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mysqladmin --user=root --password reload
sudo mysqladmin -u root -p password '你的新密码'
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 statusUptime: 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 processlistEnter 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