MySQL消耗大量内存

时间:2015-09-02 07:47:26

标签: mysql mysqladmin

MySql消耗了超过80%的内存。我不是mysql专家,请让我知道任何配置都有错误的值。

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mysql> SHOW VARIABLES;

这些是我的配置

| Variable_name                                     | Value                     |
+---------------------------------------------------+---------------------------+
| auto_increment_increment                          | 1                         |
| auto_increment_offset                             | 1                         |
| autocommit                                        | ON                        |
| automatic_sp_privileges                           | ON                        |
| back_log                                          | 50                        |
| basedir                                           | /usr                      |
| big_tables                                        | OFF                       |
| binlog_cache_size                                 | 32768                     |
| binlog_direct_non_transactional_updates           | OFF                       |
| binlog_format                                     | STATEMENT                 |
| binlog_stmt_cache_size                            | 32768                     |
| 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                                | /usr/share/mysql/charsets/|
| collation_connection                              | utf8_general_ci           |
| collation_database                                | utf8_general_ci           |
| collation_server                                  | utf8_general_ci           |
| completion_type                                   | NO_CHAIN                  |
| concurrent_insert                                 | AUTO                      |
| connect_timeout                                   | 10                        |
| datadir                                           | /var/lib/mysql/           |
| date_format                                       | %Y-%m-%d                  |
| datetime_format                                   | %Y-%m-%d %H:%i:%s         |
| default_storage_engine                            | InnoDB                    |
| 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                         | ON                        |
| error_count                                       | 0                         |
| event_scheduler                                   | OFF                       |
| expire_logs_days                                  | 3                         |
| external_user                                     |                           |
| flush                                             | OFF                       |
| flush_time                                        | 0                         |
| foreign_key_checks                                | ON                        |
| ft_boolean_syntax                                 | + -><()~*:""&|            |
| ft_max_word_len                                   | 84                        |
| ft_min_word_len                                   | 4                         |
| ft_query_expansion_limit                          | 20                        |
| ft_stopword_file                                  | (built-in)                |
| general_log                                       | OFF                       |
| general_log_file                                  | /var/lib/mysql/db.log     |
| group_concat_max_len                              | 1024                      |
| have_compress                                     | YES                       |
| have_crypt                                        | YES                       |
| have_csv                                          | YES                       |
| have_dynamic_loading                              | YES                       |
| have_geometry                                     | YES                       |
| have_innodb                                       | YES                       |
| have_ndbcluster                                   | NO                        |
| have_openssl                                      | DISABLED                  |
| have_partitioning                                 | YES                       |
| have_profiling                                    | YES                       |
| have_query_cache                                  | YES                       |
| have_rtree_keys                                   | YES                       |
| have_ssl                                          | DISABLED                  |
| have_symlink                                      | DISABLED                  |
| hostname                                          | xxx.xxx.xxxxxx            |
| identity                                          | 0                         |
| ignore_builtin_innodb                             | OFF                       |
| init_connect                                      |                           |
| init_file                                         |                           |
| init_slave                                        |                           |
| innodb_adaptive_flushing                          | ON                        |
| innodb_adaptive_hash_index                        | ON                        |
| innodb_additional_mem_pool_size                   | 20971520                  |
| innodb_autoextend_increment                       | 8                         |
| innodb_autoinc_lock_mode                          | 1                         |
| innodb_buffer_pool_instances                      | 1                         |
| innodb_buffer_pool_size                           | 11811160064               |
| 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                        |
| innodb_flush_log_at_trx_commit                    | 2                         |
| innodb_flush_method                               | O_DIRECT                  |
| innodb_force_load_corrupted                       | OFF                       |
| innodb_force_recovery                             | 0                         |
| innodb_io_capacity                                | 20000                     |
| innodb_large_prefix                               | OFF                       |
| innodb_lock_wait_timeout                          | 50                        |
| innodb_locks_unsafe_for_binlog                    | OFF                       |
| innodb_log_buffer_size                            | 8388608                   |
| innodb_log_file_size                              | 2146435072                |
| 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                            | 64                        |
| 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                                    | 5.5.30                    |
| innodb_write_io_threads                           | 64                        |
| insert_id                                         | 0                         |
| interactive_timeout                               | 28800                     |
| join_buffer_size                                  | 131072                    |
| keep_files_on_create                              | OFF                       |
| key_buffer_size                                   | 1073741824                |
| key_cache_age_threshold                           | 300                       |
| key_cache_block_size                              | 1024                      |
| key_cache_division_limit                          | 100                       |
| large_files_support                               | ON                        |
| large_page_size                                   | 0                         |
| large_pages                                       | OFF                       |
| last_insert_id                                    | 0                         |
| lc_messages                                       | en_US                     |
| lc_messages_dir                                   | /usr/share/mysql/         |
| lc_time_names                                     | en_US                     |
| license                                           | GPL                       |
| local_infile                                      | ON                        |
| lock_wait_timeout                                 | 31536000                  |
| locked_in_memory                                  | OFF                       |
| log                                               | OFF                       |
| log_bin                                           | ON                        |
| log_bin_trust_function_creators                   | OFF                       |
| log_error                                         | /var/log/mysqld.log       |
| log_output                                        | FILE                      |
| log_queries_not_using_indexes                     | OFF                       |
| log_slave_updates                                 | OFF                       |
| log_slow_queries                                  | ON                        |
| log_warnings                                      | 1                         |
| long_query_time                                   | 1.000000                  |
| low_priority_updates                              | OFF                       |
| lower_case_file_system                            | OFF                       |
| lower_case_table_names                            | 0                         |
| max_allowed_packet                                | 67108864                  |
| max_binlog_cache_size                             | 18446744073709547520      |
| max_binlog_size                                   | 1073741824                |
| max_binlog_stmt_cache_size                        | 18446744073709547520      |
| max_connect_errors                                | 10000                     |
| max_connections                                   | 300                       |
| max_delayed_threads                               | 20                        |
| max_error_count                                   | 64                        |
| max_heap_table_size                               | 16777216                  |
| max_insert_delayed_threads                        | 20                        |
| max_join_size                                     | 18446744073709551615      |
| max_length_for_sort_data                          | 1024                      |
| max_long_data_size                                | 67108864                  |
| max_prepared_stmt_count                           | 16382                     |
| max_relay_log_size                                | 0                         |
| max_seeks_for_key                                 | 18446744073709551615      |
| max_sort_length                                   | 1024                      |
| max_sp_recursion_depth                            | 0                         |
| max_tmp_tables                                    | 32                        |
| max_user_connections                              | 0                         |
| max_write_lock_count                              | 18446744073709551615      |
| metadata_locks_cache_size                         | 1024                      |
| min_examined_row_limit                            | 0                         |
| multi_range_count                                 | 256                       |
| myisam_data_pointer_size                          | 6                         |
| myisam_max_sort_file_size                         | 9223372036853727232       |
| myisam_mmap_size                                  | 18446744073709551615      |
| myisam_recover_options                            | OFF                       |
| myisam_repair_threads                             | 1                         |
| myisam_sort_buffer_size                           | 8388608                   |
| myisam_stats_method                               | nulls_unequal             |
| myisam_use_mmap                                   | OFF                       |
| net_buffer_length                                 | 16384                     |
| net_read_timeout                                  | 30                        |
| net_retry_count                                   | 10                        |
| net_write_timeout                                 | 60                        |
| new                                               | OFF                       |
| old                                               | OFF                       |
| old_alter_table                                   | OFF                       |
| old_passwords                                     | OFF                       |
| open_files_limit                                  | 1810                      |
| optimizer_prune_level                             | 1                         |
| optimizer_search_depth                            | 62                        |
| performance_schema                                | OFF                       |
| performance_schema_events_waits_history_long_size | 10000                     |
| performance_schema_events_waits_history_size      | 10                        |
| performance_schema_max_cond_classes               | 80                        |
| performance_schema_max_cond_instances             | 1000                      |
| performance_schema_max_file_classes               | 50                        |
| performance_schema_max_file_handles               | 32768                     |
| performance_schema_max_file_instances             | 10000                     |
| performance_schema_max_mutex_classes              | 200                       |
| performance_schema_max_mutex_instances            | 1000000                   |
| performance_schema_max_rwlock_classes             | 30                        |
| performance_schema_max_rwlock_instances           | 1000000                   |
| performance_schema_max_table_handles              | 100000                    |
| performance_schema_max_table_instances            | 50000                     |
| performance_schema_max_thread_classes             | 50                        |
| performance_schema_max_thread_instances           | 1000                      |
| pid_file                                          | /var/run/mysqld/mysqld.pid|
| plugin_dir                                        | /usr/lib64/mysql/plugin/  |
| port                                              | 3306                      |
| preload_buffer_size                               | 32768                     |
| profiling                                         | OFF                       |
| profiling_history_size                            | 15                        |
| protocol_version                                  | 10                        |
| proxy_user                                        |                           |
| pseudo_slave_mode                                 | OFF                       |
| pseudo_thread_id                                  | 49031                     |
| query_alloc_block_size                            | 8192                      |
| query_cache_limit                                 | 1048576                   |
| query_cache_min_res_unit                          | 4096                      |
| query_cache_size                                  | 67108864                  |
| query_cache_type                                  | ON                        |
| query_cache_wlock_invalidate                      | OFF                       |
| query_prealloc_size                               | 8192                      |
| rand_seed1                                        | 0                         |
| rand_seed2                                        | 0                         |
| range_alloc_block_size                            | 4096                      |
| read_buffer_size                                  | 1048576                   |
| read_only                                         | OFF                       |
| read_rnd_buffer_size                              | 262144                    |
| relay_log                                         |                           |
| relay_log_index                                   |                           |
| relay_log_info_file                               | relay-log.info            |
| relay_log_purge                                   | ON                        |
| relay_log_recovery                                | OFF                       |
| relay_log_space_limit                             | 0                         |
| report_host                                       |                           |
| report_password                                   |                           |
| report_port                                       | 3306                      |
| report_user                                       |                           |
| rpl_recovery_rank                                 | 0                         |
| secure_auth                                       | OFF                       |
| secure_file_priv                                  |                           |
| server_id                                         | 21                        |
| skip_external_locking                             | ON                        |
| skip_name_resolve                                 | OFF                       |
| skip_networking                                   | OFF                       |
| skip_show_database                                | OFF                       |
| slave_compressed_protocol                         | OFF                       |
| slave_exec_mode                                   | STRICT                    |
| slave_load_tmpdir                                 | /tmp                      |
| slave_max_allowed_packet                          | 1073741824                |
| slave_net_timeout                                 | 3600                      |
| slave_skip_errors                                 | OFF                       |
| slave_transaction_retries                         | 10                        |
| slave_type_conversions                            |                           |
| slow_launch_time                                  | 2                         |
| slow_query_log                                    | ON                        |
| slow_query_log_file                               | /server/logs/log-slow-queries.log                                                                                          |
| socket                                            | /var/lib/mysql/mysql.sock |
| sort_buffer_size                                  | 1048576                   |
| sql_auto_is_null                                  | OFF                       |
| sql_big_selects                                   | ON                        |
| sql_big_tables                                    | OFF                       |
| sql_buffer_result                                 | OFF                       |
| sql_log_bin                                       | ON                        |
| sql_log_off                                       | OFF                       |
| sql_low_priority_updates                          | OFF                       |
| sql_max_join_size                                 | 18446744073709551615      |
| sql_mode                                          |                           |
| sql_notes                                         | ON                        |
| sql_quote_show_create                             | ON                        |
| sql_safe_updates                                  | OFF                       |
| sql_select_limit                                  | 18446744073709551615      |
| sql_slave_skip_counter                            | 0                         |
| sql_warnings                                      | OFF                       |
| ssl_ca                                            |                           |
| ssl_capath                                        |                           |
| ssl_cert                                          |                           |
| ssl_cipher                                        |                           |
| ssl_key                                           |                           |
| storage_engine                                    | InnoDB                    |
| stored_program_cache                              | 256                       |
| sync_binlog                                       | 0                         |
| sync_frm                                          | ON                        |
| sync_master_info                                  | 0                         |
| sync_relay_log                                    | 0                         |
| sync_relay_log_info                               | 0                         |
| system_time_zone                                  | HKT                       |
| table_definition_cache                            | 400                       |
| table_open_cache                                  | 800                       |
| thread_cache_size                                 | 100                       |
| thread_concurrency                                | 10                        |
| thread_handling                                   | one-thread-per-connection |
| thread_stack                                      | 262144                    |
| time_format                                       | %H:%i:%s                  |
| time_zone                                         | Asia/Hong_Kong            |
| timed_mutexes                                     | OFF                       |
| timestamp                                         | 1441179155                |
| tmp_table_size                                    | 16777216                  |
| tmpdir                                            | /tmp                      |
| transaction_alloc_block_size                      | 8192                      |
| transaction_prealloc_size                         | 4096                      |
| tx_isolation                                      | REPEATABLE-READ           |
| unique_checks                                     | ON                        |
| updatable_views_with_limit                        | YES                       |
| version                                           | 5.5.30-log                |                                                                                  |
| version_compile_machine                           | x86_64                    |
| version_compile_os                                | Linux                     |
| wait_timeout                                      | 28800                     |
| warning_count                                     | 0            

0 个答案:

没有答案