blob: 4abb537624a4f2f5ad4fb20513fdb8c414fbfcaa (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
-- source include/have_query_cache.inc
-- source include/have_ndb.inc
-- source include/have_multi_ndb.inc
-- source include/not_embedded.inc
--disable_warnings
drop table if exists t1, t2;
--enable_warnings
# Turn on and reset query cache on server1
connection server1;
echo == Connected to server1 ==;
set GLOBAL query_cache_type=on;
set GLOBAL query_cache_size=1355776;
set GLOBAL ndb_cache_check_time=1;
reset query cache;
flush status;
# Turn on and reset query cache on server2
connection server2;
echo == Connected to server2 ==;
set GLOBAL query_cache_type=on;
set GLOBAL query_cache_size=1355776;
set GLOBAL ndb_cache_check_time=1;
reset query cache;
flush status;
# Create test tables in NDB and load them into cache
# on server1
connection server1;
echo == Connected to server1 ==;
create table t1 (a int) engine=ndbcluster;
create table t2 (a int) engine=ndbcluster;
insert into t1 value (2);
insert into t2 value (3);
select * from t1;
# Run the check query once to load it into qc on server1
select a != 3 from t1;
select * from t2;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
# Connect server2, load table in to cache, then update the table
connection server2;
echo == Connected to server2 ==;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
select * from t1;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
update t1 set a=3 where a=2;
# Connect to server1 and check that cache is invalidated
# and correct data is returned
connection server1;
echo == Connected to server1 ==;
# Loop and wait for max 10 seconds until query cache thread
# has invalidated the cache and the column a in t1 is equal to 3
let $retries=20;
while (`select a != 3 from t1`)
{
dec $retries;
if (!$retries)
{
The query_cache thread failed to invalidate query_cache in 10 seconds;
}
sleep 0.5;
}
# Select from t1 one last time for the result file
# Column a should be 3
select * from t1;
# There should now be three queries in the cache
show status like "Qcache_queries_in_cache";
drop table t1, t2;
# Turn off and reset query cache on server1 and server2
connection server1;
set GLOBAL query_cache_size=0;
set GLOBAL ndb_cache_check_time=0;
reset query cache;
flush status;
connection server2;
set GLOBAL query_cache_size=0;
set GLOBAL ndb_cache_check_time=0;
reset query cache;
flush status;
|
