Eine aufbereitete Darstellung der Quelle

 
     
 
 
Anforderungen  |   Konzepte  |   Entwurf  |   Entwicklung  |   Qualitätssicherung  |   Lebenszyklus  |   Steuerung
 
 
 
 

Benutzer

Quelle  privilege_table_io.result   Sprache: Lisp

 

# restart
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 global status;
flush tables;
# We are forced to suppress here the server response.
optimize table mysql.user;
optimize table mysql.db;
optimize table mysql.proxies_priv;
optimize table mysql.roles_mapping;
optimize table mysql.tables_priv;
optimize table mysql.procs_priv;
optimize table mysql.servers;
optimize table mysql.roles_mapping;
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%";
Variable_name Value
performance_schema ON
performance_schema_accounts_size 100
performance_schema_digests_size 200
performance_schema_events_stages_history_long_size 1000
performance_schema_events_stages_history_size 10
performance_schema_events_statements_history_long_size 1000
performance_schema_events_statements_history_size 10
performance_schema_events_transactions_history_long_size 1000
performance_schema_events_transactions_history_size 10
performance_schema_events_waits_history_long_size 10000
performance_schema_events_waits_history_size 10
performance_schema_hosts_size 100
performance_schema_max_cond_classes 90
performance_schema_max_cond_instances 1500
performance_schema_max_digest_length 1024
performance_schema_max_file_classes 80
performance_schema_max_file_handles 32768
performance_schema_max_file_instances 10000
performance_schema_max_index_stat 5000
performance_schema_max_memory_classes 320
performance_schema_max_metadata_locks 10000
performance_schema_max_mutex_classes 210
performance_schema_max_mutex_instances 5000
performance_schema_max_prepared_statements_instances 100
performance_schema_max_program_instances 5000
performance_schema_max_rwlock_classes 50
performance_schema_max_rwlock_instances 5000
performance_schema_max_socket_classes 10
performance_schema_max_socket_instances 1000
performance_schema_max_sql_text_length 1024
performance_schema_max_stage_classes 170
performance_schema_max_statement_classes 227
performance_schema_max_statement_stack 10
performance_schema_max_table_handles 1000
performance_schema_max_table_instances 500
performance_schema_max_table_lock_stat 500
performance_schema_max_thread_classes 50
performance_schema_max_thread_instances 400
performance_schema_session_connect_attrs_size 2048
performance_schema_setup_actors_size 100
performance_schema_setup_objects_size 100
performance_schema_users_size 100
show global 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_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
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  TABLE mysql global_priv fetch 1
wait/io/table/sql/handler  TABLE mysql global_priv fetch 1
wait/io/table/sql/handler  TABLE mysql global_priv fetch 1
wait/io/table/sql/handler  TABLE mysql global_priv fetch 1
wait/io/table/sql/handler  TABLE mysql global_priv fetch 1
wait/io/table/sql/handler  TABLE mysql global_priv fetch 1
wait/io/table/sql/handler  TABLE mysql db fetch 1
wait/io/table/sql/handler  TABLE mysql proxies_priv fetch 1
wait/io/table/sql/handler  TABLE mysql proxies_priv fetch 1
wait/io/table/sql/handler  TABLE mysql proxies_priv fetch 1
wait/io/table/sql/handler  TABLE mysql proxies_priv fetch 1
wait/io/table/sql/handler  TABLE mysql proxies_priv fetch 1
wait/io/table/sql/handler  TABLE mysql roles_mapping fetch 1
wait/io/table/sql/handler  TABLE mysql tables_priv fetch 1
wait/io/table/sql/handler  TABLE mysql tables_priv fetch 1
wait/io/table/sql/handler  TABLE mysql procs_priv fetch 1
wait/io/table/sql/handler  TABLE mysql servers fetch 1
wait/io/table/sql/handler  TABLE mysql table_stats fetch 1
wait/io/table/sql/handler  TABLE mysql column_stats fetch 1
wait/io/table/sql/handler  TABLE test marker insert 1
wait/io/table/sql/handler  TABLE test marker insert 1
wait/io/table/sql/handler  TABLE test marker insert 1
show global 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_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 global status;
update performance_schema.setup_consumers set enabled='NO';
truncate performance_schema.events_waits_history_long;
drop table test.marker;
flush global 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';

Messung V0.5 in Prozent
C=80 H=100 G=90

¤ Dauer der Verarbeitung: 0.9 Sekunden  (vorverarbeitet am  2026-10-08) ¤

*© Formatika GbR, Deutschland






Wurzel

Suchen

PVS Prover

Isabelle Prover

NIST Cobol Testsuite

Cephes Mathematical Library

Vienna Development Method

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.






                                                                                                                                                                                                                                                                                                                                                                                                     


Neuigkeiten

     Aktuelles
     Motto des Tages

Open Source Software

     Quellcodebibliothek
     Eigene Quellcodes
     Fremde Quellcodes
     Suchen

Jenseits des Üblichen ....
    

Besucherstatistik

Besucherstatistik

Statistik
#Sources=1126864
#Domains=1897691