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存储引擎
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
InnoDB 是该 MySQL 服务器的默认存储引擎。
| innodb_adaptive_flushing | ON | |
|---|---|---|
| innodb_adaptive_flushing_lwm | 10.000000 | |
| innodb_adaptive_hash_index | ON | |
| innodb_adaptive_hash_index_parts | 8 | |
| innodb_adaptive_max_sleep_delay | 150000 | |
|
数据表空间不足时自动增加的大小。
|
自动增加 | 64 |
| innodb_autoinc_lock_mode | 1 | |
| innodb_background_scrub_data_check_interval | 3600 | |
| innodb_background_scrub_data_compressed | OFF | |
| innodb_background_scrub_data_interval | 604800 | |
| innodb_background_scrub_data_uncompressed | OFF | |
| innodb_buf_dump_status_frequency | 0 | |
| innodb_buffer_pool_chunk_size | 16777216 | |
| 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 | 1 | |
| innodb_buffer_pool_load_abort | OFF | |
| innodb_buffer_pool_load_at_startup | ON | |
| innodb_buffer_pool_load_now | OFF | |
|
InnoDB 用于缓存数据和索引要使用的内存缓冲大小。
|
缓冲池大小 | 16,384 KB |
| 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_algorithm | zlib | |
| innodb_compression_default | OFF | |
| innodb_compression_failure_threshold_pct | 5 | |
| innodb_compression_level | 6 | |
| innodb_compression_pad_pct_max | 50 | |
| innodb_concurrency_tickets | 5 k | |
| 数据文件 | ibdata1:10M:autoextend | |
|
所有 InnoDB 数据文件的公共路径.
|
数据主文件夹 | D:/xampp/mysql/data |
| innodb_deadlock_detect | ON | |
| innodb_default_encryption_key_id | 1 | |
| innodb_default_row_format | dynamic | |
| innodb_defragment | OFF | |
| innodb_defragment_fill_factor | 0.900000 | |
| innodb_defragment_fill_factor_n_recs | 20 | |
| innodb_defragment_frequency | 40 | |
| innodb_defragment_n_pages | 7 | |
| innodb_defragment_stats_accuracy | 0 | |
| innodb_disable_sort_file_cache | OFF | |
| innodb_doublewrite | ON | |
| innodb_encrypt_log | OFF | |
| innodb_encrypt_tables | OFF | |
| innodb_encrypt_temporary_tables | OFF | |
| innodb_encryption_rotate_key_age | 1 | |
| innodb_encryption_rotation_iops | 100 | |
| innodb_encryption_threads | 0 | |
| innodb_fast_shutdown | 1 | |
| innodb_fatal_semaphore_wait_threshold | 600 | |
| innodb_file_format | ||
| innodb_file_per_table | ON | |
| innodb_fill_factor | 100 | |
| innodb_flush_log_at_timeout | 1 | |
| innodb_flush_log_at_trx_commit | 1 | |
| innodb_flush_method | unbuffered | |
| innodb_flush_neighbors | 1 | |
| innodb_flush_sync | ON | |
| innodb_flushing_avg_loops | 30 | |
| innodb_force_load_corrupted | OFF | |
| innodb_force_primary_key | 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_idle_flush_pct | 100 | |
| innodb_immediate_scrub_data_uncompressed | OFF | |
| innodb_instant_alter_column_allowed | add_drop_reorder | |
| innodb_io_capacity | 200 | |
| innodb_io_capacity_max | 2000 | |
| innodb_large_prefix | ||
| innodb_lock_schedule_algorithm | fcfs | |
| innodb_lock_wait_timeout | 50 | |
| innodb_locks_unsafe_for_binlog | OFF | |
| innodb_log_buffer_size | 8,192 KB | |
| innodb_log_checksums | ON | |
| innodb_log_compressed_pages | ON | |
| innodb_log_file_size | 5,120 KB | |
| innodb_log_files_in_group | 2 | |
| innodb_log_group_home_dir | D:\xampp\mysql\data | |
| innodb_log_optimize_ddl | OFF | |
| innodb_log_write_ahead_size | 8192 | |
| innodb_lru_scan_depth | 1024 | |
| innodb_max_dirty_pages_pct | 75 | |
| innodb_max_dirty_pages_pct_lwm | 0.000000 | |
| innodb_max_purge_lag | 0 | |
| innodb_max_purge_lag_delay | 0 | |
| innodb_max_purge_lag_wait | 4294967295 | |
| innodb_max_undo_log_size | 10485760 | |
| 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 | 2 k | |
| innodb_optimize_fulltext_only | OFF | |
| innodb_page_cleaners | 1 | |
| innodb_page_size | 16384 | |
| innodb_prefix_index_cluster_optimization | OFF | |
| innodb_print_all_deadlocks | OFF | |
| 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 | 4 | |
| innodb_read_only | OFF | |
| innodb_replication_delay | 0 | |
| innodb_rollback_on_timeout | OFF | |
| innodb_rollback_segments | 128 | |
| innodb_scrub_log | OFF | |
| innodb_scrub_log_speed | 256 | |
| innodb_sort_buffer_size | 1048576 | |
| innodb_spin_wait_delay | 4 | |
| innodb_stats_auto_recalc | ON | |
| innodb_stats_include_delete_marked | OFF | |
| innodb_stats_method | nulls_equal | |
| innodb_stats_modified_counter | 0 | |
| innodb_stats_on_metadata | OFF | |
| innodb_stats_persistent | ON | |
| innodb_stats_persistent_sample_pages | 20 | |
| innodb_stats_sample_pages | 8 | |
| innodb_stats_traditional | ON | |
| innodb_stats_transient_sample_pages | 8 | |
| innodb_status_output | OFF | |
| innodb_status_output_locks | OFF | |
| innodb_strict_mode | ON | |
| innodb_sync_array_size | 1 | |
| innodb_sync_spin_loops | 30 | |
| innodb_table_locks | ON | |
| innodb_temp_data_file_path | ibtmp1:12M:autoextend | |
| innodb_thread_concurrency | 0 | |
| innodb_thread_sleep_delay | 10 k | |
| innodb_tmpdir | ||
| innodb_undo_directory | .\ | |
| innodb_undo_log_truncate | OFF | |
| innodb_undo_logs | 128 | |
| innodb_undo_tablespaces | 0 | |
| innodb_use_atomic_writes | ON | |
| innodb_use_native_aio | ON | |
| innodb_version | 10.4.20 | |
| innodb_write_io_threads | 4 |