flush global status;
SET @saved_thread_cache_size = @@global.thread_cache_size;
set global thread_cache_size = 0 ;
show global variables like "thread_cache_size" ;
Variable_name Value
thread_cache_size 0
connect con1, localhost, root, , ;
connect con2, localhost, root, , ;
connection default;
select @id_increment;
@id_increment
1
select @thread_id_increment;
@thread_id_increment
1
disconnect con2;
connection default;
connect con3, localhost, root, , ;
disconnect con3;
disconnect con1;
connection default;
select @id_increment;
@id_increment
1
select @thread_id_increment;
@thread_id_increment
1
set global thread_cache_size = 100 ;
show global variables like "thread_cache_size" ;
Variable_name Value
thread_cache_size 100
connect con1, localhost, root, , ;
connect con2, localhost, root, , ;
connection default;
select @id_increment;
@id_increment
1
select @thread_id_increment;
@thread_id_increment
1
disconnect con2;
connection default;
connect con3, localhost, root, , ;
disconnect con3;
disconnect con1;
connection default;
select @id_increment;
@id_increment
1
select @thread_id_increment;
@thread_id_increment
1
set global thread_cache_size = @saved_thread_cache_size;
show global status like "performance_schema_thread%" ;
Variable_name Value
Performance_schema_thread_classes_lost 0
Performance_schema_thread_instances_lost 0
Messung V0.5 in Prozent C=41 H=100 G=76
¤ Dauer der Verarbeitung: 0.18 Sekunden
(vorverarbeitet am 2026-10-08)
¤
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