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show databases;
Database
information_schema
mtr
mysql
performance_schema
sys
test
select count(*) from performance_schema.performance_timers;
count(*)
5
select count(*) from performance_schema.setup_consumers;
count(*)
15
select count(*) > 4 from performance_schema.setup_instruments;
count(*) > 4
1
select count(*) from performance_schema.setup_timers;
count(*)
5
Warnings:
Warning 1681 'performance_schema.setup_timers' is deprecated and will be removed in a future release
select * from performance_schema.accounts;
select * from performance_schema.cond_instances;
select * from performance_schema.events_stages_current;
select * from performance_schema.events_stages_history;
select * from performance_schema.events_stages_history_long;
select * from performance_schema.events_stages_summary_by_account_by_event_name;
select * from performance_schema.events_stages_summary_by_host_by_event_name;
select * from performance_schema.events_stages_summary_by_thread_by_event_name;
select * from performance_schema.events_stages_summary_by_user_by_event_name;
select * from performance_schema.events_stages_summary_global_by_event_name;
select * from performance_schema.events_statements_current;
select * from performance_schema.events_statements_history;
select * from performance_schema.events_statements_history_long;
select * from performance_schema.events_statements_summary_by_account_by_event_name;
select * from performance_schema.events_statements_summary_by_digest;
select * from performance_schema.events_statements_summary_by_host_by_event_name;
select * from performance_schema.events_statements_summary_by_thread_by_event_name;
select * from performance_schema.events_statements_summary_by_user_by_event_name;
select * from performance_schema.events_statements_summary_global_by_event_name;
select * from performance_schema.events_transactions_current;
select * from performance_schema.events_transactions_history;
select * from performance_schema.events_transactions_history_long;
select * from performance_schema.events_transactions_summary_by_account_by_event_name;
select * from performance_schema.events_transactions_summary_by_host_by_event_name;
select * from performance_schema.events_transactions_summary_by_thread_by_event_name;
select * from performance_schema.events_transactions_summary_by_user_by_event_name;
select * from performance_schema.events_transactions_summary_global_by_event_name;
select * from performance_schema.events_waits_current;
select * from performance_schema.events_waits_history;
select * from performance_schema.events_waits_history_long;
select * from performance_schema.events_waits_summary_by_account_by_event_name;
select * from performance_schema.events_waits_summary_by_host_by_event_name;
select * from performance_schema.events_waits_summary_by_instance;
select * from performance_schema.events_waits_summary_by_thread_by_event_name;
select * from performance_schema.events_waits_summary_by_user_by_event_name;
select * from performance_schema.events_waits_summary_global_by_event_name;
select * from performance_schema.memory_summary_by_account_by_event_name;
select * from performance_schema.memory_summary_by_host_by_event_name;
select * from performance_schema.memory_summary_by_thread_by_event_name;
select * from performance_schema.memory_summary_by_user_by_event_name;
select * from performance_schema.memory_summary_global_by_event_name;
select * from performance_schema.file_instances;
select * from performance_schema.file_summary_by_event_name;
select * from performance_schema.file_summary_by_instance;
select * from performance_schema.host_cache;
select * from performance_schema.hosts;
select * from performance_schema.memory_summary_by_account_by_event_name;
select * from performance_schema.memory_summary_by_host_by_event_name;
select * from performance_schema.memory_summary_by_thread_by_event_name;
select * from performance_schema.memory_summary_by_user_by_event_name;
select * from performance_schema.memory_summary_global_by_event_name;
select * from performance_schema.metadata_locks;
select * from performance_schema.mutex_instances;
select * from performance_schema.objects_summary_global_by_type;
select * from performance_schema.performance_timers;
select * from performance_schema.rwlock_instances;
select * from performance_schema.session_account_connect_attrs;
select * from performance_schema.session_connect_attrs;
select * from performance_schema.setup_actors;
select * from performance_schema.setup_consumers;
select * from performance_schema.setup_instruments;
select * from performance_schema.setup_objects;
select * from performance_schema.setup_timers;
select * from performance_schema.socket_instances;
select * from performance_schema.socket_summary_by_instance;
select * from performance_schema.socket_summary_by_event_name;
select * from performance_schema.table_handles;
select * from performance_schema.table_io_waits_summary_by_index_usage;
select * from performance_schema.table_io_waits_summary_by_table;
select * from performance_schema.table_lock_waits_summary_by_table;
select * from performance_schema.threads;
select * from performance_schema.users;
select * from performance_schema.replication_connection_configuration;
select * from performance_schema.replication_applier_configuration;
select * from performance_schema.replication_applier_status;
select * from performance_schema.replication_applier_status_by_coordinator;
select * from performance_schema.global_status;
select * from performance_schema.status_by_thread;
select * from performance_schema.status_by_user;
select * from performance_schema.status_by_host;
select * from performance_schema.status_by_account;
select * from performance_schema.session_status;
show global variables like "performance_schema%";
Variable_name Value
performance_schema ON
performance_schema_accounts_size 100
performance_schema_digests_size 200
performance_schema_events_stages_history_long_size 1000
performance_schema_events_stages_history_size 10
performance_schema_events_statements_history_long_size 1000
performance_schema_events_statements_history_size 10
performance_schema_events_transactions_history_long_size 1000
performance_schema_events_transactions_history_size 10
performance_schema_events_waits_history_long_size 10000
performance_schema_events_waits_history_size 10
performance_schema_hosts_size 100
performance_schema_max_cond_classes 90
performance_schema_max_cond_instances 1000
performance_schema_max_digest_length 1024
performance_schema_max_file_classes 80
performance_schema_max_file_handles 32768
performance_schema_max_file_instances 10000
performance_schema_max_index_stat 5000
performance_schema_max_memory_classes 320
performance_schema_max_metadata_locks 10000
performance_schema_max_mutex_classes 210
performance_schema_max_mutex_instances 5000
performance_schema_max_prepared_statements_instances 100
performance_schema_max_program_instances 5000
performance_schema_max_rwlock_classes 50
performance_schema_max_rwlock_instances 5000
performance_schema_max_socket_classes 10
performance_schema_max_socket_instances 1000
performance_schema_max_sql_text_length 1024
performance_schema_max_stage_classes 160
performance_schema_max_statement_classes 221
performance_schema_max_statement_stack 10
performance_schema_max_table_handles 1000
performance_schema_max_table_instances 500
performance_schema_max_table_lock_stat 500
performance_schema_max_thread_classes 50
performance_schema_max_thread_instances 200
performance_schema_session_connect_attrs_size 2048
performance_schema_setup_actors_size 100
performance_schema_setup_objects_size 100
performance_schema_users_size 100
show engine PERFORMANCE_SCHEMA status;
show global status like "performance_schema%";
select * from performance_schema.setup_instruments
where name like "statement/%" and enabled='YES';
NAME ENABLED TIMED
select * from performance_schema.events_statements_summary_global_by_event_name
where count_star > 0;
EVENT_NAME COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT SUM_LOCK_TIME SUM_ERRORS SUM_WARNINGS SUM_ROWS_AFFECTED SUM_ROWS_SENT SUM_ROWS_EXAMINED SUM_CREATED_TMP_DISK_TABLES SUM_CREATED_TMP_TABLES SUM_SELECT_FULL_JOIN SUM_SELECT_FULL_RANGE_JOIN SUM_SELECT_RANGE SUM_SELECT_RANGE_CHECK SUM_SELECT_SCAN SUM_SORT_MERGE_PASSES SUM_SORT_RANGE SUM_SORT_ROWS SUM_SORT_SCAN SUM_NO_INDEX_USED SUM_NO_GOOD_INDEX_USED
select * from performance_schema.events_statements_summary_by_thread_by_event_name
where count_star > 0;
THREAD_ID EVENT_NAME COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT SUM_LOCK_TIME SUM_ERRORS SUM_WARNINGS SUM_ROWS_AFFECTED SUM_ROWS_SENT SUM_ROWS_EXAMINED SUM_CREATED_TMP_DISK_TABLES SUM_CREATED_TMP_TABLES SUM_SELECT_FULL_JOIN SUM_SELECT_FULL_RANGE_JOIN SUM_SELECT_RANGE SUM_SELECT_RANGE_CHECK SUM_SELECT_SCAN SUM_SORT_MERGE_PASSES SUM_SORT_RANGE SUM_SORT_ROWS SUM_SORT_SCAN SUM_NO_INDEX_USED SUM_NO_GOOD_INDEX_USED
select * from performance_schema.events_statements_summary_by_user_by_event_name
where count_star > 0;
USER EVENT_NAME COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT SUM_LOCK_TIME SUM_ERRORS SUM_WARNINGS SUM_ROWS_AFFECTED SUM_ROWS_SENT SUM_ROWS_EXAMINED SUM_CREATED_TMP_DISK_TABLES SUM_CREATED_TMP_TABLES SUM_SELECT_FULL_JOIN SUM_SELECT_FULL_RANGE_JOIN SUM_SELECT_RANGE SUM_SELECT_RANGE_CHECK SUM_SELECT_SCAN SUM_SORT_MERGE_PASSES SUM_SORT_RANGE SUM_SORT_ROWS SUM_SORT_SCAN SUM_NO_INDEX_USED SUM_NO_GOOD_INDEX_USED
select * from performance_schema.events_statements_summary_by_host_by_event_name
where count_star > 0;
HOST EVENT_NAME COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT SUM_LOCK_TIME SUM_ERRORS SUM_WARNINGS SUM_ROWS_AFFECTED SUM_ROWS_SENT SUM_ROWS_EXAMINED SUM_CREATED_TMP_DISK_TABLES SUM_CREATED_TMP_TABLES SUM_SELECT_FULL_JOIN SUM_SELECT_FULL_RANGE_JOIN SUM_SELECT_RANGE SUM_SELECT_RANGE_CHECK SUM_SELECT_SCAN SUM_SORT_MERGE_PASSES SUM_SORT_RANGE SUM_SORT_ROWS SUM_SORT_SCAN SUM_NO_INDEX_USED SUM_NO_GOOD_INDEX_USED
select * from performance_schema.events_statements_summary_by_account_by_event_name
where count_star > 0;
USER HOST EVENT_NAME COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT SUM_LOCK_TIME SUM_ERRORS SUM_WARNINGS SUM_ROWS_AFFECTED SUM_ROWS_SENT SUM_ROWS_EXAMINED SUM_CREATED_TMP_DISK_TABLES SUM_CREATED_TMP_TABLES SUM_SELECT_FULL_JOIN SUM_SELECT_FULL_RANGE_JOIN SUM_SELECT_RANGE SUM_SELECT_RANGE_CHECK SUM_SELECT_SCAN SUM_SORT_MERGE_PASSES SUM_SORT_RANGE SUM_SORT_ROWS SUM_SORT_SCAN SUM_NO_INDEX_USED SUM_NO_GOOD_INDEX_USED
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