File: innodb_defragment_fill_factor.test

package info (click to toggle)
mariadb-10.5 1%3A10.5.23-0%2Bdeb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 712,240 kB
  • sloc: ansic: 2,158,658; cpp: 1,843,101; asm: 297,745; perl: 59,967; sh: 53,869; pascal: 38,348; java: 33,919; yacc: 19,639; python: 11,119; xml: 10,126; sql: 10,027; ruby: 8,544; makefile: 6,343; cs: 2,866; lex: 1,205; javascript: 1,037; objc: 80; tcl: 73; awk: 46; php: 22; sed: 16
file content (203 lines) | stat: -rw-r--r-- 9,544 bytes parent folder | download | duplicates (2)
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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
--source include/have_innodb.inc
--source include/big_test.inc
--source include/not_valgrind.inc
--source include/not_embedded.inc
--source include/have_innodb_16k.inc

--echo Testing tables with large records
# Create table.
CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b VARCHAR(256), c VARCHAR(256), KEY SECOND(a, b,c)) ENGINE=INNODB;

# Populate table.
INSERT INTO t1 VALUES (1, REPEAT('A', 256), REPEAT('B', 256));
INSERT INTO t1 (b) SELECT b from t1;
INSERT INTO t1 (b) SELECT b from t1;
INSERT INTO t1 (b) SELECT b from t1;
INSERT INTO t1 (b) SELECT b from t1;
INSERT INTO t1 (b) SELECT b from t1;
INSERT INTO t1 (b) SELECT b from t1;
INSERT INTO t1 (b) SELECT b from t1;
INSERT INTO t1 (b) SELECT b from t1;
INSERT INTO t1 (b) SELECT b from t1;
INSERT INTO t1 (b) SELECT b from t1;

--disable_query_log
let $size = 10;
while ($size)
{
    let $j =  100 * $size;
    eval delete from t1 where a between $j - 20 and $j + 5;
    dec $size;
}
--enable_query_log

SET GLOBAL innodb_fast_shutdown = 0;
--source include/restart_mysqld.inc
optimize table t1;

select count(*) from t1;

--let $primary_before = query_get_value(select count(*) as Value from information_schema.innodb_buffer_page where table_name like '%t1%' and index_name = 'PRIMARY', Value, 1)

select count(*) from t1 force index (second);

--let $second_before = query_get_value(select count(*) as Value from information_schema.innodb_buffer_page where table_name like '%t1%' and index_name = 'second', Value, 1)

--echo # A few more insertions on the page should not cause a page split.
insert into t1 values (81, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (83, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (87, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (82, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (86, REPEAT('A', 256), REPEAT('B', 256));
--let $primary_after = query_get_value(select count(*) as Value from information_schema.innodb_buffer_page where table_name like '%t1%' and index_name = 'PRIMARY', Value, 1)
--let $second_after = query_get_value(select count(*) as Value from information_schema.innodb_buffer_page where table_name like '%t1%' and index_name = 'second', Value, 1)

if ($primary_before != $primary_after) {
   --echo Insertion caused page split on primary, which should be avoided by innodb_defragment_fill_factor.
}

if ($second_before != $second_after) {
   --echo Insertion caused page split on second, which should be avoided by innodb_defragment_fill_factor.
}

--echo # Insert more rows to cause a page split
insert into t1 values (180, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (181, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (182, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (183, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (184, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (185, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (186, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (187, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (188, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (189, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (190, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (191, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (192, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (193, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (194, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (195, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (196, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (197, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (198, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (199, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (200, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (201, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (202, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (203, REPEAT('A', 256), REPEAT('B', 256));
insert into t1 values (204, REPEAT('A', 256), REPEAT('B', 256));

--let $primary_after = query_get_value(select count(*) as Value from information_schema.innodb_buffer_page where table_name like '%t1%' and index_name = 'PRIMARY', Value, 1)

--let $second_after = query_get_value(select count(*) as Value from information_schema.innodb_buffer_page where table_name like '%t1%' and index_name = 'second', Value, 1)

if ($primary_before == $primary_after) {
   --echo Too little space is reserved on primary index.
}

if ($second_before == $second_after) {
   --echo Too little space is reserved on second index.
}

DROP TABLE t1;

--echo Testing table with small records
CREATE TABLE t2 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b VARCHAR(16), c VARCHAR(32), KEY SECOND(a,b,c)) ENGINE=INNODB;
# Populate table.
--disable_query_log
INSERT INTO t2 VALUES (1, REPEAT('A', 16), REPEAT('B', 32));
INSERT INTO t2 (b) SELECT b from t2;
INSERT INTO t2 (b) SELECT b from t2;
INSERT INTO t2 (b) SELECT b from t2;
INSERT INTO t2 (b) SELECT b from t2;
INSERT INTO t2 (b) SELECT b from t2;
INSERT INTO t2 (b) SELECT b from t2;
INSERT INTO t2 (b) SELECT b from t2;
INSERT INTO t2 (b) SELECT b from t2;
INSERT INTO t2 (b) SELECT b from t2;
INSERT INTO t2 (b) SELECT b from t2;
INSERT INTO t2 (b) SELECT b from t2;
INSERT INTO t2 (b) SELECT b from t2;
--enable_query_log

--disable_query_log
let $size = 40;
while ($size)
{
    let $j =  100 * $size;
    eval delete from t2 where a between $j - 20 and $j;
    dec $size;
}
--enable_query_log

SET GLOBAL innodb_fast_shutdown = 0;
--source include/restart_mysqld.inc
optimize table t2;

select count(*) from t2;
select count(*) from t2 force index(second);

--let $second_before = query_get_value(select count(*) as Value from information_schema.innodb_buffer_page where table_name like '%t2%' and index_name = 'second', Value, 1)

--echo The page should have room for about 20 insertions
insert into t2 values(1181, REPEAT('A', 16), REPEAT('B',32));
insert into t2 values(1191, REPEAT('A', 16), REPEAT('B',32));
insert into t2 values(1182, REPEAT('A', 16), REPEAT('B',32));
insert into t2 values(1192, REPEAT('A', 16), REPEAT('B',32));
insert into t2 values(1183, REPEAT('A', 16), REPEAT('B',32));
insert into t2 values(1193, REPEAT('A', 16), REPEAT('B',32));
insert into t2 values(1184, REPEAT('A', 16), REPEAT('B',32));
insert into t2 values(1194, REPEAT('A', 16), REPEAT('B',32));
insert into t2 values(1185, REPEAT('A', 16), REPEAT('B',32));
insert into t2 values(1195, REPEAT('A', 16), REPEAT('B',32));
insert into t2 values(1186, REPEAT('A', 16), REPEAT('B',32));
insert into t2 values(1196, REPEAT('A', 16), REPEAT('B',32));
insert into t2 values(1187, REPEAT('A', 16), REPEAT('B',32));
insert into t2 values(1197, REPEAT('A', 16), REPEAT('B',32));
insert into t2 values(1188, REPEAT('A', 16), REPEAT('B',32));
insert into t2 values(1198, REPEAT('A', 16), REPEAT('B',32));
insert into t2 values(1189, REPEAT('A', 16), REPEAT('B',32));
insert into t2 values(1199, REPEAT('A', 16), REPEAT('B',32));
insert into t2 values(1190, REPEAT('A', 16), REPEAT('B',32));
insert into t2 values(1180, REPEAT('A', 16), REPEAT('B',32));

--let $second_after = query_get_value(select count(*) as Value from information_schema.innodb_buffer_page where table_name like '%t2%' and index_name = 'second', Value, 1)

if ($second_before != $second_after) {
   --echo Insertion caused page split on second, which should be avoided by innodb_defragment_fill_factor.
}

--echo # Insert more rows to cause a page split
insert into t2 values (180, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (181, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (182, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (183, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (184, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (185, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (186, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (187, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (188, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (189, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (190, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (191, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (192, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (193, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (194, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (195, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (196, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (197, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (198, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (199, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (200, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (201, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (202, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (203, REPEAT('A', 16), REPEAT('B', 32));
insert into t2 values (204, REPEAT('A', 16), REPEAT('B', 32));

--let $second_after = query_get_value(select count(*) as Value from information_schema.innodb_buffer_page where table_name like '%t2%' and index_name = 'second', Value, 1)

if ($second_before == $second_after) {
   --echo Too little space is reserved on second index.
}

DROP TABLE t2;