Edit File: memory_table_io.result
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; drop table if exists test.no_index_tab; update performance_schema.setup_consumers set enabled='YES'; insert into marker set a = 1; create table test.no_index_tab ( a varchar(255) not null, b int not null) engine = MEMORY; insert into marker set a = 1; show create table test.no_index_tab; Table Create Table no_index_tab CREATE TABLE `no_index_tab` ( `a` varchar(255) NOT NULL, `b` int(11) NOT NULL ) ENGINE=MEMORY DEFAULT CHARSET=latin1 insert into marker set a = 1; insert into test.no_index_tab set a = 'foo', b = 1; insert into marker set a = 1; insert into test.no_index_tab set a = 'foo', b = 2; insert into marker set a = 1; insert into test.no_index_tab set a = 'foo', b = 3; insert into marker set a = 1; select * from test.no_index_tab; a b foo 1 foo 2 foo 3 insert into marker set a = 1; update test.no_index_tab set a = 'bar'; insert into marker set a = 1; select * from test.no_index_tab limit 2; a b bar 1 bar 2 insert into marker set a = 1; delete from test.no_index_tab where b = 3; insert into marker set a = 1; select * from test.no_index_tab; a b bar 1 bar 2 insert into marker set a = 1; optimize table test.no_index_tab; Table Op Msg_type Msg_text test.no_index_tab optimize note The storage engine for the table doesn't support optimize insert into marker set a = 1; select * from test.no_index_tab; a b bar 1 bar 2 insert into marker set a = 1; truncate table test.no_index_tab; insert into marker set a = 1; drop table test.no_index_tab; 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") 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 test marker insert NULL wait/io/table/sql/handler handler.cc: TABLE test marker insert NULL wait/io/table/sql/handler handler.cc: TABLE test marker insert NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab insert NULL wait/io/table/sql/handler handler.cc: TABLE test marker insert NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab insert NULL wait/io/table/sql/handler handler.cc: TABLE test marker insert NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab insert NULL wait/io/table/sql/handler handler.cc: TABLE test marker insert NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test marker insert NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab update NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab update NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab update NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test marker insert NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test marker insert NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab delete NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test marker insert NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test marker insert NULL wait/io/table/sql/handler handler.cc: TABLE test marker insert NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test no_index_tab fetch NULL wait/io/table/sql/handler handler.cc: TABLE test marker insert NULL wait/io/table/sql/handler handler.cc: TABLE test marker insert NULL 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 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';