mirror of
https://github.com/MariaDB/server.git
synced 2025-02-01 11:31:51 +01:00
68 lines
1.6 KiB
Text
68 lines
1.6 KiB
Text
drop table if exists t1;
|
|
create table t1 (a int not null);
|
|
insert into t1 values (1), (2), (3);
|
|
SET GLOBAL query_cache_size=1355776;
|
|
flush query cache;
|
|
reset query cache;
|
|
flush status;
|
|
select * from t1;
|
|
a
|
|
1
|
|
2
|
|
3
|
|
show status like "Qcache_queries_in_cache";
|
|
Variable_name Value
|
|
Qcache_queries_in_cache 1
|
|
show status like "Qcache_inserts";
|
|
Variable_name Value
|
|
Qcache_inserts 1
|
|
show status like "Qcache_hits";
|
|
Variable_name Value
|
|
Qcache_hits 0
|
|
select * from t1;
|
|
a
|
|
1
|
|
2
|
|
3
|
|
show status like "Qcache_queries_in_cache";
|
|
Variable_name Value
|
|
Qcache_queries_in_cache 1
|
|
show status like "Qcache_inserts";
|
|
Variable_name Value
|
|
Qcache_inserts 1
|
|
show status like "Qcache_hits";
|
|
Variable_name Value
|
|
Qcache_hits 1
|
|
select spins from performance_schema.events_waits_current order by event_name limit 1;
|
|
spins
|
|
NULL
|
|
select * from performance_schema.setup_timers where name='wait';
|
|
NAME TIMER_NAME
|
|
wait CYCLE
|
|
show status like "Qcache_queries_in_cache";
|
|
Variable_name Value
|
|
Qcache_queries_in_cache 1
|
|
show status like "Qcache_inserts";
|
|
Variable_name Value
|
|
Qcache_inserts 1
|
|
show status like "Qcache_hits";
|
|
Variable_name Value
|
|
Qcache_hits 1
|
|
select spins from performance_schema.events_waits_current order by event_name limit 1;
|
|
spins
|
|
NULL
|
|
select * from performance_schema.setup_timers where name='wait';
|
|
NAME TIMER_NAME
|
|
wait CYCLE
|
|
show status like "Qcache_queries_in_cache";
|
|
Variable_name Value
|
|
Qcache_queries_in_cache 1
|
|
show status like "Qcache_inserts";
|
|
Variable_name Value
|
|
Qcache_inserts 1
|
|
show status like "Qcache_hits";
|
|
Variable_name Value
|
|
Qcache_hits 1
|
|
SET GLOBAL query_cache_size= default;
|
|
drop table t1;
|
|
flush status;
|