mirror of
https://github.com/MariaDB/server.git
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146 lines
5.8 KiB
Text
146 lines
5.8 KiB
Text
drop table if exists test.marker;
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create table test.marker(a int);
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update performance_schema.setup_consumers set enabled='NO';
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update performance_schema.setup_instruments set enabled='NO';
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update performance_schema.setup_instruments set enabled='YES'
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where name like "wait/io/table/%";
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truncate table performance_schema.events_waits_history_long;
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flush global status;
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flush tables;
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drop table if exists test.no_index_tab;
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update performance_schema.setup_consumers set enabled='YES';
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insert into marker set a = 1;
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create table test.no_index_tab
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( a varchar(255) not null, b int not null) engine = InnoDB;
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insert into marker set a = 1;
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show create table test.no_index_tab;
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Table Create Table
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no_index_tab CREATE TABLE `no_index_tab` (
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`a` varchar(255) NOT NULL,
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`b` int(11) NOT NULL
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
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insert into marker set a = 1;
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insert into test.no_index_tab set a = 'foo', b = 1;
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insert into marker set a = 1;
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insert into test.no_index_tab set a = 'foo', b = 2;
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insert into marker set a = 1;
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insert into test.no_index_tab set a = 'foo', b = 3;
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insert into marker set a = 1;
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select * from test.no_index_tab;
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a b
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foo 1
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foo 2
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foo 3
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insert into marker set a = 1;
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update test.no_index_tab set a = 'bar';
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insert into marker set a = 1;
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select * from test.no_index_tab limit 2;
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a b
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bar 1
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bar 2
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insert into marker set a = 1;
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delete from test.no_index_tab where b = 3;
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insert into marker set a = 1;
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select * from test.no_index_tab;
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a b
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bar 1
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bar 2
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insert into marker set a = 1;
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optimize table test.no_index_tab;
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Table Op Msg_type Msg_text
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test.no_index_tab optimize note Table does not support optimize, doing recreate + analyze instead
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test.no_index_tab optimize status OK
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insert into marker set a = 1;
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select * from test.no_index_tab;
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a b
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bar 1
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bar 2
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insert into marker set a = 1;
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truncate table test.no_index_tab;
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insert into marker set a = 1;
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drop table test.no_index_tab;
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update performance_schema.setup_consumers set enabled='NO';
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select event_name,
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left(source, locate(":", source)) as short_source,
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object_type, object_schema,
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if (locate("#sql-", object_name), "#sql-XXXX", object_name)
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as pretty_name,
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operation, number_of_bytes
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from performance_schema.events_waits_history_long
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where event_name like 'wait/io/table/%'
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and object_schema in ("test")
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order by thread_id, event_id;
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event_name short_source object_type object_schema pretty_name operation number_of_bytes
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test no_index_tab insert 1
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test no_index_tab insert 1
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test no_index_tab insert 1
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test no_index_tab fetch 3
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test no_index_tab fetch 1
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wait/io/table/sql/handler TABLE test no_index_tab update 1
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wait/io/table/sql/handler TABLE test no_index_tab fetch 1
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wait/io/table/sql/handler TABLE test no_index_tab update 1
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wait/io/table/sql/handler TABLE test no_index_tab fetch 1
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wait/io/table/sql/handler TABLE test no_index_tab update 1
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wait/io/table/sql/handler TABLE test no_index_tab fetch 1
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test no_index_tab fetch 2
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test no_index_tab fetch 1
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wait/io/table/sql/handler TABLE test no_index_tab fetch 1
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wait/io/table/sql/handler TABLE test no_index_tab fetch 1
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wait/io/table/sql/handler TABLE test no_index_tab delete 1
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wait/io/table/sql/handler TABLE test no_index_tab fetch 1
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test no_index_tab fetch 2
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test no_index_tab fetch 2
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test marker insert 1
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show global status like 'performance_schema_%';
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Variable_name Value
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Performance_schema_accounts_lost 0
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Performance_schema_cond_classes_lost 0
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Performance_schema_cond_instances_lost 0
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Performance_schema_digest_lost 0
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Performance_schema_file_classes_lost 0
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Performance_schema_file_handles_lost 0
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Performance_schema_file_instances_lost 0
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Performance_schema_hosts_lost 0
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Performance_schema_index_stat_lost 0
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Performance_schema_locker_lost 0
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Performance_schema_memory_classes_lost 0
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Performance_schema_metadata_lock_lost 0
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Performance_schema_mutex_classes_lost 0
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Performance_schema_mutex_instances_lost 0
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Performance_schema_nested_statement_lost 0
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Performance_schema_prepared_statements_lost 0
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Performance_schema_program_lost 0
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Performance_schema_rwlock_classes_lost 0
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Performance_schema_rwlock_instances_lost 0
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Performance_schema_session_connect_attrs_lost 0
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Performance_schema_socket_classes_lost 0
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Performance_schema_socket_instances_lost 0
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Performance_schema_stage_classes_lost 0
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Performance_schema_statement_classes_lost 0
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Performance_schema_table_handles_lost 0
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Performance_schema_table_instances_lost 0
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Performance_schema_table_lock_stat_lost 0
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Performance_schema_thread_classes_lost 0
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Performance_schema_thread_instances_lost 0
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Performance_schema_users_lost 0
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truncate performance_schema.events_waits_history_long;
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flush global status;
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update performance_schema.setup_consumers set enabled='NO';
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truncate performance_schema.events_waits_history_long;
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drop table test.marker;
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flush global status;
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update performance_schema.setup_instruments set enabled='YES';
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update performance_schema.setup_consumers set enabled='YES';
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