23天学完mysql系统变量（九）
字母I开头的，基本都是关于InnoDB的，有点多（64个），慢慢来。
1.ignore_builtin_innodb
2.init_connect
3.init_file
4.init_slave
5.innodb_adaptive_flushing
6.innodb_adaptive_hash_index
7.innodb_additional_mem_pool_size
8.innodb_autoextend_increment
9.innodb_autoinc_lock_mode
10.innodb_buffer_pool_instances
11.innodb_buffer_pool_size
12.innodb_change_buffering
13.innodb_checksums
14.innodb_commit_concurrency
15.innodb_concurrency_tickets
16.innodb_data_file_path
17.innodb_data_home_dir
18.innodb_doublewrite
19.innodb_fast_shutdown
20.innodb_file_format
21.innodb_file_format_check
22.innodb_file_format_max
23.innodb_file_per_table
24.innodb_flush_log_at_trx_commit
25.innodb_flush_method
26.innodb_force_load_corrupted
27.innodb_force_recovery
28.innodb_io_capacity
29.innodb_large_prefix
30.innodb_lock_wait_timeout
31.innodb_locks_unsafe_for_binlog
32.innodb_log_buffer_size
33.innodb_log_file_size
34.innodb_log_files_in_group
35.innodb_log_group_home_dir
36.innodb_max_dirty_pages_pct
37.innodb_max_purge_lag
38.innodb_mirrored_log_groups
39.innodb_old_blocks_pct
40.innodb_old_blocks_time
41.innodb_open_files
42.innodb_purge_batch_size
43.innodb_purge_threads
44.innodb_random_read_ahead
45.innodb_read_ahead_threshold
46.innodb_read_io_threads
47.innodb_replication_delay
48.innodb_rollback_on_timeout
49.innodb_rollback_segments
50.innodb_spin_wait_delay
51.innodb_stats_method
52.innodb_stats_on_metadata
53.innodb_stats_sample_pages
54.innodb_strict_mode
55.innodb_support_xa
56.innodb_sync_spin_loops
57.innodb_table_locks
58.innodb_thread_concurrency
59.innodb_thread_sleep_delay
60.innodb_use_native_aio
61.innodb_use_sys_malloc
62.innodb_version
63.innodb_write_io_threads
64.interactive_timeout