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a0475cb9ca
1. Add explicit indication that the output is produced by SHOW EXPLAIN/ANALYZE FORMAT=JSON command. 2. Remove useless "r_total_time_ms" field from SHOW ANALYZE FORMAT=JSON output when there is no timed statistics gathered. 3. Add "r_query_time_in_progress_ms" to the output of SHOW ANALYZE FORMAT=JSON.
168 lines
8.7 KiB
Text
168 lines
8.7 KiB
Text
show databases;
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Database
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information_schema
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mtr
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mysql
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performance_schema
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sys
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test
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select count(*) from performance_schema.performance_timers;
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count(*)
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5
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select count(*) from performance_schema.setup_consumers;
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count(*)
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15
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select count(*) > 4 from performance_schema.setup_instruments;
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count(*) > 4
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1
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select count(*) from performance_schema.setup_timers;
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count(*)
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5
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Warnings:
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Warning 1681 'performance_schema.setup_timers' is deprecated and will be removed in a future release
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select * from performance_schema.accounts;
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select * from performance_schema.cond_instances;
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select * from performance_schema.events_stages_current;
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select * from performance_schema.events_stages_history;
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select * from performance_schema.events_stages_history_long;
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select * from performance_schema.events_stages_summary_by_account_by_event_name;
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select * from performance_schema.events_stages_summary_by_host_by_event_name;
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select * from performance_schema.events_stages_summary_by_thread_by_event_name;
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select * from performance_schema.events_stages_summary_by_user_by_event_name;
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select * from performance_schema.events_stages_summary_global_by_event_name;
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select * from performance_schema.events_statements_current;
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select * from performance_schema.events_statements_history;
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select * from performance_schema.events_statements_history_long;
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select * from performance_schema.events_statements_summary_by_account_by_event_name;
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select * from performance_schema.events_statements_summary_by_digest;
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select * from performance_schema.events_statements_summary_by_host_by_event_name;
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select * from performance_schema.events_statements_summary_by_thread_by_event_name;
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select * from performance_schema.events_statements_summary_by_user_by_event_name;
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select * from performance_schema.events_statements_summary_global_by_event_name;
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select * from performance_schema.events_transactions_current;
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select * from performance_schema.events_transactions_history;
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select * from performance_schema.events_transactions_history_long;
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select * from performance_schema.events_transactions_summary_by_account_by_event_name;
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select * from performance_schema.events_transactions_summary_by_host_by_event_name;
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select * from performance_schema.events_transactions_summary_by_thread_by_event_name;
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select * from performance_schema.events_transactions_summary_by_user_by_event_name;
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select * from performance_schema.events_transactions_summary_global_by_event_name;
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select * from performance_schema.events_waits_current;
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select * from performance_schema.events_waits_history;
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select * from performance_schema.events_waits_history_long;
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select * from performance_schema.events_waits_summary_by_account_by_event_name;
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select * from performance_schema.events_waits_summary_by_host_by_event_name;
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select * from performance_schema.events_waits_summary_by_instance;
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select * from performance_schema.events_waits_summary_by_thread_by_event_name;
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select * from performance_schema.events_waits_summary_by_user_by_event_name;
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select * from performance_schema.events_waits_summary_global_by_event_name;
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select * from performance_schema.memory_summary_by_account_by_event_name;
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select * from performance_schema.memory_summary_by_host_by_event_name;
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select * from performance_schema.memory_summary_by_thread_by_event_name;
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select * from performance_schema.memory_summary_by_user_by_event_name;
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select * from performance_schema.memory_summary_global_by_event_name;
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select * from performance_schema.file_instances;
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select * from performance_schema.file_summary_by_event_name;
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select * from performance_schema.file_summary_by_instance;
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select * from performance_schema.host_cache;
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select * from performance_schema.hosts;
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select * from performance_schema.memory_summary_by_account_by_event_name;
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select * from performance_schema.memory_summary_by_host_by_event_name;
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select * from performance_schema.memory_summary_by_thread_by_event_name;
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select * from performance_schema.memory_summary_by_user_by_event_name;
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select * from performance_schema.memory_summary_global_by_event_name;
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select * from performance_schema.metadata_locks;
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select * from performance_schema.mutex_instances;
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select * from performance_schema.objects_summary_global_by_type;
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select * from performance_schema.performance_timers;
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select * from performance_schema.rwlock_instances;
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select * from performance_schema.session_account_connect_attrs;
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select * from performance_schema.session_connect_attrs;
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select * from performance_schema.setup_actors;
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select * from performance_schema.setup_consumers;
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select * from performance_schema.setup_instruments;
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select * from performance_schema.setup_objects;
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select * from performance_schema.setup_timers;
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select * from performance_schema.socket_instances;
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select * from performance_schema.socket_summary_by_instance;
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select * from performance_schema.socket_summary_by_event_name;
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select * from performance_schema.table_handles;
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select * from performance_schema.table_io_waits_summary_by_index_usage;
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select * from performance_schema.table_io_waits_summary_by_table;
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select * from performance_schema.table_lock_waits_summary_by_table;
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select * from performance_schema.threads;
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select * from performance_schema.users;
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select * from performance_schema.replication_connection_configuration;
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select * from performance_schema.replication_applier_configuration;
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select * from performance_schema.replication_applier_status;
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select * from performance_schema.replication_applier_status_by_coordinator;
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select * from performance_schema.global_status;
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select * from performance_schema.status_by_thread;
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select * from performance_schema.status_by_user;
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select * from performance_schema.status_by_host;
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select * from performance_schema.status_by_account;
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select * from performance_schema.session_status;
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show global variables like "performance_schema%";
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Variable_name Value
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performance_schema ON
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performance_schema_accounts_size 100
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performance_schema_digests_size 200
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performance_schema_events_stages_history_long_size 1000
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performance_schema_events_stages_history_size 10
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performance_schema_events_statements_history_long_size 1000
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performance_schema_events_statements_history_size 10
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performance_schema_events_transactions_history_long_size 1000
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performance_schema_events_transactions_history_size 10
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performance_schema_events_waits_history_long_size 10000
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performance_schema_events_waits_history_size 10
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performance_schema_hosts_size 100
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performance_schema_max_cond_classes 90
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performance_schema_max_cond_instances 1000
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performance_schema_max_digest_length 1024
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performance_schema_max_file_classes 80
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performance_schema_max_file_handles 32768
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performance_schema_max_file_instances 10000
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performance_schema_max_index_stat 5000
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performance_schema_max_memory_classes 320
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performance_schema_max_metadata_locks 10000
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performance_schema_max_mutex_classes 210
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performance_schema_max_mutex_instances 5000
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performance_schema_max_prepared_statements_instances 100
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performance_schema_max_program_instances 5000
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performance_schema_max_rwlock_classes 50
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performance_schema_max_rwlock_instances 5000
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performance_schema_max_socket_classes 10
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performance_schema_max_socket_instances 1000
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performance_schema_max_sql_text_length 1024
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performance_schema_max_stage_classes 160
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performance_schema_max_statement_classes 222
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performance_schema_max_statement_stack 10
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performance_schema_max_table_handles 1000
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performance_schema_max_table_instances 500
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performance_schema_max_table_lock_stat 500
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performance_schema_max_thread_classes 50
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performance_schema_max_thread_instances 200
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performance_schema_session_connect_attrs_size 2048
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performance_schema_setup_actors_size 100
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performance_schema_setup_objects_size 100
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performance_schema_users_size 100
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show engine PERFORMANCE_SCHEMA status;
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show global status like "performance_schema%";
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select * from performance_schema.setup_instruments
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where name like "wait/%" and enabled='YES';
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NAME ENABLED TIMED
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select * from performance_schema.events_waits_summary_global_by_event_name
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where event_name like "wait/%" and count_star > 0;
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EVENT_NAME COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT
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select * from performance_schema.events_waits_summary_by_thread_by_event_name
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where event_name like "wait/%" and count_star > 0;
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THREAD_ID EVENT_NAME COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT
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select * from performance_schema.events_waits_summary_by_user_by_event_name
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where event_name like "wait/%" and count_star > 0;
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USER EVENT_NAME COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT
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select * from performance_schema.events_waits_summary_by_host_by_event_name
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where event_name like "wait/%" and count_star > 0;
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HOST EVENT_NAME COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT
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select * from performance_schema.events_waits_summary_by_account_by_event_name
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where event_name like "wait/%" and count_star > 0;
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USER HOST EVENT_NAME COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT
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