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drop table if exists test.marker;
create table test.marker(a int);
update performance_schema.setup_consumers set enabled='NO';
update performance_schema.setup_instruments set enabled='NO';
update performance_schema.setup_instruments set enabled='YES'
where name like "wait/io/table/%";
truncate table performance_schema.events_waits_history_long;
flush status;
flush tables;
# We are forced to suppress here the server response.
optimize table mysql.host;
optimize table mysql.user;
optimize table mysql.db;
optimize table mysql.proxies_priv;
optimize table mysql.tables_priv;
optimize table mysql.procs_priv;
optimize table mysql.servers;
flush privileges;
show create table test.marker;
show global status;
show global variables;
update performance_schema.setup_consumers set enabled='YES';
update performance_schema.setup_objects set enabled='YES'
where object_type='TABLE' and object_schema= 'mysql';
flush privileges;
insert into test.marker set a = 1;
insert into test.marker set a = 1;
insert into test.marker set a = 1;
show global variables like "performance_schema%table%";
Variable_name Value
performance_schema_max_table_handles -1
performance_schema_max_table_instances -1
performance_schema_max_table_lock_stat -1
show global status like "performance_schema%table%";
Variable_name Value
Performance_schema_table_handles_lost 0
Performance_schema_table_instances_lost 0
Performance_schema_table_lock_stat_lost 0
update performance_schema.setup_consumers set enabled='NO';
select event_name,
left(source, locate(":", source)) as short_source,
object_type, object_schema,
if (locate("#sql-", object_name), "#sql-XXXX", object_name)
as pretty_name,
operation, number_of_bytes
from performance_schema.events_waits_history_long
where event_name like 'wait/io/table/%'
and object_schema in ("test", "mysql")
order by thread_id, event_id;
event_name short_source object_type object_schema pretty_name operation number_of_bytes
wait/io/table/sql/handler handler.cc: TABLE mysql user fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql user fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql user fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql user fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql user fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql db fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql db fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql db fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql db fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql proxies_priv fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql proxies_priv fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql global_grants fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql role_edges fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql default_roles fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql tables_priv fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql tables_priv fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql tables_priv fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql procs_priv fetch 1
wait/io/table/sql/handler handler.cc: TABLE mysql servers fetch 1
wait/io/table/sql/handler handler.cc: TABLE test marker insert 1
wait/io/table/sql/handler handler.cc: TABLE test marker insert 1
wait/io/table/sql/handler handler.cc: TABLE test marker insert 1
show global status like 'performance_schema_%_lost';
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
truncate performance_schema.events_waits_history_long;
flush status;
update performance_schema.setup_consumers set enabled='NO';
truncate performance_schema.events_waits_history_long;
drop table test.marker;
flush status;
update performance_schema.setup_instruments set enabled='YES';
update performance_schema.setup_consumers set enabled='YES';
update performance_schema.setup_objects set enabled='NO'
where object_type='TABLE' and object_schema= 'mysql';
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