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
|
SET GLOBAL binlog_gtid_index= 0;
SET GLOBAL binlog_gtid_index= 1;
SET @gtid1= @@gtid_binlog_pos;
CREATE TABLE t1 (a INT PRIMARY KEY);
SET @gtid2= @@gtid_binlog_pos;
INSERT INTO t1 VALUES (1);
SET @gtid3= @@gtid_binlog_pos;
INSERT INTO t1 VALUES (2);
INSERT INTO t1 VALUES (3);
INSERT INTO t1 VALUES (4);
SET @gtid4= @@gtid_binlog_pos;
INSERT INTO t1 VALUES (5);
SET @gtid5= @@gtid_binlog_pos;
SET @gtid6= @@gtid_binlog_pos;
INSERT INTO t1 VALUES (106);
INSERT INTO t1 VALUES (107);
Ok
1
Ok
1
Ok
1
Ok
1
Ok
1
Ok
1
FLUSH BINARY LOGS;
Ok
1
Ok
1
Ok
1
Ok
1
Ok
1
Ok
1
*** Test that purge deletes the gtid index files. ***
FLUSH BINARY LOGS;
INSERT INTO t1 VALUES (200);
FLUSH BINARY LOGS;
INSERT INTO t1 VALUES (201);
FLUSH BINARY LOGS;
INSERT INTO t1 VALUES (202);
PURGE BINARY LOGS TO 'FILE';
*** Test missed index lookup due to missing or corrupt index file.
FLUSH NO_WRITE_TO_BINLOG BINARY LOGS;
INSERT INTO t1 VALUES (301);
INSERT INTO t1 VALUES (302);
INSERT INTO t1 VALUES (303);
SET @gtid_pos= @@GLOBAL.gtid_binlog_pos;
INSERT INTO t1 VALUES (304);
INSERT INTO t1 VALUES (305);
FLUSH NO_WRITE_TO_BINLOG GLOBAL STATUS;
+++ Initial status:
SHOW STATUS LIKE 'binlog_gtid_index_%';
Variable_name Value
Binlog_gtid_index_hit 0
Binlog_gtid_index_miss 0
+++ GTID Lookup in good index.
Gtid_Lookup_Ok
1
SHOW STATUS LIKE 'binlog_gtid_index_%';
Variable_name Value
Binlog_gtid_index_hit 1
Binlog_gtid_index_miss 0
+++ GTID Lookup, index file is missing.
Gtid_Lookup_Ok
1
SHOW STATUS LIKE 'binlog_gtid_index_%';
Variable_name Value
Binlog_gtid_index_hit 1
Binlog_gtid_index_miss 1
FLUSH NO_WRITE_TO_BINLOG BINARY LOGS;
INSERT INTO t1 VALUES (306);
SET @gtid_pos= @@GLOBAL.gtid_binlog_pos;
INSERT INTO t1 VALUES (307);
INSERT INTO t1 VALUES (308);
FLUSH NO_WRITE_TO_BINLOG BINARY LOGS;
+++ GTID Lookup, first page of index is corrupt.
Gtid_Lookup_Ok
1
SHOW STATUS LIKE 'binlog_gtid_index_%';
Variable_name Value
Binlog_gtid_index_hit 1
Binlog_gtid_index_miss 2
SET @old_page_size= @@GLOBAL.binlog_gtid_index_page_size;
SET @old_span_min= @@GLOBAL.binlog_gtid_index_span_min;
SET GLOBAL binlog_gtid_index_page_size= 64;
SET GLOBAL binlog_gtid_index_span_min= 1;
FLUSH NO_WRITE_TO_BINLOG BINARY LOGS;
INSERT INTO t1 VALUES (310);
INSERT INTO t1 VALUES (311);
INSERT INTO t1 VALUES (312);
SET @gtid_pos= @@GLOBAL.gtid_binlog_pos;
INSERT INTO t1 VALUES (313);
INSERT INTO t1 VALUES (314);
INSERT INTO t1 VALUES (315);
INSERT INTO t1 VALUES (316);
FLUSH NO_WRITE_TO_BINLOG BINARY LOGS;
SET GLOBAL binlog_gtid_index_page_size= @old_page_size;
SET GLOBAL binlog_gtid_index_span_min= @old_span_min;
+++ GTID Lookup, root page of index is corrupt.
Gtid_Lookup_Ok
1
SHOW STATUS LIKE 'binlog_gtid_index_%';
Variable_name Value
Binlog_gtid_index_hit 1
Binlog_gtid_index_miss 3
*** Test BINLOG_GTID_POS() with too-large offset.
FLUSH NO_WRITE_TO_BINLOG BINARY LOGS;
INSERT INTO t1 VALUES (401);
INSERT INTO t1 VALUES (402);
+++ Test the hot index.
SELECT BINLOG_GTID_POS('FILE', 100000000);
BINLOG_GTID_POS('FILE', 100000000)
NULL
SHOW STATUS LIKE 'binlog_gtid_index_%';
Variable_name Value
Binlog_gtid_index_hit 2
Binlog_gtid_index_miss 3
FLUSH NO_WRITE_TO_BINLOG BINARY LOGS;
+++ Test the cold index.
SELECT BINLOG_GTID_POS('FILE', 100000000);
BINLOG_GTID_POS('FILE', 100000000)
NULL
SHOW STATUS LIKE 'binlog_gtid_index_%';
Variable_name Value
Binlog_gtid_index_hit 3
Binlog_gtid_index_miss 3
DROP TABLE t1;
|
