Fix for BUG#35107 "maria-preload.test is disabled because unrepeatable page cache statistics"
What varies accross machine is maria_pagecache_read_requests, but maria_pagecache_reads doesn't and
is the most interesting (helps verify that disk wasn't touched after preloading), that's all we keep.
mysql-test/r/maria-preload.result:
unrepeatable variable removed
mysql-test/t/maria-preload.test:
unrepeatable variable removed
storage/maria/ma_test_force_start.pl:
portability fix for running under Windows
information_schema.global_status where variable_name like "Maria_pagecache_read%";
information_schema.global_status where variable_name like "Maria_pagecache_reads";
create table t1 (
a int not null auto_increment,
b char(16) not null,
@ -52,21 +52,18 @@ flush tables;
flush status;
select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Maria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
variable_name g.variable_value-i.variable_value
MARIA_PAGECACHE_READ_REQUESTS 211645
MARIA_PAGECACHE_READS 3
select count(*) from t1 where b = 'test1';
count(*)
4181
select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Maria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
variable_name g.variable_value-i.variable_value
MARIA_PAGECACHE_READ_REQUESTS 211928
MARIA_PAGECACHE_READS 11
select count(*) from t1 where b = 'test1';
count(*)
4181
select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Maria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
variable_name g.variable_value-i.variable_value
MARIA_PAGECACHE_READ_REQUESTS 212211
MARIA_PAGECACHE_READS 12
flush tables;
flush status;
@ -78,20 +75,17 @@ Table Op Msg_type Msg_text
test.t1 preload_keys status OK
select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Maria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
variable_name g.variable_value-i.variable_value
MARIA_PAGECACHE_READ_REQUESTS 212539
MARIA_PAGECACHE_READS 84
select count(*) from t1 where b = 'test1';
count(*)
4181
select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Maria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
variable_name g.variable_value-i.variable_value
MARIA_PAGECACHE_READ_REQUESTS 212822
MARIA_PAGECACHE_READS 85
flush tables;
flush status;
select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Maria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
variable_name g.variable_value-i.variable_value
MARIA_PAGECACHE_READ_REQUESTS 213079
MARIA_PAGECACHE_READS 86
set session preload_buffer_size=256*1024;
select @@preload_buffer_size;
@ -102,20 +96,17 @@ Table Op Msg_type Msg_text
test.t1 preload_keys status OK
select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Maria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
variable_name g.variable_value-i.variable_value
MARIA_PAGECACHE_READ_REQUESTS 213407
MARIA_PAGECACHE_READS 158
select count(*) from t1 where b = 'test1';
count(*)
4181
select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Maria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
variable_name g.variable_value-i.variable_value
MARIA_PAGECACHE_READ_REQUESTS 213690
MARIA_PAGECACHE_READS 165
flush tables;
flush status;
select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Maria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
variable_name g.variable_value-i.variable_value
MARIA_PAGECACHE_READ_REQUESTS 213947
MARIA_PAGECACHE_READS 166
set session preload_buffer_size=1*1024;
select @@preload_buffer_size;
@ -127,7 +118,6 @@ test.t1 preload_keys status OK
test.t2 preload_keys status OK
select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Maria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
variable_name g.variable_value-i.variable_value
MARIA_PAGECACHE_READ_REQUESTS 214318
MARIA_PAGECACHE_READS 281
select count(*) from t1 where b = 'test1';
count(*)
@ -137,13 +127,11 @@ count(*)
2584
select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Maria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
variable_name g.variable_value-i.variable_value
MARIA_PAGECACHE_READ_REQUESTS 214615
MARIA_PAGECACHE_READS 285
flush tables;
flush status;
select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Maria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Maria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
variable_name g.variable_value-i.variable_value
MARIA_PAGECACHE_READ_REQUESTS 215172
MARIA_PAGECACHE_READS 330
flush tables;
flush status;
select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Maria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Maria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;