• mysql 系统变量


    show variables;
    
    
    ---------------------------------+--------------------------------------------------------+
    | Variable_name                   | Value                                                  |
    +---------------------------------+--------------------------------------------------------+
    | auto_increment_increment        | 1                                                      |
    | auto_increment_offset           | 1                                                      |
    | automatic_sp_privileges         | ON                                                     |
    | back_log                        | 50                                                     |
    | basedir                         | D:PZHCRec	obeBetterHTMLjavawebJSP_QWPMysqlAPP   |
    | bdb_cache_size                  | 8388600                                                |
    | bdb_home                        | D:PZHCRec	obeBetterHTMLjavawebJSP_QWPMysqlAPP   |
    | bdb_log_buffer_size             | 131072                                                 |
    | bdb_logdir                      |                                                        |
    | bdb_max_lock                    | 10000                                                  |
    | bdb_shared_data                 | OFF                                                    |
    | bdb_tmpdir                      | C:UsersAdministratorAppDataLocalTemp             |
    | binlog_cache_size               | 98304                                                  |
    | bulk_insert_buffer_size         | 8388608                                                |
    | character_set_client            | utf8                                                   |
    | character_set_connection        | utf8                                                   |
    | character_set_database          | utf8                                                   |
    | character_set_filesystem        | binary                                                 |
    | character_set_results           | utf8                                                   |
    | character_set_server            | utf8                                                   |
    | character_set_system            | utf8                                                   |
    | character_sets_dir              | D:PZHCRec	obeBetterHTMLjavawebJSP_QWPMysqlAPP   |
    | collation_connection            | utf8_general_ci                                        |
    | collation_database              | utf8_general_ci                                        |
    | collation_server                | utf8_general_ci                                        |
    | completion_type                 | 0                                                      |
    | concurrent_insert               | 1                                                      |
    | connect_timeout                 | 5                                                      |
    | datadir                         | D:PZHCRec	obeBetterHTMLjavawebJSP_QWPMysqlAPP   |
    | date_format                     | %Y-%m-%d                                               |
    | datetime_format                 | %Y-%m-%d %H:%i:%s                                      |
    | default_week_format             | 0                                                      |
    | delay_key_write                 | ON                                                     |
    | delayed_insert_limit            | 100                                                    |
    | delayed_insert_timeout          | 300                                                    |
    | delayed_queue_size              | 1000                                                   |
    | div_precision_increment         | 4                                                      |
    | engine_condition_pushdown       | OFF                                                    |
    | expire_logs_days                | 0                                                      |
    | flush                           | OFF                                                    |
    | flush_time                      | 1800                                                   |
    | ft_boolean_syntax               | + -><()~*:""&|                                         |
    | ft_max_word_len                 | 84                                                     |
    | ft_min_word_len                 | 4                                                      |
    | ft_query_expansion_limit        | 20                                                     |
    | ft_stopword_file                | (built-in)                                             |
    | group_concat_max_len            | 1024                                                   |
    | have_archive                    | YES                                                    |
    | have_bdb                        | YES                                                    |
    | have_blackhole_engine           | YES                                                    |
    | have_compress                   | YES                                                    |
    | have_crypt                      | NO                                                     |
    | have_csv                        | NO                                                     |
    | have_example_engine             | YES                                                    |
    | have_federated_engine           | YES                                                    |
    | have_geometry                   | YES                                                    |
    | have_innodb                     | YES                                                    |
    | have_isam                       | NO                                                     |
    | have_ndbcluster                 | NO                                                     |
    | have_openssl                    | DISABLED                                               |
    | have_query_cache                | YES                                                    |
    | have_raid                       | NO                                                     |
    | have_rtree_keys                 | YES                                                    |
    | have_symlink                    | YES                                                    |
    | init_connect                    |                                                        |
    | init_file                       |                                                        |
    | init_slave                      |                                                        |
    | innodb_additional_mem_pool_size | 524288                                                 |
    | innodb_autoextend_increment     | 8                                                      |
    | innodb_buffer_pool_awe_mem_mb   | 0                                                      |
    | innodb_buffer_pool_size         | 9437184                                                |
    | innodb_checksums                | ON                                                     |
    | innodb_commit_concurrency       | 0                                                      |
    | innodb_concurrency_tickets      | 500                                                    |
    | innodb_data_file_path           | ibdata1:10M:autoextend                                 |
    | innodb_data_home_dir            | D:PZHCRec	obeBetterHTMLjavawebJSP_QWPMysqlAPP   |
    | innodb_doublewrite              | ON                                                     |
    | innodb_fast_shutdown            | 1                                                      |
    | innodb_file_io_threads          | 4                                                      |
    | innodb_file_per_table           | OFF                                                    |
    | innodb_flush_log_at_trx_commit  | 0                                                      |
    | innodb_flush_method             |                                                        |
    | innodb_force_recovery           | 0                                                      |
    | innodb_lock_wait_timeout        | 50                                                     |
    | innodb_locks_unsafe_for_binlog  | OFF                                                    |
    | innodb_log_arch_dir             | D:PZHCRec	obeBetterHTMLjavawebJSP_QWPMysqlAPP   |
    | innodb_log_archive              | OFF                                                    |
    | innodb_log_buffer_size          | 1048576                                                |
    | innodb_log_file_size            | 5242880                                                |
    | innodb_log_files_in_group       | 2                                                      |
    | innodb_log_group_home_dir       | D:PZHCRec	obeBetterHTMLjavawebJSP_QWPMysqlAPP   |
    | innodb_max_dirty_pages_pct      | 90                                                     |
    | innodb_max_purge_lag            | 0                                                      |
    | innodb_mirrored_log_groups      | 1                                                      |
    | innodb_open_files               | 300                                                    |
    | innodb_support_xa               | ON                                                     |
    | innodb_sync_spin_loops          | 20                                                     |
    | innodb_table_locks              | ON                                                     |
    | innodb_thread_concurrency       | 8                                                      |
    | innodb_thread_sleep_delay       | 10000                                                  |
    | interactive_timeout             | 28800                                                  |
    | join_buffer_size                | 131072                                                 |
    | key_buffer_size                 | 268435456                                              |
    | key_cache_age_threshold         | 300                                                    |
    | key_cache_block_size            | 1024                                                   |
    | key_cache_division_limit        | 100                                                    |
    | language                        | D:PZHCRec	obeBetterHTMLjavawebJSP_QWPMysqlAPP   |
    | large_files_support             | ON                                                     |
    | large_page_size                 | 0                                                      |
    | large_pages                     | OFF                                                    |
    | license                         | GPL                                                    |
    | local_infile                    | ON                                                     |
    | log                             | OFF                                                    |
    | log_bin                         | ON                                                     |
    | log_bin_trust_function_creators | OFF                                                    |
    | log_error                       | .MyJoy.err                                            |
    | log_slave_updates               | OFF                                                    |
    | log_slow_queries                | OFF                                                    |
    | log_warnings                    | 1                                                      |
    | long_query_time                 | 10                                                     |
    | low_priority_updates            | OFF                                                    |
    | lower_case_file_system          | OFF                                                    |
    | lower_case_table_names          | 1                                                      |
    | max_allowed_packet              | 1999872                                                |
    | max_binlog_cache_size           | 4294967295                                             |
    | max_binlog_size                 | 1073741824                                             |
    | max_connect_errors              | 10                                                     |
    | max_connections                 | 100                                                    |
    | max_delayed_threads             | 20                                                     |
    | max_error_count                 | 64                                                     |
    | max_heap_table_size             | 16777216                                               |
    | max_insert_delayed_threads      | 20                                                     |
    | max_join_size                   | 4294967295                                             |
    | max_length_for_sort_data        | 1024                                                   |
    | max_prepared_stmt_count         | 16382                                                  |
    | max_relay_log_size              | 0                                                      |
    | max_seeks_for_key               | 4294967295                                             |
    | max_sort_length                 | 1024                                                   |
    | max_sp_recursion_depth          | 0                                                      |
    | max_tmp_tables                  | 32                                                     |
    | max_user_connections            | 0                                                      |
    | max_write_lock_count            | 4294967295                                             |
    | multi_range_count               | 256                                                    |
    | myisam_data_pointer_size        | 6                                                      |
    | myisam_max_sort_file_size       | 2147483647                                             |
    | myisam_recover_options          | OFF                                                    |
    | myisam_repair_threads           | 1                                                      |
    | myisam_sort_buffer_size         | 67108864                                               |
    | myisam_stats_method             | nulls_unequal                                          |
    | named_pipe                      | OFF                                                    |
    | net_buffer_length               | 16384                                                  |
    | net_read_timeout                | 30                                                     |
    | net_retry_count                 | 10                                                     |
    | net_write_timeout               | 60                                                     |
    | new                             | OFF                                                    |
    | old_passwords                   | OFF                                                    |
    | open_files_limit                | 622                                                    |
    | optimizer_prune_level           | 1                                                      |
    | optimizer_search_depth          | 62                                                     |
    | pid_file                        | D:PZHCRec	obeBetterHTMLjavawebJSP_QWPMysqlAPP   |
    | prepared_stmt_count             | 0                                                      |
    | port                            | 3306                                                   |
    | preload_buffer_size             | 32768                                                  |
    | protocol_version                | 10                                                     |
    | query_alloc_block_size          | 8192                                                   |
    | query_cache_limit               | 1048576                                                |
    | query_cache_min_res_unit        | 4096                                                   |
    | query_cache_size                | 16777216                                               |
    | query_cache_type                | ON                                                     |
    | query_cache_wlock_invalidate    | OFF                                                    |
    | query_prealloc_size             | 8192                                                   |
    | range_alloc_block_size          | 2048                                                   |
    | read_buffer_size                | 98304                                                  |
    | read_only                       | OFF                                                    |
    | read_rnd_buffer_size            | 4190208                                                |
    | relay_log_purge                 | ON                                                     |
    | relay_log_space_limit           | 0                                                      |
    | rpl_recovery_rank               | 0                                                      |
    | secure_auth                     | OFF                                                    |
    | shared_memory                   | OFF                                                    |
    | shared_memory_base_name         | MYSQL                                                  |
    | server_id                       | 1                                                      |
    | skip_external_locking           | ON                                                     |
    | skip_networking                 | OFF                                                    |
    | skip_show_database              | OFF                                                    |
    | slave_compressed_protocol       | OFF                                                    |
    | slave_load_tmpdir               | C:UsersAdministratorAppDataLocalTemp             |
    | slave_net_timeout               | 3600                                                   |
    | slave_skip_errors               | OFF                                                    |
    | slave_transaction_retries       | 10                                                     |
    | slow_launch_time                | 2                                                      |
    | sort_buffer_size                | 999992                                                 |
    | sql_mode                        |                                                        |
    | sql_notes                       | ON                                                     |
    | sql_warnings                    | ON                                                     |
    | storage_engine                  | MyISAM                                                 |
    | sync_binlog                     | 0                                                      |
    | sync_frm                        | ON                                                     |
    | system_time_zone                |                                                        |
    | table_cache                     | 256                                                    |
    | table_lock_wait_timeout         | 50                                                     |
    | table_type                      | MyISAM                                                 |
    | thread_cache_size               | 8                                                      |
    | thread_stack                    | 196608                                                 |
    | time_format                     | %H:%i:%s                                               |
    | time_zone                       | SYSTEM                                                 |
    | timed_mutexes                   | OFF                                                    |
    | tmp_table_size                  | 33554432                                               |
    | tmpdir                          |                                                        |
    | transaction_alloc_block_size    | 8192                                                   |
    | transaction_prealloc_size       | 4096                                                   |
    | tx_isolation                    | REPEATABLE-READ                                        |
    | updatable_views_with_limit      | YES                                                    |
    | version                         | 5.0.22-community-max-nt-log                            |
    | version_bdb                     | Sleepycat Software: Berkeley DB 4.1.24: (May 25, 2006) |
    | version_comment                 | MySQL Community Edition - Max (GPL)                    |
    | version_compile_machine         | ia32                                                   |
    | version_compile_os              | Win32                                                  |
    | wait_timeout                    | 28800                                                  |
    +---------------------------------+--------------------------------------------------------+
    
    
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  • 原文地址:https://www.cnblogs.com/humi/p/8604367.html
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