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e1825e39ca
the value of 200 isn't enough for some tests anymore, this causes some random threads to become not instrumented and any table operations there are not reflected in the perfschema. If, say, a DROP TABLE doesn't change perfschema state, perfschema tables might show ghost tables that no longer exist in the server
168 lines
9.6 KiB
Plaintext
168 lines
9.6 KiB
Plaintext
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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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 400
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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 in ('transaction') and enabled='YES';
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NAME ENABLED TIMED
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select * from performance_schema.events_transactions_summary_global_by_event_name
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where count_star > 0;
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EVENT_NAME COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT COUNT_READ_WRITE SUM_TIMER_READ_WRITE MIN_TIMER_READ_WRITE AVG_TIMER_READ_WRITE MAX_TIMER_READ_WRITE COUNT_READ_ONLY SUM_TIMER_READ_ONLY MIN_TIMER_READ_ONLY AVG_TIMER_READ_ONLY MAX_TIMER_READ_ONLY
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select * from performance_schema.events_transactions_summary_by_thread_by_event_name
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where 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 COUNT_READ_WRITE SUM_TIMER_READ_WRITE MIN_TIMER_READ_WRITE AVG_TIMER_READ_WRITE MAX_TIMER_READ_WRITE COUNT_READ_ONLY SUM_TIMER_READ_ONLY MIN_TIMER_READ_ONLY AVG_TIMER_READ_ONLY MAX_TIMER_READ_ONLY
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select * from performance_schema.events_transactions_summary_by_user_by_event_name
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where count_star > 0;
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USER EVENT_NAME COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT COUNT_READ_WRITE SUM_TIMER_READ_WRITE MIN_TIMER_READ_WRITE AVG_TIMER_READ_WRITE MAX_TIMER_READ_WRITE COUNT_READ_ONLY SUM_TIMER_READ_ONLY MIN_TIMER_READ_ONLY AVG_TIMER_READ_ONLY MAX_TIMER_READ_ONLY
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select * from performance_schema.events_transactions_summary_by_host_by_event_name
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where count_star > 0;
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HOST EVENT_NAME COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT COUNT_READ_WRITE SUM_TIMER_READ_WRITE MIN_TIMER_READ_WRITE AVG_TIMER_READ_WRITE MAX_TIMER_READ_WRITE COUNT_READ_ONLY SUM_TIMER_READ_ONLY MIN_TIMER_READ_ONLY AVG_TIMER_READ_ONLY MAX_TIMER_READ_ONLY
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select * from performance_schema.events_transactions_summary_by_account_by_event_name
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where 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 COUNT_READ_WRITE SUM_TIMER_READ_WRITE MIN_TIMER_READ_WRITE AVG_TIMER_READ_WRITE MAX_TIMER_READ_WRITE COUNT_READ_ONLY SUM_TIMER_READ_ONLY MIN_TIMER_READ_ONLY AVG_TIMER_READ_ONLY MAX_TIMER_READ_ONLY
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