Global Yes
gtid_executed Yes Varies No
gtid_executed_compression_period Yes Yes Yes Global Yes
gtid_mode Yes Yes Yes Global Varies
gtid_next Yes Session Yes
gtid_owned Yes Both No
gtid_purged Yes Global Yes
have_compress Yes Global No
have_crypt Yes Global No
have_dynamic_loading Yes Global No
have_geometry Yes Global No
have_openssl Yes Global No
have_profiling Yes Global No
have_query_cache Yes Global No
have_rtree_keys Yes Global No
have_ssl Yes Global No
have_statement_timeout Yes Global No
have_symlink Yes Global No
host_cache_size Yes Yes Yes Global Yes
hostname Yes Global No
identity Yes Session Yes
ignore_builtin_innodb Yes Yes Yes Global No
ignore_db_dirs Yes Global No
init_connect Yes Yes Yes Global Yes
init_file Yes Yes Yes Global No
init_slave Yes Yes Yes Global Yes
innodb_adaptive_flushing Yes Yes Yes Global Yes
innodb_adaptive_flushing_lwm Yes Yes Yes Global Yes
innodb_adaptive_hash_index Yes Yes Yes Global Yes
innodb_adaptive_hash_index_parts Yes Yes Yes Global No
innodb_adaptive_max_sleep_delay Yes Yes Yes Global Yes
innodb_api_bk_commit_interval Yes Yes Yes Global Yes
innodb_api_disable_rowlock Yes Yes Yes Global No
innodb_api_enable_binlog Yes Yes Yes Global No
innodb_api_enable_mdl Yes Yes Yes Global No
innodb_api_trx_level Yes Yes Yes Global Yes
innodb_autoextend_increment Yes Yes Yes Global Yes
innodb_autoinc_lock_mode Yes Yes Yes Global No
innodb_background_drop_list_empty Yes Yes Yes Global Yes
innodb_buffer_pool_chunk_size Yes Yes Yes Global No
innodb_buffer_pool_dump_at_shutdown Yes Yes Yes Global Yes
innodb_buffer_pool_dump_now Yes Yes Yes Global Yes
innodb_buffer_pool_dump_pct Yes Yes Yes Global Yes
innodb_buffer_pool_filename Yes Yes Yes Global Yes
innodb_buffer_pool_instances Yes Yes Yes Global No
innodb_buffer_pool_load_abort Yes Yes Yes Global Yes
innodb_buffer_pool_load_at_startup Yes Yes Yes Global No
innodb_buffer_pool_load_now Yes Yes Yes Global Yes
innodb_buffer_pool_size Yes Yes Yes Global Varies
innodb_change_buffer_max_size Yes Yes Yes Global Yes
innodb_change_buffering Yes Yes Yes Global Yes
innodb_change_buffering_debug Yes Yes Yes Global Yes
innodb_checksum_algorithm Yes Yes Yes Global Yes
innodb_checksums Yes Yes Yes Global No
innodb_cmp_per_index_enabled Yes Yes Yes Global Yes
innodb_commit_concurrency Yes Yes Yes Global Yes
innodb_compress_debug Yes Yes Yes Global Yes
innodb_compression_failure_threshold_pct Yes Yes Yes Global Yes
innodb_compression_level Yes Yes Yes Global Yes
innodb_compression_pad_pct_max Yes Yes Yes Global Yes
innodb_concurrency_tickets Yes Yes Yes Global Yes
innodb_data_file_path Yes Yes Yes Global No
innodb_data_home_dir Yes Yes Yes Global No
innodb_deadlock_detect Yes Yes Yes Global Yes
innodb_default_row_format Yes Yes Yes Global Yes
innodb_disable_resize_buffer_pool_debug Yes Yes Yes Global Yes
innodb_disable_sort_file_cache Yes Yes Yes Global Yes
innodb_doublewrite Yes Yes Yes Global No
innodb_fast_shutdown Yes Yes Yes Global Yes
innodb_fil_make_page_dirty_debug Yes Yes Yes Global Yes
innodb_file_format Yes Yes Yes Global Yes
innodb_file_format_check Yes Yes Yes Global No
innodb_file_format_max Yes Yes Yes Global Yes
innodb_file_per_table Yes Yes Yes Global Yes
innodb_fill_factor Yes Yes Yes Global Yes
innodb_flush_log_at_timeout Yes Yes Yes Global Yes
innodb_flush_log_at_trx_commit Yes Yes Yes Global Yes
innodb_flush_method Yes Yes Yes Global No
innodb_flush_neighbors Yes Yes Yes Global Yes
innodb_flush_sync Yes Yes Yes Global Yes
innodb_flushing_avg_loops Yes Yes Yes Global Yes
innodb_force_load_corrupted Yes Yes Yes Global No
innodb_force_recovery Yes Yes Yes Global No
innodb_ft_aux_table Yes Global Yes
innodb_ft_cache_size Yes Yes Yes Global No
innodb_ft_enable_diag_print Yes Yes Yes Global Yes
innodb_ft_enable_stopword Yes Yes Yes Both Yes
innodb_ft_max_token_size Yes Yes Yes Global No
innodb_ft_min_token_size Yes Yes Yes Global No
innodb_ft_num_word_optimize Yes Yes Yes Global Yes
innodb_ft_result_cache_limit Yes Yes Yes Global Yes
innodb_ft_server_stopword_table Yes Yes Yes Global Yes
innodb_ft_sort_pll_degree Yes Yes Yes Global No
innodb_ft_total_cache_size Yes Yes Yes Global No
innodb_ft_user_stopword_table Yes Yes Yes Both Yes
innodb_io_capacity Yes Yes Yes Global Yes
innodb_io_capacity_max Yes Yes Yes Global Yes
innodb_large_prefix Yes Yes Yes Global Yes
innodb_limit_optimistic_insert_debug Yes Yes Yes Global Yes
innodb_lock_wait_timeout Yes Yes Yes Both Yes
innodb_locks_unsafe_for_binlog Yes Yes Yes Global No
innodb_log_buffer_size Yes Yes Yes Global No
innodb_log_checkpoint_now Yes Yes Yes Global Yes
innodb_log_checksums Yes Yes Yes Global Yes
innodb_log_compressed_pages Yes Yes Yes Global Yes
innodb_log_file_size Yes Yes Yes Global No
innodb_log_files_in_group Yes Yes Yes Global No
innodb_log_group_home_dir Yes Yes Yes Global No
innodb_log_write_ahead_size Yes Yes Yes Global Yes
innodb_lru_scan_depth Yes Yes Yes Global Yes
innodb_max_dirty_pages_pct Yes Yes Yes Global Yes
innodb_max_dirty_pages_pct_lwm Yes Yes Yes Global Yes
innodb_max_purge_lag Yes Yes Yes Global Yes
innodb_max_purge_lag_delay Yes Yes Yes Global Yes
innodb_max_undo_log_size Yes Yes Yes Global Yes
innodb_merge_threshold_set_all_debug Yes Yes Yes Global Yes
innodb_monitor_disable Yes Yes Yes Global Yes
innodb_monitor_enable Yes Yes Yes Global Yes
innodb_monitor_reset Yes Yes Yes Global Yes
innodb_monitor_reset_all Yes Yes Yes Global Yes
innodb_numa_interleave Yes Yes Yes Global No
innodb_old_blocks_pct Yes Yes Yes Global Yes
innodb_old_blocks_time Yes Yes Yes Global Yes
innodb_online_alter_log_max_size Yes Yes Yes Global Yes
innodb_open_files Yes Yes Yes Global No
innodb_optimize_fulltext_only Yes Yes Yes Global Yes
innodb_page_cleaners Yes Yes Yes Global No
innodb_page_size Yes Yes Yes Global No
innodb_print_all_deadlocks Yes Yes Yes Global Yes
innodb_purge_batch_size Yes Yes Yes Global Yes
innodb_purge_rseg_truncate_frequency Yes Yes Yes Global Yes
innodb_purge_threads Yes Yes Yes Global No
innodb_random_read_ahead Yes Yes Yes Global Yes
innodb_read_ahead_threshold Yes Yes Yes Global Yes
innodb_read_io_threads Yes Yes Yes Global No
innodb_read_only Yes Yes Yes Global No
innodb_replication_delay Yes Yes Yes Global Yes
innodb_rollback_on_timeout Yes Yes Yes Global No
innodb_rollback_segments Yes Yes Yes Global Yes
innodb_saved_page_number_debug Yes Yes Yes Global Yes
innodb_sort_buffer_size Yes Yes Yes Global No
innodb_spin_wait_delay Yes Yes Yes Global Yes
innodb_stats_auto_recalc Yes Yes Yes Global Yes
innodb_stats_include_delete_marked Yes Yes Yes Global Yes
innodb_stats_method Yes Yes Yes Global Yes
innodb_stats_on_metadata Yes Yes Yes Global Yes
innodb_stats_persistent Yes Yes Yes Global Yes
innodb_stats_persistent_sample_pages Yes Yes Yes Global Yes
innodb_stats_sample_pages Yes Yes Yes Global Yes
innodb_stats_transient_sample_pages Yes Yes Yes Global Yes
innodb_status_output Yes Yes Yes Global Yes
innodb_status_output_locks Yes Yes Yes Global Yes
innodb_strict_mode Yes Yes Yes Both Yes
innodb_support_xa Yes Yes Yes Both Yes
innodb_sync_array_size Yes Yes Yes Global No
innodb_sync_debug Yes Yes Yes Global No
innodb_sync_spin_loops Yes Yes Yes Global Yes
innodb_table_locks Yes Yes Yes Both Yes
innodb_temp_data_file_path Yes Yes Yes Global No
innodb_thread_concurrency Yes Yes Yes Global Yes
innodb_thread_sleep_delay Yes Yes Yes Global Yes
innodb_tmpdir Yes Yes Yes Both Yes
innodb_trx_purge_view_update_only_debug Yes Yes Yes Global Yes
innodb_trx_rseg_n_slots_debug Yes Yes Yes Global Yes
innodb_undo_directory Yes Yes Yes Global No
innodb_undo_log_truncate Yes Yes Yes Global Yes
innodb_undo_logs Yes Yes Yes Global Yes
innodb_undo_tablespaces Yes Yes Yes Global No
innodb_use_native_aio Yes Yes Yes Global No
innodb_version Yes Global No
innodb_write_io_threads Yes Yes Yes Global No
insert_id Yes Session Yes
interactive_timeout Yes Yes Yes Both Yes
internal_tmp_disk_storage_engine Yes Yes Yes Global Yes
join_buffer_size Yes Yes Yes Both Yes
keep_files_on_create Yes Yes Yes Both Yes
key_buffer_size Yes Yes Yes Global Yes
key_cache_age_threshold Yes Yes Yes Global Yes
key_cache_block_size Yes Yes Yes Global Yes
key_cache_division_limit Yes Yes Yes Global Yes
keyring_aws_cmk_id Yes Yes Yes Global Yes
keyring_aws_conf_file Yes Yes Yes Global No
keyring_aws_data_file Yes Yes Yes Global No
keyring_aws_region Yes Yes Yes Global Yes
keyring_encrypted_file_data Yes Yes Yes Global Yes
keyring_encrypted_file_password Yes Yes Yes Global Yes
keyring_file_data Yes Yes Yes Global Yes
keyring_okv_conf_dir Yes Yes Yes Global Yes
keyring_operations Yes Global Yes
language Yes Yes Yes Global No
large_files_support Yes Global No
large_page_size Yes Global No
large_pages Yes Yes Yes Global No
last_insert_id Yes Session Yes
lc_messages Yes Yes Yes Both Yes
lc_messages_dir Yes Yes Yes Global No
lc_time_names Yes Yes Yes Both Yes
license Yes Global No
local_infile Yes Yes Yes Global Yes
lock_wait_timeout Yes Yes Yes Both Yes
locked_in_memory Yes Global No
log_bin Yes Global No
log_bin_basename Yes Global No
log_bin_index Yes Yes Yes Global No
log_bin_trust_function_creators Yes Yes Yes Global Yes
log_bin_use_v1_row_events Yes Yes Yes Global Yes
log_builtin_as_identified_by_password Yes Yes Yes Global Yes
log_error Yes Yes Yes Global No
log_error_verbosity Yes Yes Yes Global Yes
log_output Yes Yes Yes Global Yes
log_queries_not_using_indexes Yes Yes Yes Global Yes
log_slave_updates Yes Yes Yes Global No
log_slow_admin_statements Yes Yes Yes Global Yes
log_slow_slave_statements Yes Yes Yes Global Yes
log_statements_unsafe_for_binlog Yes Yes Yes Global Yes
log_syslog Yes Yes Yes Global Yes
log_syslog_facility Yes Yes Yes Global Yes
log_syslog_include_pid Yes Yes Yes Global Yes
log_syslog_tag Yes Yes Yes Global Yes
log_throttle_queries_not_using_indexes Yes Yes Yes Global Yes
log_timestamps Yes Yes Yes Global Yes
log_warnings Yes Yes Yes Global Yes
long_query_time Yes Yes Yes Both Yes
low_priority_updates Yes Yes Yes Both Yes
lower_case_file_system Yes Global No
lower_case_table_names Yes Yes Yes Global No
master_info_repository Yes Yes Yes Global Yes
master_verify_checksum Yes Yes Yes Global Yes
max_allowed_packet Yes Yes Yes Both Yes
max_binlog_cache_size Yes Yes Yes Global Yes
max_binlog_size Yes Yes Yes Global Yes
max_binlog_stmt_cache_size Yes Yes Yes Global Yes
max_connect_errors Yes Yes Yes Global Yes
max_connections Yes Yes Yes Global Yes
max_delayed_threads Yes Yes Yes Both Yes
max_digest_length Yes Yes Yes Global No
max_error_count Yes Yes Yes Both Yes
max_execution_time Yes Yes Yes Both Yes
max_heap_table_size Yes Yes Yes Both Yes
max_insert_delayed_threads Yes Both Yes
max_join_size Yes Yes Yes Both Yes
max_length_for_sort_data Yes Yes Yes Both Yes
max_points_in_geometry Yes Yes Yes Both Yes
max_prepared_stmt_count Yes Yes Yes Global Yes
max_relay_log_size Yes Yes Yes Global Yes
max_seeks_for_key Yes Yes Yes Both Yes
max_sort_length Yes Yes Yes Both Yes
max_sp_recursion_depth Yes Yes Yes Both Yes
max_tmp_tables Yes Both Yes
max_user_connections Yes Yes Yes Both Yes
max_write_lock_count Yes Yes Yes Global Yes
mecab_rc_file Yes Yes Yes Global No
metadata_locks_cache_size Yes Yes Yes Global No
metadata_locks_hash_instances Yes Yes Yes Global No
min_examined_row_limit Yes Yes Yes Both Yes
multi_range_count Yes Yes Yes Both Yes
myisam_data_pointer_size Yes Yes Yes Global Yes
myisam_max_sort_file_size Yes Yes Yes Global Yes
myisam_mmap_size Yes Yes Yes Global No
myisam_recover_options Yes Yes Yes Global No
myisam_repair_threads Yes Yes Yes Both Yes
myisam_sort_buffer_size Yes Yes Yes Both Yes
myisam_stats_method Yes Yes Yes Both Yes
myisam_use_mmap Yes Yes Yes Global Yes
mysql_firewall_mode Yes Yes Yes Global Yes
mysql_firewall_trace Yes Yes Yes Global Yes
mysql_native_password_proxy_users Yes Yes Yes Global Yes
mysqlx_bind_address Yes Yes Yes Global No
mysqlx_connect_timeout Yes Yes Yes Global Yes
mysqlx_idle_worker_thread_timeout Yes Yes Yes Global Yes
mysqlx_max_allowed_packet Yes Yes Yes Global Yes
mysqlx_max_connections Yes Yes Yes Global Yes
mysqlx_min_worker_threads Yes Yes Yes Global Yes
mysqlx_port Yes Yes Yes Global No
mysqlx_port_open_timeout Yes Yes Yes Global No
mysqlx_socket Yes Yes Yes Global No
mysqlx_ssl_ca Yes Yes Yes Global No
mysqlx_ssl_capath Yes Yes Yes Global No
mysqlx_ssl_cert Yes Yes Yes Global No
mysqlx_ssl_cipher Yes Yes Yes Global No
mysqlx_ssl_crl Yes Yes Yes Global No
mysqlx_ssl_crlpath Yes Yes Yes Global No
mysqlx_ssl_key Yes Yes Yes Global No
named_pipe Yes Yes Yes Global No
named_pipe_full_access_group Yes Yes Yes Global No
ndb_allow_copying_alter_table Yes Yes Yes Both Yes
ndb_autoincrement_prefetch_sz Yes Yes Yes Both Yes
ndb_batch_size Yes Yes Yes Both Yes
ndb_blob_read_batch_bytes Yes Yes Yes Both Yes
ndb_blob_write_batch_bytes Yes Yes Yes Both Yes
ndb_cache_check_time Yes Yes Yes Global Yes
ndb_clear_apply_status Yes Yes Global Yes
ndb_cluster_connection_pool Yes Yes Yes Global No
ndb_cluster_connection_pool_nodeids Yes Yes Yes Global No
ndb_data_node_neighbour Yes Yes Yes Global Yes
ndb_default_column_format Yes Yes Yes Global Yes
ndb_default_column_format Yes Yes Yes Global Yes
ndb_deferred_constraints Yes Yes Yes Both Yes
ndb_deferred_constraints Yes Yes Yes Both Yes
ndb_distribution Yes Yes Yes Global Yes
ndb_distribution Yes Yes Yes Global Yes
ndb_eventbuffer_free_percent Yes Yes Yes Global Yes
ndb_eventbuffer_max_alloc Yes Yes Yes Global Yes
ndb_extra_logging Yes Yes Yes Global Yes
ndb_force_send Yes Yes Yes Both Yes
ndb_fully_replicated Yes Yes Yes Both Yes
ndb_index_stat_enable Yes Yes Yes Both Yes
ndb_index_stat_option Yes Yes Yes Both Yes
ndb_join_pushdown Yes Both Yes
ndb_log_apply_status Yes Yes Yes Global No
ndb_log_apply_status Yes Yes Yes Global No
ndb_log_bin Yes Yes Both No
ndb_log_binlog_index Yes Yes Global Yes
ndb_log_empty_epochs Yes Yes Yes Global Yes
ndb_log_empty_epochs Yes Yes Yes Global Yes
ndb_log_empty_update Yes Yes Yes Global Yes
ndb_log_empty_update Yes Yes Yes Global Yes
ndb_log_exclusive_reads Yes Yes Yes Both Yes
ndb_log_exclusive_reads Yes Yes Yes Both Yes
ndb_log_fail_terminate Yes Yes Yes Global No
ndb_log_orig Yes Yes Yes Global No
ndb_log_orig Yes Yes Yes Global No
ndb_log_transaction_id Yes Yes Yes Global No
ndb_log_transaction_id Yes Global No
ndb_log_update_as_write Yes Yes Yes Global Yes
ndb_log_update_minimal Yes Yes Yes Global Yes
ndb_log_updated_only Yes Yes Yes Global Yes
ndb_optimization_delay Yes Yes Yes Global Yes
ndb_optimized_node_selection Yes Yes Yes Global No
ndb_read_backup Yes Yes Yes Global Yes
ndb_recv_thread_activation_threshold Yes Yes Yes Global Yes
ndb_recv_thread_cpu_mask Yes Yes Yes Global Yes
ndb_report_thresh_binlog_epoch_slip Yes Yes Yes Global Yes
ndb_report_thresh_binlog_mem_usage Yes Yes Yes Global Yes
ndb_row_checksum Yes Both Yes
ndb_show_foreign_key_mock_tables Yes Yes Yes Global Yes
ndb_slave_conflict_role Yes Yes Yes Global Yes
Ndb_system_name Yes Global No
ndb_table_no_logging Yes Session Yes
ndb_table_temporary Yes Session Yes
ndb_use_copying_alter_table Yes Both No
ndb_use_exact_count Yes Both Yes
ndb_use_transactions Yes Yes Yes Both Yes
ndb_version Yes Global No
ndb_version_string Yes Global No
ndb_wait_connected Yes Yes Yes Global No
ndb_wait_setup Yes Yes Yes Global No
ndbinfo_database Yes Global No
ndbinfo_max_bytes Yes Yes Both Yes
ndbinfo_max_rows Yes Yes Both Yes
ndbinfo_offline Yes Global Yes
ndbinfo_show_hidden Yes Yes Both Yes
ndbinfo_table_prefix Yes Global No
ndbinfo_version Yes Global No
net_buffer_length Yes Yes Yes Both Yes
net_read_timeout Yes Yes Yes Both Yes
net_retry_count Yes Yes Yes Both Yes
net_write_timeout Yes Yes Yes Both Yes
new Yes Yes Yes Both Yes
ngram_token_size Yes Yes Yes Global No
offline_mode Yes Yes Yes Global Yes
old Yes Yes Yes Global No
old_alter_table Yes Yes Yes Both Yes
old_passwords Yes Yes Yes Both Yes
open_files_limit Yes Yes Yes Global No
optimizer_prune_level Yes Yes Yes Both Yes
optimizer_search_depth Yes Yes Yes Both Yes
optimizer_switch Yes Yes Yes Both Yes
optimizer_trace Yes Yes Yes Both Yes
optimizer_trace_features Yes Yes Yes Both Yes
optimizer_trace_limit Yes Yes Yes Both Yes
optimizer_trace_max_mem_size Yes Yes Yes Both Yes
optimizer_trace_offset Yes Yes Yes Both Yes
parser_max_mem_size Yes Yes Yes Both Yes
performance_schema Yes Yes Yes Global No
performance_schema_accounts_size Yes Yes Yes Global No
performance_schema_digests_size Yes Yes Yes Global No
performance_schema_events_stages_history_long_size Yes Yes Yes Global No
performance_schema_events_stages_history_size Yes Yes Yes Global No
performance_schema_events_statements_history_long_size Yes Yes Yes Global No
performance_schema_events_statements_history_size Yes Yes Yes Global No
performance_schema_events_transactions_history_long_size Yes Yes Yes Global No
performance_schema_events_transactions_history_size Yes Yes Yes Global No
performance_schema_events_waits_history_long_size Yes Yes Yes Global No
performance_schema_events_waits_history_size Yes Yes Yes Global No
performance_schema_hosts_size Yes Yes Yes Global No
performance_schema_max_cond_classes Yes Yes Yes Global No
performance_schema_max_cond_instances Yes Yes Yes Global No
performance_schema_max_digest_length Yes Yes Yes Global No
performance_schema_max_file_classes Yes Yes Yes Global No
performance_schema_max_file_handles Yes Yes Yes Global No
performance_schema_max_file_instances Yes Yes Yes Global No
performance_schema_max_index_stat Yes Yes Yes Global No
performance_schema_max_memory_classes Yes Yes Yes Global No
performance_schema_max_metadata_locks Yes Yes Yes Global No
performance_schema_max_mutex_classes Yes Yes Yes Global No
performance_schema_max_mutex_instances Yes Yes Yes Global No
performance_schema_max_prepared_statements_instances Yes Yes Yes Global No
performance_schema_max_program_instances Yes Yes Yes Global No
performance_schema_max_rwlock_classes Yes Yes Yes Global No
performance_schema_max_rwlock_instances Yes Yes Yes Global No
performance_schema_max_socket_classes Yes Yes Yes Global No
performance_schema_max_socket_instances Yes Yes Yes Global No
performance_schema_max_sql_text_length Yes Yes Yes Global No
performance_schema_max_stage_classes Yes Yes Yes Global No
performance_schema_max_statement_classes Yes Yes Yes Global No
performance_schema_max_statement_stack Yes Yes Yes Global No
performance_schema_max_table_handles Yes Yes Yes Global No
performance_schema_max_table_instances Yes Yes Yes Global No
performance_schema_max_table_lock_stat Yes Yes Yes Global No
performance_schema_max_thread_classes Yes Yes Yes Global No
performance_schema_max_thread_instances Yes Yes Yes Global No
performance_schema_session_connect_attrs_size Yes Yes Yes Global No
performance_schema_setup_actors_size Yes Yes Yes Global No
performance_schema_setup_objects_size Yes Yes Yes Global No
performance_schema_show_processlist Yes Yes Yes Global Yes
performance_schema_users_size Yes Yes Yes Global No
pid_file Yes Yes Yes Global No
plugin_dir Yes Yes Yes Global No
port Yes Yes Yes Global No
preload_buffer_size Yes Yes Yes Both Yes
profiling Yes Both Yes
profiling_history_size Yes Yes Yes Both Yes
protocol_version Yes Global No
proxy_user Yes Session No
pseudo_slave_mode Yes Session Yes
pseudo_thread_id Yes Session Yes
query_alloc_block_size Yes Yes Yes Both Yes
query_cache_limit Yes Yes Yes Global Yes
query_cache_min_res_unit Yes Yes Yes Global Yes
query_cache_size Yes Yes Yes Global Yes
query_cache_type Yes Yes Yes Both Yes
query_cache_wlock_invalidate Yes Yes Yes Both Yes
query_prealloc_size Yes Yes Yes Both Yes
rand_seed1 Yes Session Yes
rand_seed2 Yes Session Yes
range_alloc_block_size Yes Yes Yes Both Yes
range_optimizer_max_mem_size Yes Yes Yes Both Yes
rbr_exec_mode Yes Session Yes
read_buffer_size Yes Yes Yes Both Yes
read_only Yes Yes Yes Global Yes
read_rnd_buffer_size Yes Yes Yes Both Yes
relay_log Yes Yes Yes Global No
relay_log_basename Yes Global No
relay_log_index Yes Yes Yes Global No
relay_log_info_file Yes Yes Yes Global No
relay_log_info_repository Yes Yes Yes Global Yes
relay_log_purge Yes Yes Yes Global Yes
relay_log_recovery Yes Yes Yes Global No
relay_log_space_limit Yes Yes Yes Global No
replication_optimize_for_static_plugin_config Yes Yes Yes Global Yes
replication_sender_observe_commit_only Yes Yes Yes Global Yes
report_host Yes Yes Yes Global No
report_password Yes Yes Yes Global No
report_port Yes Yes Yes Global No
report_user Yes Yes Yes Global No
require_secure_transport Yes Yes Yes Global Yes
rewriter_enabled Yes Global Yes
rewriter_verbose Yes Global Yes
rpl_semi_sync_master_enabled Yes Yes Yes Global Yes
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_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_slave_enabled Yes Yes Yes Global Yes
rpl_semi_sync_slave_trace_level Yes Yes Yes Global Yes
rpl_stop_slave_timeout Yes Yes Yes Global Yes
secure_auth Yes Yes Yes Global Yes
secure_file_priv Yes Yes Yes Global No
server_id Yes Yes Yes Global Yes
server_id_bits Yes Yes Yes Global No
server_uuid Yes Global No
session_track_gtids Yes Yes Yes Both Yes
session_track_schema Yes Yes Yes Both Yes
session_track_state_change Yes Yes Yes Both Yes
session_track_system_variables Yes Yes Yes Both Yes
session_track_transaction_info Yes Yes Yes Both Yes
sha256_password_auto_generate_rsa_keys Yes Yes Yes Global No
sha256_password_private_key_path Yes Yes Yes Global No
sha256_password_proxy_users Yes Yes Yes Global Yes
sha256_password_public_key_path Yes Yes Yes Global No
shared_memory Yes Yes Yes Global No
shared_memory_base_name Yes Yes Yes Global No
show_compatibility_56 Yes Yes Yes Global Yes
show_create_table_verbosity Yes Yes Yes Both Yes
show_old_temporals Yes Yes Yes Both Yes
skip_external_locking Yes Yes Yes Global No
skip_name_resolve Yes Yes Yes Global No
skip_networking Yes Yes Yes Global No
skip_show_database Yes Yes Yes Global No
skip_slave_start Yes Yes Yes Global No
slave_allow_batching Yes Yes Yes Global Yes
slave_checkpoint_group Yes Yes Yes Global Yes
slave_checkpoint_period Yes Yes Yes Global Yes
slave_compressed_protocol Yes Yes Yes Global Yes
slave_exec_mode Yes Yes Yes Global Yes
slave_load_tmpdir Yes Yes Yes Global No
slave_max_allowed_packet Yes Yes Yes Global Yes
slave_net_timeout Yes Yes Yes Global Yes
slave_parallel_type Yes Yes Yes Global Yes
slave_parallel_workers Yes Yes Yes Global Yes
slave_pending_jobs_size_max Yes Yes Yes Global Yes
slave_preserve_commit_order Yes Yes Yes Global Yes
slave_rows_search_algorithms Yes Yes Yes Global Yes
slave_skip_errors Yes Yes Yes Global No
slave_sql_verify_checksum Yes Yes Yes Global Yes
slave_transaction_retries Yes Yes Yes Global Yes
slave_type_conversions Yes Yes Yes Global Yes
slow_launch_time Yes Yes Yes Global Yes
slow_query_log Yes Yes Yes Global Yes
slow_query_log_file Yes Yes Yes Global Yes
socket Yes Yes Yes Global No
sort_buffer_size Yes Yes Yes Both Yes
sql_auto_is_null Yes Both Yes
sql_big_selects Yes Both Yes
sql_buffer_result Yes Both Yes
sql_log_bin Yes Session Yes
sql_log_off Yes Both Yes
sql_mode Yes Yes Yes Both Yes
sql_notes Yes Both Yes
sql_quote_show_create Yes Both Yes
sql_safe_updates Yes Both Yes
sql_select_limit Yes Both Yes
sql_slave_skip_counter Yes Global Yes
sql_warnings Yes Both Yes
ssl_ca Yes Yes Yes Global No
ssl_capath Yes Yes Yes Global No
ssl_cert Yes Yes Yes Global No
ssl_cipher Yes Yes Yes Global No
ssl_crl Yes Yes Yes Global No
ssl_crlpath Yes Yes Yes Global No
ssl_key Yes Yes Yes Global No
stored_program_cache Yes Yes Yes Global Yes
super_read_only Yes Yes Yes Global Yes
sync_binlog Yes Yes Yes Global Yes
sync_frm Yes Yes Yes Global Yes
sync_master_info Yes Yes Yes Global Yes
sync_relay_log Yes Yes Yes Global Yes
sync_relay_log_info Yes Yes Yes Global Yes
system_time_zone Yes Global No
table_definition_cache Yes Yes Yes Global Yes
table_open_cache Yes Yes Yes Global Yes
table_open_cache_instances Yes Yes Yes Global No
thread_cache_size Yes Yes Yes Global Yes
thread_handling Yes Yes Yes Global No
thread_pool_algorithm Yes Yes Yes Global No
thread_pool_high_priority_connection Yes Yes Yes Both Yes
thread_pool_max_unused_threads Yes Yes Yes Global Yes
thread_pool_prio_kickup_timer Yes Yes Yes Global Yes
thread_pool_size Yes Yes Yes Global No
thread_pool_stall_limit Yes Yes Yes Global Yes
thread_stack Yes Yes Yes Global No
time_format Yes Global No
time_zone Yes Both Yes
timestamp Yes Session Yes
tls_version Yes Yes Yes Global No
tmp_table_size Yes Yes Yes Both Yes
tmpdir Yes Yes Yes Global No
transaction_alloc_block_size Yes Yes Yes Both Yes
transaction_allow_batching Yes Session Yes
transaction_isolation Yes Yes Yes
Variable: tx_isolation Yes Both Yes
transaction_prealloc_size Yes Yes Yes Both Yes
transaction_read_only Yes Yes Yes
Variable: tx_read_only Yes Both Yes
transaction_write_set_extraction Yes Yes Yes Both Yes
tx_isolation Yes Both Yes
tx_read_only Yes Both Yes
unique_checks Yes Both Yes
updatable_views_with_limit Yes Yes Yes Both Yes
validate_password_check_user_name Yes Yes Yes Global Yes
validate_password_dictionary_file Yes Yes Yes Global Varies
validate_password_length Yes Yes Yes Global Yes
validate_password_mixed_case_count Yes Yes Yes Global Yes
validate_password_number_count Yes Yes Yes Global Yes
validate_password_policy Yes Yes Yes Global Yes
validate_password_special_char_count Yes Yes Yes Global Yes
version Yes Global No
version_comment Yes Global No
version_compile_machine Yes Global No
version_compile_os Yes Global No
version_tokens_session Yes Yes Yes Both Yes
version_tokens_session_number Yes Yes Yes Both No
wait_timeout Yes Yes Yes Both Yes
warning_count Yes Session No
 

Notes:

1. 该选项是动态的,但只能由服务器设置。您不应手动设置此变量。

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