update performance_schema.setup_instruments set enabled='NO'; update performance_schema.setup_instruments set enabled='YES' where name like "wait/io/file/myisam/%"; update performance_schema.setup_consumers set enabled='YES'; truncate table performance_schema.events_waits_history_long; truncate table performance_schema.events_statements_summary_by_digest; flush status; drop table if exists test.no_index_tab; create table test.no_index_tab ( a varchar(255), b int ) engine=myisam; insert into no_index_tab set a = 'foo', b = 1; insert into no_index_tab set a = 'foo', b = 1; insert into no_index_tab set a = 'foo', b = 1; select event_name, left(source, locate(":", source)) as short_source, operation, number_of_bytes, substring(object_name, locate("no_index_tab", object_name)) as short_name from performance_schema.events_waits_history_long where operation not like "tell" and event_name like "wait/io/file/myisam/%" having short_name <> "" order by thread_id, event_id; event_name short_source operation number_of_bytes short_name wait/io/file/myisam/kfile create NULL no_index_tab.MYI wait/io/file/myisam/dfile create NULL no_index_tab.MYD wait/io/file/myisam/kfile write 176 no_index_tab.MYI wait/io/file/myisam/kfile write 100 no_index_tab.MYI wait/io/file/myisam/kfile write 7 no_index_tab.MYI wait/io/file/myisam/kfile write 7 no_index_tab.MYI wait/io/file/myisam/kfile write 7 no_index_tab.MYI wait/io/file/myisam/kfile chsize 1024 no_index_tab.MYI wait/io/file/myisam/dfile close NULL no_index_tab.MYD wait/io/file/myisam/kfile close NULL no_index_tab.MYI wait/io/file/myisam/kfile open NULL no_index_tab.MYI wait/io/file/myisam/kfile read 24 no_index_tab.MYI wait/io/file/myisam/kfile seek NULL no_index_tab.MYI wait/io/file/myisam/kfile read 297 no_index_tab.MYI wait/io/file/myisam/dfile open NULL no_index_tab.MYD wait/io/file/myisam/kfile write 3 no_index_tab.MYI wait/io/file/myisam/dfile write 20 no_index_tab.MYD wait/io/file/myisam/kfile write 124 no_index_tab.MYI wait/io/file/myisam/dfile write 20 no_index_tab.MYD wait/io/file/myisam/kfile write 124 no_index_tab.MYI wait/io/file/myisam/dfile write 20 no_index_tab.MYD wait/io/file/myisam/kfile write 124 no_index_tab.MYI show global status like 'performance_schema_%'; Variable_name Value Performance_schema_accounts_lost 0 Performance_schema_cond_classes_lost 0 Performance_schema_cond_instances_lost 0 Performance_schema_digest_lost 0 Performance_schema_file_classes_lost 0 Performance_schema_file_handles_lost 0 Performance_schema_file_instances_lost 0 Performance_schema_hosts_lost 0 Performance_schema_index_stat_lost 0 Performance_schema_locker_lost 0 Performance_schema_memory_classes_lost 0 Performance_schema_metadata_lock_lost 0 Performance_schema_mutex_classes_lost 0 Performance_schema_mutex_instances_lost 0 Performance_schema_nested_statement_lost 0 Performance_schema_prepared_statements_lost 0 Performance_schema_program_lost 0 Performance_schema_rwlock_classes_lost 0 Performance_schema_rwlock_instances_lost 0 Performance_schema_session_connect_attrs_lost 0 Performance_schema_socket_classes_lost 0 Performance_schema_socket_instances_lost 0 Performance_schema_stage_classes_lost 0 Performance_schema_statement_classes_lost 0 Performance_schema_table_handles_lost 0 Performance_schema_table_instances_lost 0 Performance_schema_table_lock_stat_lost 0 Performance_schema_thread_classes_lost 0 Performance_schema_thread_instances_lost 0 Performance_schema_users_lost 0 update performance_schema.setup_instruments set enabled='YES'; drop table test.no_index_tab;