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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;
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/%"
order by thread_id, event_id;
event_name short_source operation number_of_bytes short_name
wait/io/file/myisam/kfile mi_create.c: create NULL no_index_tab.MYI
wait/io/file/myisam/dfile mi_create.c: create NULL no_index_tab.MYD
wait/io/file/myisam/kfile mi_open.c: write 176 no_index_tab.MYI
wait/io/file/myisam/kfile mi_open.c: write 100 no_index_tab.MYI
wait/io/file/myisam/kfile mi_open.c: write 7 no_index_tab.MYI
wait/io/file/myisam/kfile mi_open.c: write 7 no_index_tab.MYI
wait/io/file/myisam/kfile mi_open.c: write 7 no_index_tab.MYI
wait/io/file/myisam/kfile mi_create.c: chsize 1024 no_index_tab.MYI
wait/io/file/myisam/dfile mi_create.c: close NULL no_index_tab.MYD
wait/io/file/myisam/kfile mi_create.c: close NULL no_index_tab.MYI
wait/io/file/myisam/kfile mi_open.c: open NULL no_index_tab.MYI
wait/io/file/myisam/kfile mi_open.c: read 24 no_index_tab.MYI
wait/io/file/myisam/kfile mi_open.c: seek NULL no_index_tab.MYI
wait/io/file/myisam/kfile mi_open.c: read 297 no_index_tab.MYI
wait/io/file/myisam/dfile mi_open.c: open NULL no_index_tab.MYD
wait/io/file/myisam/kfile mi_locking.c: write 3 no_index_tab.MYI
wait/io/file/myisam/dfile mi_dynrec.c: write 20 no_index_tab.MYD
wait/io/file/myisam/kfile mi_open.c: write 124 no_index_tab.MYI
wait/io/file/myisam/dfile mi_dynrec.c: write 20 no_index_tab.MYD
wait/io/file/myisam/kfile mi_open.c: write 124 no_index_tab.MYI
wait/io/file/myisam/dfile mi_dynrec.c: write 20 no_index_tab.MYD
wait/io/file/myisam/kfile mi_open.c: write 124 no_index_tab.MYI
show 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_locker_lost 0
Performance_schema_mutex_classes_lost 0
Performance_schema_mutex_instances_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_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;
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