root@mysql215 11:01: [(none)]> show global variables; +++++++++++++++++++++++++++++++++++++++++++ VARIABLE_NAME VALUE +++++++++++++++++++++++++++++++++++++++++++ auto_increment_increment 1 auto_increment_offset 1 autocommit ON automatic_sp_privileges ON avoid_temporal_upgrade OFF back_log 1024 basedir /usr/local/mysql5722/ big_tables OFF bind_address * binlog_cache_size 4194304 binlog_checksum CRC32 binlog_direct_non_transactional_updates OFF binlog_error_action ABORT_SERVER binlog_format ROW binlog_group_commit_sync_delay 0 binlog_group_commit_sync_no_delay_count 0 binlog_gtid_simple_recovery ON binlog_max_flush_queue_time 0 binlog_order_commits ON binlog_row_image FULL binlog_rows_query_log_events OFF binlog_stmt_cache_size 32768 binlog_transaction_dependency_history_size 25000 binlog_transaction_dependency_tracking COMMIT_ORDER block_encryption_mode aes-128-ecb bulk_insert_buffer_size 33554432 character_set_client utf8mb4 character_set_connection utf8mb4 character_set_database utf8mb4 character_set_filesystem binary character_set_results utf8mb4 character_set_server utf8mb4 character_set_system utf8 character_sets_dir /usr/local/mysql5722/share/charsets/ check_proxy_users OFF collation_connection utf8mb4_unicode_ci collation_database utf8mb4_unicode_ci collation_server utf8mb4_unicode_ci completion_type NO_CHAIN concurrent_insert AUTO connect_timeout 10 core_file OFF datadir /data/mysql/ date_format %Y-%m-%d datetime_format %Y-%m-%d default_authentication_plugin mysql_native_password default_password_lifetime 0 default_storage_engine InnoDB default_tmp_storage_engine InnoDB default_week_format 0 delay_key_write ON delayed_insert_limit 100 delayed_insert_timeout 300 delayed_queue_size 1000 disabled_storage_engines MyISAM,BLACKHOLE,FEDERATED,CSV,ARCHIVE disconnect_on_expired_password ON div_precision_increment 4 end_markers_in_json OFF enforce_gtid_consistency ON eq_range_index_dive_limit 200 event_scheduler OFF expire_logs_days 7 explicit_defaults_for_timestamp ON flush OFF flush_time 0 foreign_key_checks ON ft_boolean_syntax + ft_max_word_len 84 ft_min_word_len 4 ft_query_expansion_limit 20 ft_stopword_file (built-in) general_log OFF general_log_file /data/mysql/ugc215.log group_concat_max_len 1024 gtid_executed 60621748-bda4-11e7-acd0-1458d0fc4480:1-760352, a00fc3d0-bd9b-11e7-ac97-1458d0fc44c8:1-886 gtid_executed_compression_period 1000 gtid_mode ON gtid_owned gtid_purged have_compress YES have_crypt YES have_dynamic_loading YES have_geometry YES have_openssl DISABLED have_profiling YES have_query_cache YES have_rtree_keys YES have_ssl DISABLED have_statement_timeout YES have_symlink YES host_cache_size 678 hostname ugc215 ignore_builtin_innodb OFF ignore_db_dirs init_connect SET init_file init_slave innodb_adaptive_flushing ON innodb_adaptive_flushing_lwm 10 innodb_adaptive_hash_index ON innodb_adaptive_hash_index_parts 8 innodb_adaptive_max_sleep_delay 150000 innodb_api_bk_commit_interval 5 innodb_api_disable_rowlock OFF innodb_api_enable_binlog OFF innodb_api_enable_mdl OFF innodb_api_trx_level 0 innodb_autoextend_increment 64 innodb_autoinc_lock_mode 1 innodb_buffer_pool_chunk_size 134217728 innodb_buffer_pool_dump_at_shutdown ON innodb_buffer_pool_dump_now OFF innodb_buffer_pool_dump_pct 25 innodb_buffer_pool_filename ib_buffer_pool innodb_buffer_pool_instances 8 innodb_buffer_pool_load_abort OFF innodb_buffer_pool_load_at_startup ON innodb_buffer_pool_load_now OFF innodb_buffer_pool_size 21474836480 innodb_change_buffer_max_size 25 innodb_change_buffering all innodb_checksum_algorithm crc32 innodb_checksums ON innodb_cmp_per_index_enabled OFF innodb_commit_concurrency 0 innodb_compression_failure_threshold_pct 5 innodb_compression_level 6 innodb_compression_pad_pct_max 50 innodb_concurrency_tickets 5000 innodb_data_file_path ibdata1:1G:autoextend innodb_data_home_dir innodb_deadlock_detect ON innodb_default_row_format dynamic innodb_disable_sort_file_cache OFF innodb_doublewrite ON innodb_fast_shutdown 1 innodb_file_format Barracuda innodb_file_format_check ON innodb_file_format_max Barracuda innodb_file_per_table ON innodb_fill_factor 100 innodb_flush_log_at_timeout 1 innodb_flush_log_at_trx_commit 0 innodb_flush_method O_DIRECT innodb_flush_neighbors 0 innodb_flush_sync ON innodb_flushing_avg_loops 30 innodb_force_load_corrupted OFF innodb_force_recovery 0 innodb_ft_aux_table innodb_ft_cache_size 8000000 innodb_ft_enable_diag_print OFF innodb_ft_enable_stopword ON innodb_ft_max_token_size 84 innodb_ft_min_token_size 3 innodb_ft_num_word_optimize 2000 innodb_ft_result_cache_limit 2000000000 innodb_ft_server_stopword_table innodb_ft_sort_pll_degree 2 innodb_ft_total_cache_size 640000000 innodb_ft_user_stopword_table innodb_io_capacity 4000 innodb_io_capacity_max 8000 innodb_large_prefix ON innodb_lock_wait_timeout 30 innodb_locks_unsafe_for_binlog OFF innodb_log_buffer_size 8388608 innodb_log_checksums ON innodb_log_compressed_pages ON innodb_log_file_size 2147483648 innodb_log_files_in_group 4 innodb_log_group_home_dir /log/mysql/iblog innodb_log_write_ahead_size 8192 innodb_lru_scan_depth 4000 innodb_max_dirty_pages_pct 80 innodb_max_dirty_pages_pct_lwm 0 innodb_max_purge_lag 0 innodb_max_purge_lag_delay 0 innodb_max_undo_log_size 4294967296 innodb_monitor_disable innodb_monitor_enable all innodb_monitor_reset innodb_monitor_reset_all innodb_numa_interleave OFF innodb_old_blocks_pct 37 innodb_old_blocks_time 1000 innodb_online_alter_log_max_size 4294967296 innodb_open_files 65535 innodb_optimize_fulltext_only OFF innodb_page_cleaners 4 innodb_page_size 16384 innodb_print_all_deadlocks ON innodb_purge_batch_size 300 innodb_purge_rseg_truncate_frequency 128 innodb_purge_threads 4 innodb_random_read_ahead OFF innodb_read_ahead_threshold 56 innodb_read_io_threads 8 innodb_read_only OFF innodb_replication_delay 0 innodb_rollback_on_timeout ON innodb_rollback_segments 128 innodb_sort_buffer_size 1048576 innodb_spin_wait_delay 30 innodb_stats_auto_recalc ON innodb_stats_include_delete_marked OFF innodb_stats_method nulls_equal innodb_stats_on_metadata OFF innodb_stats_persistent ON innodb_stats_persistent_sample_pages 20 innodb_stats_sample_pages 8 innodb_stats_transient_sample_pages 8 innodb_status_output OFF innodb_status_output_locks OFF innodb_strict_mode ON innodb_support_xa ON innodb_sync_array_size 1 innodb_sync_spin_loops 100 innodb_table_locks ON innodb_temp_data_file_path ibtmp1:12M:autoextend innodb_thread_concurrency 4 innodb_thread_sleep_delay 0 innodb_tmpdir innodb_undo_directory ./ innodb_undo_log_truncate OFF innodb_undo_logs 128 innodb_undo_tablespaces 0 innodb_use_native_aio ON innodb_version 5.7.22 innodb_write_io_threads 8 interactive_timeout 1200 internal_tmp_disk_storage_engine InnoDB join_buffer_size 2097152 keep_files_on_create OFF key_buffer_size 4194304 key_cache_age_threshold 300 key_cache_block_size 1024 key_cache_division_limit 100 keyring_operations ON large_files_support ON large_page_size 0 large_pages OFF lc_messages en_US lc_messages_dir /usr/local/mysql5722/share/english/ lc_time_names en_US license GPL local_infile ON lock_wait_timeout 31536000 locked_in_memory OFF log_bin ON log_bin_basename /log/mysql/binary/mysql-bin log_bin_index /log/mysql/binary/mysql-bin.index log_bin_trust_function_creators OFF log_bin_use_v1_row_events OFF log_builtin_as_identified_by_password OFF log_error /log/mysql/my3306.err log_error_verbosity 3 log_output FILE log_queries_not_using_indexes OFF log_slave_updates ON log_slow_admin_statements OFF log_slow_slave_statements OFF log_statements_unsafe_for_binlog ON log_syslog OFF log_syslog_facility daemon log_syslog_include_pid ON log_syslog_tag log_throttle_queries_not_using_indexes 0 log_timestamps UTC log_warnings 2 long_query_time 1 low_priority_updates OFF lower_case_file_system OFF lower_case_table_names 0 master_info_repository TABLE master_verify_checksum OFF max_allowed_packet 536870912 max_binlog_cache_size 2147483648 max_binlog_size 1073741824 max_binlog_stmt_cache_size 1.84467E+19 max_connect_errors 1000000 max_connections 500 max_delayed_threads 20 max_digest_length 1024 max_error_count 64 max_execution_time 0 max_heap_table_size 67108864 max_insert_delayed_threads 20 max_join_size 1.84467E+19 max_length_for_sort_data 1024 max_points_in_geometry 65536 max_prepared_stmt_count 16382 max_relay_log_size 0 max_seeks_for_key 1.84467E+19 max_sort_length 1024 max_sp_recursion_depth 0 max_tmp_tables 32 max_user_connections 0 max_write_lock_count 1.84467E+19 metadata_locks_cache_size 1024 metadata_locks_hash_instances 8 min_examined_row_limit 0 multi_range_count 256 myisam_data_pointer_size 6 myisam_max_sort_file_size 10737418240 myisam_mmap_size 1.84467E+19 myisam_recover_options OFF myisam_repair_threads 1 myisam_sort_buffer_size 8388608 myisam_stats_method nulls_unequal myisam_use_mmap OFF mysql_native_password_proxy_users OFF net_buffer_length 16384 net_read_timeout 30 net_retry_count 10 net_write_timeout 60 new OFF ngram_token_size 2 offline_mode OFF old OFF old_alter_table OFF old_passwords 0 open_files_limit 65535 optimizer_prune_level 1 optimizer_search_depth 62 optimizer_switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on,index_condition_pushdown=on,mrr=on,mrr_cost_based=on,block_nested_loop=on,batched_key_access=off,materialization=on,semijoin=on,loosescan=on,firstmatch=on,duplicateweedout=on,subquery_materialization_cost_based=on,use_index_extensions=on,condition_fanout_filter=on,derived_merge=on optimizer_trace enabled=off,one_line=off optimizer_trace_features greedy_search=on,range_optimizer=on,dynamic_range=on,repeated_subselect=on optimizer_trace_limit 1 optimizer_trace_max_mem_size 16384 optimizer_trace_offset -1 parser_max_mem_size 1.84467E+19 performance_schema ON performance_schema_accounts_size -1 performance_schema_digests_size 10000 performance_schema_events_stages_history_long_size 10000 performance_schema_events_stages_history_size 10 performance_schema_events_statements_history_long_size 10000 performance_schema_events_statements_history_size 10 performance_schema_events_transactions_history_long_size 10000 performance_schema_events_transactions_history_size 10 performance_schema_events_waits_history_long_size 10000 performance_schema_events_waits_history_size 10 performance_schema_hosts_size -1 performance_schema_max_cond_classes 80 performance_schema_max_cond_instances -1 performance_schema_max_digest_length 1024 performance_schema_max_file_classes 80 performance_schema_max_file_handles 32768 performance_schema_max_file_instances -1 performance_schema_max_index_stat -1 performance_schema_max_memory_classes 320 performance_schema_max_metadata_locks -1 performance_schema_max_mutex_classes 210 performance_schema_max_mutex_instances -1 performance_schema_max_prepared_statements_instances -1 performance_schema_max_program_instances -1 performance_schema_max_rwlock_classes 40 performance_schema_max_rwlock_instances -1 performance_schema_max_socket_classes 10 performance_schema_max_socket_instances -1 performance_schema_max_sql_text_length 1024 performance_schema_max_stage_classes 150 performance_schema_max_statement_classes 193 performance_schema_max_statement_stack 10 performance_schema_max_table_handles -1 performance_schema_max_table_instances -1 performance_schema_max_table_lock_stat -1 performance_schema_max_thread_classes 50 performance_schema_max_thread_instances -1 performance_schema_session_connect_attrs_size 512 performance_schema_setup_actors_size -1 performance_schema_setup_objects_size -1 performance_schema_users_size -1 pid_file /data/mysql/mysql3306.pid plugin_dir /usr/local/mysql5722/lib/plugin/ port 3306 preload_buffer_size 32768 profiling OFF profiling_history_size 15 protocol_version 10 query_alloc_block_size 8192 query_cache_limit 1048576 query_cache_min_res_unit 4096 query_cache_size 0 query_cache_type OFF query_cache_wlock_invalidate OFF query_prealloc_size 8192 range_alloc_block_size 4096 range_optimizer_max_mem_size 8388608 rbr_exec_mode STRICT read_buffer_size 2097152 read_only OFF read_rnd_buffer_size 2097152 relay_log /log/mysql/relay/slave-relay-bin relay_log_basename /log/mysql/relay/slave-relay-bin relay_log_index /log/mysql/relay/slave-relay-bin.index relay_log_info_file relay-log.info relay_log_info_repository TABLE relay_log_purge ON relay_log_recovery ON relay_log_space_limit 0 report_host 10.25.151.215 report_password report_port 3306 report_user require_secure_transport OFF rpl_stop_slave_timeout 31536000 secure_auth ON secure_file_priv NULL server_id 2153306 server_id_bits 32 server_uuid 60621748-bda4-11e7-acd0-1458d0fc4480 session_track_gtids OFF session_track_schema ON session_track_state_change OFF session_track_system_variables time_zone,autocommit,character_set_client,character_set_results,character_set_connection session_track_transaction_info OFF sha256_password_proxy_users OFF show_compatibility_56 OFF show_create_table_verbosity OFF show_old_temporals OFF skip_external_locking ON skip_name_resolve ON skip_networking OFF skip_show_database OFF slave_allow_batching OFF slave_checkpoint_group 512 slave_checkpoint_period 300 slave_compressed_protocol OFF slave_exec_mode STRICT slave_load_tmpdir /tmp slave_max_allowed_packet 1073741824 slave_net_timeout 60 slave_parallel_type LOGICAL_CLOCK slave_parallel_workers 8 slave_pending_jobs_size_max 16777216 slave_preserve_commit_order ON slave_rows_search_algorithms TABLE_SCAN,INDEX_SCAN slave_skip_errors OFF slave_sql_verify_checksum ON slave_transaction_retries 10 slave_type_conversions slow_launch_time 2 slow_query_log ON slow_query_log_file /log/mysql/slow3306.log socket /tmp/mysql.sock sort_buffer_size 2097152 sql_auto_is_null OFF sql_big_selects ON sql_buffer_result OFF sql_log_off OFF sql_mode STRICT_TRANS_TABLES,NO_ENGINE_SUBSTITUTION sql_notes ON sql_quote_show_create ON sql_safe_updates OFF sql_select_limit 1.84467E+19 sql_slave_skip_counter 0 sql_warnings OFF ssl_ca ssl_capath ssl_cert ssl_cipher ssl_crl ssl_crlpath ssl_key stored_program_cache 256 super_read_only OFF sync_binlog 0 sync_frm ON sync_master_info 1 sync_relay_log 10000 sync_relay_log_info 10000 system_time_zone CST table_definition_cache 2000 table_open_cache 2000 table_open_cache_instances 64 thread_cache_size 1000 thread_handling one-thread-per-connection thread_stack 524288 time_format %H:%i:%s time_zone SYSTEM tls_version TLSv1,TLSv1.1 tmp_table_size 67108864 tmpdir /tmp transaction_alloc_block_size 8192 transaction_isolation REPEATABLE-READ transaction_prealloc_size 4096 transaction_read_only OFF transaction_write_set_extraction OFF tx_isolation REPEATABLE-READ tx_read_only OFF unique_checks ON updatable_views_with_limit YES validate_password_check_user_name OFF validate_password_dictionary_file validate_password_length 10 validate_password_mixed_case_count 1 validate_password_number_count 1 validate_password_policy STRONG validate_password_special_char_count 1 version 5.7.22-log version_comment MySQL version_compile_machine x86_64 version_compile_os linux-glibc2.12 wait_timeout 1200 +--------------+-------+ 506 rows in set (0.01 sec)