MySQL 5.6.10变量：找不到INNODB_BUFFER_POOL_SIZE吗？

Question

由Amazon-RDS-Aurora托管的我的复制器MySQL数据库运行不佳。数据库功能强大，因此性能不成问题。

当我执行

SHOW VARIABLES;

我找不到INNODB_BUFFER_POOL_SIZE。怎么会这样我怀疑此参数与性能不佳有关。

这是我的配置变量：

变量名称值 aurora_lab_mode关闭 aurora_load_from_s3_role
aurora_max_alter_table_log_entries 1000 aurora_max_connections_limit 16000 aurora_select_into_s3_role
aurora_server_id表 aurora_use_key_prefetch开启 aurora_version 1.17.2 auto_increment_increment 1 auto_increment_offset 1 自动提交 automatic_sp_privileges开启 aws_default_lambda_role aws_default_s3_role awsauthenticationplugin_max_backoff_delay 2000 awsauthenticationplugin_max_retry_count 3 awsauthenticationplugin_retry_delay 250 back_log 650 basedir / rdsdbbin / oscar / big_tables关闭 bind_address * binlog_cache_size 32768 binlog_checksum CRC32 binlog_direct_non_transactional_updates关闭 binlog_format STATEMENT binlog_max_flush_queue_time 0 binlog_order_commits开启 binlog_row_image已满 binlog_rows_query_log_events关闭 binlog_stmt_cache_size 32768 bulk_insert_buffer_size 8388608 character_set_client utf8 character_set_connection utf8 character_set_database latin1 character_set_filesystem二进制 character_set_results utf8 character_set_server latin1 character_set_system utf8 character_sets_dir * collat​​ion_connection utf8_general_ci collat​​ion_database latin1_swedish_ci collat​​ion_server latin1_swedish_ci complete_type NO_CHAIN parallel_insert自动 connect_timeout 10 core_file开启 数据目录/ rdsdbdata / db / date_format％Y-％m-％d datetime_format％Y-％m-％d％H：％i：％s default_storage_engine InnoDB default_tmp_storage_engine InnoDB default_week_format 0 delay_key_write开 delay_insert_limit 100 delay_insert_timeout 300 delay_queue_size 1000 offline_on_expired_pa​​ssword开启 div_precision_increment 4 end_markers_in_json关闭 执行_gtid_consistency关闭 eq_range_index_dive_limit 10 error_count 0 event_scheduler OFF expire_logs_days 0 explicit_defaults_for_timestamp开启 external_user
冲洗关闭 flush_time 0 foreign_key_checks开启 ft_boolean_syntax +-> <（）〜*：\“＆|” ft_max_word_len 84 ft_min_word_len 4 ft_query_expansion_limit 20 ft_stopword_file（内置） general_log关闭 general_log_file /rdsdbdata/log/general/mysql-general.log group_concat_max_len 1024 gtid_executed
gtid_mode关闭 gtid_next自动 gtid_owned
gtid_purged have_compress是 have_crypt是 have_dynamic_loading是 have_geometry是 have_openssl是 have_profiling是 have_query_cache是 have_rtree_keys是 have_ssl是 have_symlink是 host_cache_size 128 主机名 * 身份0 ignore_builtin_innodb关闭 ignore_db_dirs
ignore_default_storage_engine_errors关闭 init_connect
init_file
init_slave
innodb_adaptive_flushing开启 innodb_adaptive_flushing_lwm 10 innodb_adaptive_hash_index关闭 innodb_adaptive_max_sleep_delay 150000 innodb_additional_mem_pool_size 8388608 innodb_api_bk_commit_interval 5 innodb_api_disable_rowlock关闭 innodb_api_enable_binlog关闭 innodb_api_enable_mdl关闭 innodb_api_trx_level 0 innodb_aurora_enable_auto_akp关闭 innodb_autoextend_increment 64 innodb_autoinc_lock_mode 1 innodb_buffer_pool_dump_at_shutdown关闭 innodb_buffer_pool_dump_now关闭 innodb_buffer_pool_filename ib_buffer_pool innodb_buffer_pool_instances 8 innodb_buffer_pool_load_abort关闭 innodb_buffer_pool_load_at_startup关闭 innodb_buffer_pool_load_now关闭 innodb_change_buffer_max_size 25 innodb_change_buffering无 innodb_checksum_algorithm无 innodb_checksums关闭 innodb_cmp_per_index_enabled关闭 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 ibdata1：12M：autoextend innodb_data_home_dir
innodb_disable_sort_file_cache关闭 innodb_doublewrite关闭 innodb_fast_shutdown 1 innodb_file_format羚羊 innodb_file_format_check开启 innodb_file_format_max羚羊 innodb_file_per_table开启 innodb_flush_log_at_timeout 1 innodb_flush_log_at_trx_commit 1 innodb_flush_method O_DIRECT innodb_flush_neighbors 1 innodb_flushing_avg_loops 30 innodb_force_load_corrupted关闭 innodb_force_recovery 0 innodb_ft_aux_table innodb_ft_cache_size 8000000 innodb_ft_enable_diag_print关闭 innodb_ft_enable_stopword开启 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 200 innodb_io_capacity_max 2000 innodb_large_prefix关闭 innodb_lock_wait_timeout 50 innodb_locks_unsafe_for_binlog关闭 innodb_log_buffer_size 8388608 innodb_log_file_size 50331648 innodb_log_files_in_group 2 innodb_log_group_home_dir ./ innodb_lru_scan_depth 1024 innodb_max_dirty_pages_pct 75 innodb_max_dirty_pages_pct_lwm 0 innodb_max_purge_lag 0 innodb_max_purge_lag_delay 0 innodb_mirrored_log_groups 1 innodb_monitor_disable
innodb_monitor_enable
innodb_monitor_reset
innodb_monitor_reset_all
innodb_old_blocks_pct 37 innodb_old_blocks_time 1000 innodb_online_alter_log_max_size 134217728 innodb_open_files 6000 innodb_optimize_fulltext_only关闭 innodb_page_size 16384 innodb_print_all_deadlocks关闭 innodb_purge_batch_size 900 innodb_purge_threads 3 innodb_random_read_ahead关闭 innodb_read_ahead_threshold 56 innodb_read_io_threads 16 innodb_read_only关闭 innodb_replication_delay 0 innodb_rollback_on_timeout关闭 innodb_rollback_segments 128 innodb_shared_buffer_pool_uses_huge_pages开启 innodb_sort_buffer_size 1048576 innodb_spin_wait_delay 6 innodb_stats_auto_recalc开 innodb_stats_method nulls_equal innodb_stats_on_metadata关闭 innodb_stats_persistent开启 innodb_stats_persistent_sample_pages 20 innodb_stats_sample_pages 8 innodb_stats_transient_sample_pages 8 innodb_strict_mode关闭 innodb_support_xa开启 innodb_sync_array_size 1 innodb_sync_spin_loops 30 innodb_table_locks开启 innodb_thread_concurrency 0 innodb_thread_sleep_delay 10000 innodb_undo_directory innodb_undo_logs 128 innodb_undo_tablespaces 0 innodb_use_native_aio关闭 innodb_use_sys_malloc开启 innodb_version 1.2.10 innodb_write_io_threads 4 insert_id 0 Interactive_timeout 28800 join_buffer_size 262144 keep_files_on_create关闭 key_buffer_size 16777216 key_cache_age_threshold 300 key_cache_block_size 1024 key_cache_division_limit 100 large_files_support开启 large_page_size 0 large_pages关闭 last_insert_id 0 lc_messages zh_CN lc_messages_dir * lc_time_names zh_CN 许可GPL local_infile开启 lock_wait_timeout 31536000 Locked_in_memory关闭 log_bin关闭 log_bin_basename
log_bin_index
log_bin_trust_function_creators关闭 log_bin_use_v1_row_events关闭 log_error /rdsdbdata/log/error/mysql-error.log log_output表 log_queries_not_using_indexes关闭 log_slave_updates开启 log_throttle_queries_not_using_indexes 0 log_warnings 1 long_query_time 10 low_priority_updates关闭 lower_case_file_system关闭 lower_case_table_names 0 master_info_repository表 master_verify_checksum关闭 max_allowed_pa​​cket 4194304 max_binlog_cache_size 1.84467E + 19 max_binlog_size 134217728 max_binlog_stmt_cache_size 1.84467E + 19 max_connect_errors 100 max_connections 3000 max_delayed_threads 20 max_digest_length 1024 max_error_count 64 max_heap_table_size 16777216 max_insert_delayed_threads 20 max_join_size 1.84467E + 19 max_length_for_sort_data 1024 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 min_examined_row_limit 0 multi_range_count 256 myisam_data_pointer_size 6 myisam_max_sort_file_size 9.22337E + 18 myisam_mmap_size 1.84467E + 19 myisam_recover_options关闭 myisam_repair_threads 1 myisam_sort_buffer_size 8388608 myisam_stats_method nulls_unequal myisam_use_mmap关闭 net_buffer_length 16384 net_read_timeout 30 net_retry_count 10 net_write_timeout 60 新OFF 老关 old_alter_table关闭 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 = lo，材料化，材料化= on，firstmatch = on，subquery_materialization_cost_based = on，use_index_extensions = on，hash_join = on，hash_join_cost_based = 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 performance_schema关闭 performance_schema__auto__开 performance_schema_accounts_size 100 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_waits_history_long_size 10000 performance_schema_events_waits_history_size 10 performance_schema_hosts_size 100 performance_schema_max_cond_classes 80 performance_schema_max_cond_instances 52160 performance_schema_max_digest_length 1024 performance_schema_max_file_classes 50 performance_schema_max_file_handles 32768 performance_schema_max_file_instances 92616 performance_schema_max_mutex_classes 200 performance_schema_max_mutex_instances 319090 performance_schema_max_rwlock_classes 40 performance_schema_max_rwlock_instances 126430 performance_schema_max_socket_classes 10 performance_schema_max_socket_instances 6050 performance_schema_max_stage_classes 150 performance_schema_max_statement_classes 177 performance_schema_max_table_handles 12000 performance_schema_max_table_instances 25000 performance_schema_max_thread_classes 50 performance_schema_max_thread_instances 6130 performance_schema_session_connect_attrs_size 512 performance_schema_setup_actors_size 100 performance_schema_setup_objects_size 100 performance_schema_users_size 100 pid_file /rdsdbdata/log/mysql-3306.pid plugin_dir * 端口3306 preload_buffer_size 32768 剖析 profiling_history_size 15 protocol_version 10 proxy_user
pseudo_slave_mode关闭 pseudo_thread_id 46502 query_alloc_block_size 8192 query_cache_limit 1048576 query_cache_min_res_unit 4096 query_cache_size 2459388928 query_cache_type开启 query_cache_wlock_invalidate关闭 query_prealloc_size 8192 rand_seed1 0 rand_seed2 0 range_alloc_block_size 4096 read_buffer_size 262144 只读OFF read_rnd_buffer_size 524288 relay_log / rdsdbdata / log / relaylog / relaylog relay_log_basename / rdsdbdata / log / relaylog / relaylog relay_log_index /rdsdbdata/log/relaylog/relaylog.index relay_log_info_file relay-log.info relay_log_info_repository表 relay_log_purge开 relay_log_recovery开启 relay_log_space_limit 1000000000 report_host report_password report_port 3306 report_user require_fk_checks_for_ddl关闭 rpl_stop_slave_timeout 31536000 secure_auth开启 secure_file_priv / tmp / server_audit_cw_upload关闭 server_audit_events server_audit_excl_users server_audit_incl_users server_audit_logging关闭 server_audit_mode 0 server_audit_query_log_limit 1024 server_id 1591983205 server_id_bits 32 server_uuid * sha256_password_private_key_path private_key.pem sha256_password_public_key_path public_key.pem skip_external_locking开启 skip_name_resolve开 skip_networking关闭 skip_show_database关闭 slave_allow_batching关闭 slave_checkpoint_group 512 slave_checkpoint_period 300 slave_compressed_protocol关闭 slave_exec_mode STRICT slave_load_tmpdir / rdsdbdata / tmp / slave_max_allowed_pa​​cket 1073741824 slave_net_timeout 3600 slave_parallel_workers 0 slave_pending_jobs_size_max 16777216 slave_rows_search_algorithms TABLE_SCAN，INDEX_SCAN slave_skip_errors关闭 slave_sql_verify_checksum开启 slave_transaction_retries 10 slave_type_conversions
slow_launch_time 2 slow_query_log关闭 slow_query_log_file * 套接字/tmp/mysql.sock sort_buffer_size 262144 sql_auto_is_null关闭 sql_big_selects开启 sql_buffer_result关闭 sql_log_bin开 sql_log_off关闭 sql_mode
sql_notes开启 sql_quote_show_create开启 sql_safe_updates关闭 sql_select_limit 1.84467E + 19 sql_slave_skip_counter 0 sql_warnings关闭 ssl_ca * ssl_capath
ssl_cert * ssl_cipher * ssl_crl ssl_crlpath ssl_key / * storage_engine InnoDB stored_program_cache 256 sync_binlog 1 sync_frm开启 sync_master_info 10000 sync_relay_log 10000 sync_relay_log_info 10000 system_time_zone UTC table_definition_cache 20000 table_open_cache 6000 table_open_cache_instances 16 thread_cache_size 58 thread_concurrency 10 thread_handling每个线程的多个连接 thread_stack 262144 time_format％H：％i：％s time_zone SYSTEM timed_mutexes关闭 时间戳1531841565 tmp_table_size 16777216 tmpdir / rdsdbdata / tmp / transaction_alloc_block_size 8192 transaction_allow_batching关闭 transaction_prealloc_size 4096 tx_isolation可重复读取 tx_read_only关闭 unique_checks开启 updatable_views_with_limit是 user_disable_external_log关闭 版本5.6.10 version_comment MySQL社区服务器（GPL） version_compile_machine x86_64 version_compile_os Linux wait_timeout 28800 warning_count 0