mirror of
https://github.com/MariaDB/server.git
synced 2025-08-21 16:03:24 +03:00
1ef07d0845
Also fixed a bug in sql_update.cc: the code of mysql_update() lacked a call of set_statistics_for_table().
71 lines
3.3 KiB
Plaintext
71 lines
3.3 KiB
Plaintext
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/file/myisam/%";
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update performance_schema.setup_consumers
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set enabled='YES';
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truncate table performance_schema.events_waits_history_long;
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flush status;
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drop table if exists test.no_index_tab;
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create table test.no_index_tab ( a varchar(255), b int ) engine=myisam;
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insert into no_index_tab set a = 'foo', b = 1;
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insert into no_index_tab set a = 'foo', b = 1;
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insert into no_index_tab set a = 'foo', b = 1;
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select event_name,
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left(source, locate(":", source)) as short_source,
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operation, number_of_bytes,
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substring(object_name, locate("no_index_tab", object_name)) as short_name
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from performance_schema.events_waits_history_long
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where operation not like "tell"
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and event_name like "wait/io/file/myisam/%"
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having short_name <> ""
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order by thread_id, event_id;
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event_name short_source operation number_of_bytes short_name
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wait/io/file/myisam/kfile mi_create.c: create NULL no_index_tab.MYI
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wait/io/file/myisam/dfile mi_create.c: create NULL no_index_tab.MYD
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wait/io/file/myisam/kfile mi_open.c: write 176 no_index_tab.MYI
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wait/io/file/myisam/kfile mi_open.c: write 100 no_index_tab.MYI
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wait/io/file/myisam/kfile mi_open.c: write 7 no_index_tab.MYI
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wait/io/file/myisam/kfile mi_open.c: write 7 no_index_tab.MYI
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wait/io/file/myisam/kfile mi_open.c: write 7 no_index_tab.MYI
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wait/io/file/myisam/kfile mi_create.c: chsize 1024 no_index_tab.MYI
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wait/io/file/myisam/dfile mi_create.c: close NULL no_index_tab.MYD
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wait/io/file/myisam/kfile mi_create.c: close NULL no_index_tab.MYI
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wait/io/file/myisam/kfile mi_open.c: open NULL no_index_tab.MYI
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wait/io/file/myisam/kfile mi_open.c: read 24 no_index_tab.MYI
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wait/io/file/myisam/kfile mi_open.c: seek NULL no_index_tab.MYI
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wait/io/file/myisam/kfile mi_open.c: read 297 no_index_tab.MYI
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wait/io/file/myisam/dfile mi_open.c: open NULL no_index_tab.MYD
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wait/io/file/myisam/kfile mi_locking.c: write 3 no_index_tab.MYI
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wait/io/file/myisam/dfile mi_dynrec.c: write 20 no_index_tab.MYD
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wait/io/file/myisam/kfile mi_open.c: write 124 no_index_tab.MYI
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wait/io/file/myisam/dfile mi_dynrec.c: write 20 no_index_tab.MYD
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wait/io/file/myisam/kfile mi_open.c: write 124 no_index_tab.MYI
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wait/io/file/myisam/dfile mi_dynrec.c: write 20 no_index_tab.MYD
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wait/io/file/myisam/kfile mi_open.c: write 124 no_index_tab.MYI
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show 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_locker_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_rwlock_classes_lost 0
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Performance_schema_rwlock_instances_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_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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update performance_schema.setup_instruments set enabled='YES';
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drop table test.no_index_tab;
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