开启InnoDB每表一个独立的表空间
- mysql> show variables like '%innodb%';
- +---------------------------------+------------------------+
- | Variable_name | Value |
- +---------------------------------+------------------------+
- | have_innodb | YES |
- | ignore_builtin_innodb | OFF |
- | innodb_adaptive_flushing | ON |
- | innodb_adaptive_hash_index | ON |
- | innodb_additional_mem_pool_size | 8388608 |
- | innodb_autoextend_increment | 8 |
- | innodb_autoinc_lock_mode | 1 |
- | innodb_buffer_pool_instances | 1 |
- | innodb_buffer_pool_size | 134217728 |
- | innodb_change_buffering | all |
- | innodb_checksums | ON |
- | innodb_commit_concurrency | 0 |
- | innodb_concurrency_tickets | 500 |
- | innodb_data_file_path | ibdata1:10M:autoextend |
- | innodb_data_home_dir | |
- | innodb_doublewrite | ON |
- | innodb_fast_shutdown | 1 |
- | innodb_file_format | Antelope |
- | innodb_file_format_check | ON |
- | innodb_file_format_max | Antelope |
- | innodb_file_per_table | OFF |＃每表一个独立表空间文件（默认）
- | innodb_flush_log_at_trx_commit | 1 |
- | innodb_flush_method | |
- | innodb_force_load_corrupted | OFF |
- | innodb_force_recovery | 0 |
- | innodb_io_capacity | 200 |
- | innodb_large_prefix | OFF |
- | innodb_lock_wait_timeout | 50 |
- | innodb_locks_unsafe_for_binlog | OFF |
- | innodb_log_buffer_size | 8388608 |
- | innodb_log_file_size | 5242880 |
- | innodb_log_files_in_group | 2 |
- | innodb_log_group_home_dir | ./ |
- | innodb_max_dirty_pages_pct | 75 |
- | innodb_max_purge_lag | 0 |
- | innodb_mirrored_log_groups | 1 |
- | innodb_old_blocks_pct | 37 |
- | innodb_old_blocks_time | 0 |
- | innodb_open_files | 300 |
- | innodb_print_all_deadlocks | OFF |
- | innodb_purge_batch_size | 20 |
- | innodb_purge_threads | 0 |
- | innodb_random_read_ahead | OFF |
- | innodb_read_ahead_threshold | 56 |
- | innodb_read_io_threads | 4 |
- | innodb_replication_delay | 0 |
- | innodb_rollback_on_timeout | OFF |
- | innodb_rollback_segments | 128 |
- | innodb_spin_wait_delay | 6 |
- | innodb_stats_method | nulls_equal |
- | innodb_stats_on_metadata | ON |
- | innodb_stats_sample_pages | 8 |
- | innodb_strict_mode | OFF |
- | innodb_support_xa | ON |
- | innodb_sync_spin_loops | 30 |
- | innodb_table_locks | ON |
- | innodb_thread_concurrency | 0 |
- | innodb_thread_sleep_delay | 10000 |
- | innodb_use_native_aio | ON |
- | innodb_use_sys_malloc | ON |
- | innodb_version | 5.5.40 |
- | innodb_write_io_threads | 4 |
- +---------------------------------+------------------------+
- 62 rows in set (0.00 sec)
编辑/etc/my.cnf(使它永久生效)
- [root@v01-svn-test-server backup]# egrep "\[mysqld\]|innodb_file_per_table" /etc/my.cnf
- [mysqld]
- innodb_file_per_table = 1 #或innodb_file_per_table = on
- ＃必需在mysqld下
＃重启数据库
- mysql> show variables like "%innodb%";
- +---------------------------------+------------------------+
- | Variable_name | Value |
- +---------------------------------+------------------------+
- | have_innodb | YES |
- | ignore_builtin_innodb | OFF |
- | innodb_adaptive_flushing | ON |
- | innodb_adaptive_hash_index | ON |
- | innodb_additional_mem_pool_size | 8388608 |
- | innodb_autoextend_increment | 8 |
- | innodb_autoinc_lock_mode | 1 |
- | innodb_buffer_pool_instances | 1 |
- | innodb_buffer_pool_size | 134217728 |
- | innodb_change_buffering | all |
- | innodb_checksums | ON |
- | innodb_commit_concurrency | 0 |
- | innodb_concurrency_tickets | 500 |
- | innodb_data_file_path | ibdata1:10M:autoextend |
- | innodb_data_home_dir | |
- | innodb_doublewrite | ON |
- | innodb_fast_shutdown | 1 |
- | innodb_file_format | Antelope |
- | innodb_file_format_check | ON |
- | innodb_file_format_max | Antelope |
- | innodb_file_per_table | ON |＃开启InnoDB每表一个表空间文件
- | innodb_flush_log_at_trx_commit | 1 |
- | innodb_flush_method | |
- | innodb_force_load_corrupted | OFF |
- | innodb_force_recovery | 0 |
- | innodb_io_capacity | 200 |
- | innodb_large_prefix | OFF |
- | innodb_lock_wait_timeout | 50 |
- | innodb_locks_unsafe_for_binlog | OFF |
- | innodb_log_buffer_size | 8388608 |
- | innodb_log_file_size | 5242880 |
- | innodb_log_files_in_group | 2 |
- | innodb_log_group_home_dir | ./ |
- | innodb_max_dirty_pages_pct | 75 |
- | innodb_max_purge_lag | 0 |
- | innodb_mirrored_log_groups | 1 |
- | innodb_old_blocks_pct | 37 |
- | innodb_old_blocks_time | 0 |
- | innodb_open_files | 300 |
- | innodb_print_all_deadlocks | OFF |
- | innodb_purge_batch_size | 20 |
- | innodb_purge_threads | 0 |
- | innodb_random_read_ahead | OFF |
- | innodb_read_ahead_threshold | 56 |
- | innodb_read_io_threads | 4 |
- | innodb_replication_delay | 0 |
- | innodb_rollback_on_timeout | OFF |
- | innodb_rollback_segments | 128 |
- | innodb_spin_wait_delay | 6 |
- | innodb_stats_method | nulls_equal |
- | innodb_stats_on_metadata | ON |
- | innodb_stats_sample_pages | 8 |
- | innodb_strict_mode | OFF |
- | innodb_support_xa | ON |
- | innodb_sync_spin_loops | 30 |
- | innodb_table_locks | ON |
- | innodb_thread_concurrency | 0 |
- | innodb_thread_sleep_delay | 10000 |
- | innodb_use_native_aio | ON |
- | innodb_use_sys_malloc | ON |
- | innodb_version | 5.5.40 |
- | innodb_write_io_threads | 4 |
- +---------------------------------+------------------------+
- 62 rows in set (0.00 sec)
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