每个10秒输出一次mysql的状态信息
mysqladmin -i 10 extended status
mysqladmin -h 172.16.0.1 -u monitor -ppasswd status Uptime: 195824 Threads: 21 Questions: 57744081 Slow queries: 516230 Opens: 13202607 Flush tables: 1 Open tables: 160 Queries per second avg: 294.877
mysqladmin -h 172.16.0.1 -u monitor -ppasswd extended-status +-----------------------------------+-------------+ | Variable_name | Value | +-----------------------------------+-------------+ | Aborted_clients | 60336 | | Aborted_connects | 4599 | | Binlog_cache_disk_use | 36 | | Binlog_cache_use | 100721 | | Bytes_received | 17510873261 | | Bytes_sent | 92890743568 | | Com_admin_commands | 10026660 | | Com_assign_to_keycache | 0 | | Com_alter_db | 0 | | Com_alter_db_upgrade | 0 | | Com_alter_event | 0 | | Com_alter_function | 0 | | Com_alter_procedure | 0 | | Com_alter_server | 0 | | Com_alter_table | 418 | | Com_alter_tablespace | 0 | | Com_analyze | 0 | | Com_backup_table | 0 | | Com_begin | 0 | | Com_binlog | 0 | | Com_call_procedure | 0 | | Com_change_db | 4440400 | | Com_change_master | 1 | | Com_check | 0 | | Com_checksum | 0 | | Com_commit | 30089 | | Com_create_db | 1 | | Com_create_event | 0 | | Com_create_function | 0 | | Com_create_index | 1 | | Com_create_procedure | 0 | | Com_create_server | 0 | | Com_create_table | 211 | | Com_create_trigger | 4 | | Com_create_udf | 0 | | Com_create_user | 0 | | Com_create_view | 2 | | Com_dealloc_sql | 0 | | Com_delete | 36664 | | Com_delete_multi | 0 | | Com_do | 0 | | Com_drop_db | 0 | | Com_drop_event | 0 | | Com_drop_function | 0 | | Com_drop_index | 0 | | Com_drop_procedure | 0 | | Com_drop_server | 0 | | Com_drop_table | 213 | | Com_drop_trigger | 0 | | Com_drop_user | 0 | | Com_drop_view | 4 | | Com_empty_query | 0 | | Com_execute_sql | 0 | | Com_flush | 9 | | Com_grant | 6 | | Com_ha_close | 0 | | Com_ha_open | 0 | | Com_ha_read | 0 | | Com_help | 0 | | Com_insert | 472260 | | Com_insert_select | 0 | | Com_install_plugin | 0 | | Com_kill | 12 | | Com_load | 0 | | Com_load_master_data | 0 | | Com_load_master_table | 0 | | Com_lock_tables | 209 | | Com_optimize | 0 | | Com_preload_keys | 0 | | Com_prepare_sql | 0 | | Com_purge | 0 | | Com_purge_before_date | 0 | | Com_release_savepoint | 0 | | Com_rename_table | 0 | | Com_rename_user | 0 | | Com_repair | 0 | | Com_replace | 4612 | | Com_replace_select | 0 | | Com_reset | 0 | | Com_restore_table | 0 | | Com_revoke | 0 | | Com_revoke_all | 0 | | Com_rollback | 0 | | Com_rollback_to_savepoint | 0 | | Com_savepoint | 0 | | Com_select | 20310686 | | Com_set_option | 9089818 | | Com_show_authors | 0 | | Com_show_binlog_events | 0 | | Com_show_binlogs | 0 | | Com_show_charsets | 24 | | Com_show_collations | 18214 | | Com_show_column_types | 0 | | Com_show_contributors | 0 | | Com_show_create_db | 0 | | Com_show_create_event | 0 | | Com_show_create_func | 0 | | Com_show_create_proc | 0 | | Com_show_create_table | 0 | | Com_show_create_trigger | 0 | | Com_show_databases | 24 | | Com_show_engine_logs | 0 | | Com_show_engine_mutex | 0 | | Com_show_engine_status | 0 | | Com_show_events | 0 | | Com_show_errors | 0 | | Com_show_fields | 147160 | | Com_show_function_status | 3 | | Com_show_grants | 0 | | Com_show_keys | 2 | | Com_show_master_status | 1 | | Com_show_new_master | 0 | | Com_show_open_tables | 0 | | Com_show_plugins | 0 | | Com_show_privileges | 0 | | Com_show_procedure_status | 3 | | Com_show_processlist | 12483 | | Com_show_profile | 0 | | Com_show_profiles | 0 | | Com_show_slave_hosts | 0 | | Com_show_slave_status | 0 | | Com_show_status | 1158 | | Com_show_storage_engines | 0 | | Com_show_table_status | 2 | | Com_show_tables | 29915 | | Com_show_triggers | 0 | | Com_show_variables | 26295 | | Com_show_warnings | 0 | | Com_slave_start | 0 | | Com_slave_stop | 0 | | Com_stmt_close | 0 | | Com_stmt_execute | 0 | | Com_stmt_fetch | 0 | | Com_stmt_prepare | 0 | | Com_stmt_reprepare | 0 | | Com_stmt_reset | 0 | | Com_stmt_send_long_data | 0 | | Com_truncate | 0 | | Com_uninstall_plugin | 0 | | Com_unlock_tables | 209 | | Com_update | 501411 | | Com_update_multi | 23112 | | Com_xa_commit | 0 | | Com_xa_end | 0 | | Com_xa_prepare | 0 | | Com_xa_recover | 0 | | Com_xa_rollback | 0 | | Com_xa_start | 0 | | Compression | OFF | | Connections | 4555052 | | Created_tmp_disk_tables | 421231 | | Created_tmp_files | 1172 | | Created_tmp_tables | 2769149 | | Delayed_errors | 0 | | Delayed_insert_threads | 0 | | Delayed_writes | 0 | | Flush_commands | 1 | | Handler_commit | 100721 | | Handler_delete | 133583 | | Handler_discover | 0 | | Handler_prepare | 0 | | Handler_read_first | 404032 | | Handler_read_key | 18292439681 | | Handler_read_next | 33393351305 | | Handler_read_prev | 77792315 | | Handler_read_rnd | 2969739139 | | Handler_read_rnd_next | 41965058450 | | Handler_rollback | 0 | | Handler_savepoint | 0 | | Handler_savepoint_rollback | 0 | | Handler_update | 4595750766 | | Handler_write | 6069006380 | | Innodb_buffer_pool_pages_data | 19 | | Innodb_buffer_pool_pages_dirty | 0 | | Innodb_buffer_pool_pages_flushed | 0 | | Innodb_buffer_pool_pages_free | 493 | | Innodb_buffer_pool_pages_misc | 0 | | Innodb_buffer_pool_pages_total | 512 | | Innodb_buffer_pool_read_ahead_rnd | 1 | | Innodb_buffer_pool_read_ahead_seq | 0 | | Innodb_buffer_pool_read_requests | 77 | | Innodb_buffer_pool_reads | 12 | | Innodb_buffer_pool_wait_free | 0 | | Innodb_buffer_pool_write_requests | 0 | | Innodb_data_fsyncs | 3 | | Innodb_data_pending_fsyncs | 0 | | Innodb_data_pending_reads | 0 | | Innodb_data_pending_writes | 0 | | Innodb_data_read | 2494464 | | Innodb_data_reads | 25 | | Innodb_data_writes | 3 | | Innodb_data_written | 1536 | | Innodb_dblwr_pages_written | 0 | | Innodb_dblwr_writes | 0 | | Innodb_log_waits | 0 | | Innodb_log_write_requests | 0 | | Innodb_log_writes | 1 | | Innodb_os_log_fsyncs | 3 | | Innodb_os_log_pending_fsyncs | 0 | | Innodb_os_log_pending_writes | 0 | | Innodb_os_log_written | 512 | | Innodb_page_size | 16384 | | Innodb_pages_created | 0 | | Innodb_pages_read | 19 | | Innodb_pages_written | 0 | | Innodb_row_lock_current_waits | 0 | | Innodb_row_lock_time | 0 | | Innodb_row_lock_time_avg | 0 | | Innodb_row_lock_time_max | 0 | | Innodb_row_lock_waits | 0 | | Innodb_rows_deleted | 0 | | Innodb_rows_inserted | 0 | | Innodb_rows_read | 0 | | Innodb_rows_updated | 0 | | Key_blocks_not_flushed | 0 | | Key_blocks_unused | 6917 | | Key_blocks_used | 53585 | | Key_read_requests | 35870213140 | | Key_reads | 13788784 | | Key_write_requests | 35265303 | | Key_writes | 2467239 | | Last_query_cost | 0.000000 | | Max_used_connections | 3001 | | Not_flushed_delayed_rows | 0 | | Open_files | 238 | | Open_streams | 0 | | Open_table_definitions | 228 | | Open_tables | 160 | | Opened_files | 20864567 | | Opened_table_definitions | 653 | | Opened_tables | 13202613 | | Prepared_stmt_count | 0 | | Qcache_free_blocks | 10480 | | Qcache_free_memory | 38697120 | | Qcache_hits | 17943956 | | Qcache_inserts | 8251298 | | Qcache_lowmem_prunes | 560647 | | Qcache_not_cached | 11879434 | | Qcache_queries_in_cache | 54611 | | Qcache_total_blocks | 125193 | | Queries | 57755205 | | Questions | 57582352 | | Rpl_status | NULL | | Select_full_join | 602236 | | Select_full_range_join | 6851 | | Select_range | 1633467 | | Select_range_check | 0 | | Select_scan | 10981650 | | Slave_open_temp_tables | 0 | | Slave_retried_transactions | 0 | | Slave_running | OFF | | Slow_launch_threads | 206 | | Slow_queries | 516237 | | Sort_merge_passes | 548 | | Sort_range | 293328 | | Sort_rows | 2831414035 | | Sort_scan | 2726547 | | Ssl_accept_renegotiates | 0 | | Ssl_accepts | 0 | | Ssl_callback_cache_hits | 0 | | Ssl_cipher | | | Ssl_cipher_list | | | Ssl_client_connects | 0 | | Ssl_connect_renegotiates | 0 | | Ssl_ctx_verify_depth | 0 | | Ssl_ctx_verify_mode | 0 | | Ssl_default_timeout | 0 | | Ssl_finished_accepts | 0 | | Ssl_finished_connects | 0 | | Ssl_session_cache_hits | 0 | | Ssl_session_cache_misses | 0 | | Ssl_session_cache_mode | NONE | | Ssl_session_cache_overflows | 0 | | Ssl_session_cache_size | 0 | | Ssl_session_cache_timeouts | 0 | | Ssl_sessions_reused | 0 | | Ssl_used_session_cache_entries | 0 | | Ssl_verify_depth | 0 | | Ssl_verify_mode | 0 | | Ssl_version | | | Table_locks_immediate | 46406490 | | Table_locks_waited | 1428430 | | Tc_log_max_pages_used | 0 | | Tc_log_page_size | 0 | | Tc_log_page_waits | 0 | | Threads_cached | 33 | | Threads_connected | 33 | | Threads_created | 77809 | | Threads_running | 7 | | Uptime | 195854 | | Uptime_since_flush_status | 195854 | +-----------------------------------+-------------+
[root@development ~]# mysqladmin -u root -p -h 127.0.0.1 processlist Enter password: +-------+--------+----------------------+--------+---------+------+-------+------------------+ | Id | User | Host | db | Command | Time | State | Info | +-------+--------+----------------------+--------+---------+------+-------+------------------+ | 23648 | dbuser | 192.168.3.237:1220 | testdb | Sleep | 2733 | | | | 23878 | dbuser | www.testdb.com:53639 | testdb | Sleep | 7 | | | | 23881 | root | localhost:57243 | | Query | 0 | | show processlist | +-------+--------+----------------------+--------+---------+------+-------+------------------+
mysql -u root -pneo -S /tmp/mysql.sock -e "show full processlist;"|grep -v Sleep
原文出处：Netkiller 系列 手札
本文作者：陈景峯
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