Storage engines

InnoDB

Percona-XtraDB, Supports transactions, row-level locking, and foreign keys

[ Variables | Buffer Pool | InnoDB Status ]

InnoDB is the default storage engine on this MySQL server.

	innodb_adaptive_flushing	ON
	innodb_adaptive_flushing_lwm	10.000000
	innodb_adaptive_hash_index	ON
	innodb_adaptive_hash_index_partitions	1
	innodb_adaptive_max_sleep_delay	150000
	innodb_additional_mem_pool_size	8,192 KiB
	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
The increment size for extending the size of an autoextending tablespace when it becomes full.	Autoextend increment	64
	innodb_autoinc_lock_mode	2
	innodb_buffer_pool_dump_at_shutdown	OFF
	innodb_buffer_pool_dump_now	OFF
	innodb_buffer_pool_dump_pct	100
	innodb_buffer_pool_filename	ib_buffer_pool
	innodb_buffer_pool_instances	4
	innodb_buffer_pool_load_abort	OFF
	innodb_buffer_pool_load_at_startup	OFF
	innodb_buffer_pool_load_now	OFF
	innodb_buffer_pool_populate	OFF
The size of the memory buffer InnoDB uses to cache data and indexes of its tables.	Buffer pool size	5,120 MiB
	innodb_change_buffer_max_size	25
	innodb_change_buffering	all
	innodb_checksum_algorithm	innodb
	innodb_checksums	ON
	innodb_cleaner_lsn_age_factor	high_checkpoint
	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	5 k
	innodb_corrupt_table_action	assert
	Data files	ibdata1:12M:autoextend
The common part of the directory path for all InnoDB data files.	Data home directory
	innodb_disable_sort_file_cache	OFF
	innodb_doublewrite	ON
	innodb_empty_free_list_algorithm	backoff
	innodb_fake_changes	OFF
	innodb_fast_shutdown	1
	innodb_file_format	Antelope
	innodb_file_format_check	ON
	innodb_file_format_max	Antelope
	innodb_file_per_table	ON
	innodb_flush_log_at_timeout	1
	innodb_flush_log_at_trx_commit	2
	innodb_flush_method	O_DIRECT
	innodb_flush_neighbors	1
	innodb_flushing_avg_loops	30
	innodb_force_load_corrupted	OFF
	innodb_force_recovery	0
	innodb_foreground_preflush	exponential_backoff
	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	200
	innodb_io_capacity_max	2000
	innodb_kill_idle_transaction	0
	innodb_large_prefix	OFF
	innodb_lock_wait_timeout	120
	innodb_locking_fake_changes	ON
	innodb_locks_unsafe_for_binlog	OFF
	innodb_log_arch_dir	.\
	innodb_log_arch_expire_sec	0
	innodb_log_archive	OFF
	innodb_log_block_size	512
	innodb_log_buffer_size	65,536 KiB
	innodb_log_checksum_algorithm	innodb
	innodb_log_compressed_pages	ON
	innodb_log_file_size	524 k KiB
	innodb_log_files_in_group	2
	innodb_log_group_home_dir	.\
	innodb_lru_scan_depth	1024
	innodb_max_bitmap_file_size	104857600
	innodb_max_changed_pages	1000000
	innodb_max_dirty_pages_pct	75
	innodb_max_dirty_pages_pct_lwm	0.001000
	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	2 k
	innodb_optimize_fulltext_only	OFF
	innodb_page_size	16384
	innodb_print_all_deadlocks	OFF
	innodb_print_lock_wait_timeout_info	OFF
	innodb_purge_batch_size	300
	innodb_purge_threads	1
	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	OFF
	innodb_rollback_segments	128
	innodb_show_locks_held	10
	innodb_show_verbose_locks	0
	innodb_simulate_comp_failures	0
	innodb_sort_buffer_size	1048576
	innodb_spin_wait_delay	6
	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	OFF
	innodb_support_xa	ON
	innodb_sync_array_size	1
	innodb_sync_spin_loops	30
	innodb_table_locks	ON
	innodb_thread_concurrency	0
	innodb_thread_sleep_delay	10 k
	innodb_tmpdir
	innodb_track_changed_pages	OFF
	innodb_undo_directory	.
	innodb_undo_logs	128
	innodb_undo_tablespaces	0
	innodb_use_atomic_writes	OFF
	innodb_use_fallocate	OFF
	innodb_use_global_flush_log_at_trx_commit	ON
	innodb_use_native_aio	ON
	innodb_use_stacktrace	OFF
	innodb_use_sys_malloc	ON
	innodb_version	5.6.42-84.2
	innodb_write_io_threads	8