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
|
/*
test durability
*/
var debugging = false;
var testname = "dur1";
var step = 1;
var conn = null;
function runDiff(a, b) {
function reSlash(s) {
var x = s;
if (_isWindows()) {
while (1) {
var y = x.replace('/', '\\');
if (y == x)
break;
x = y;
}
}
return x;
}
a = reSlash(a);
b = reSlash(b);
print("diff " + a + " " + b);
return run("diff", a, b);
}
function log(str) {
print();
if(str)
print(testname+" step " + step++ + " " + str);
else
print(testname+" step " + step++);
}
// if you do inserts here, you will want to set _id. otherwise they won't match on different
// runs so we can't do a binary diff of the resulting files to check they are consistent.
function work() {
log("work");
var d = conn.getDB("test");
d.foo.insert({ _id: 3, x: 22 });
d.foo.insert({ _id: 4, x: 22 });
d.a.insert({ _id: 3, x: 22, y: [1, 2, 3] });
d.a.insert({ _id: 4, x: 22, y: [1, 2, 3] });
d.a.update({ _id: 4 }, { $inc: { x: 1} });
// try building an index. however, be careful as object id's in system.indexes would vary, so we do it manually:
d.system.indexes.insert({ _id: 99, ns: "test.a", key: { x: 1 }, name: "x_1", v: 0 });
// d.a.update({ _id: 4 }, { $inc: { x: 1} });
// d.a.reIndex();
// assure writes applied in case we kill -9 on return from this function
d.getLastError();
log("endwork");
return d;
}
function verify() {
log("verify");
var d = conn.getDB("test");
var ct = d.foo.count();
if (ct != 2) {
print("\n\n\nFAIL dur1.js count is wrong in verify(): " + ct + "\n\n\n");
assert(ct == 2);
}
}
if( debugging ) {
// mongod already running in debugger
conn = db.getMongo();
work();
sleep(30000);
quit();
}
log();
// directories
var path1 = "/data/db/" + testname+"nodur";
var path2 = "/data/db/" + testname+"dur";
// non-durable version
log();
conn = startMongodEmpty("--port", 30000, "--dbpath", path1, "--nodur", "--smallfiles");
work();
stopMongod(30000);
// durable version
log();
conn = startMongodEmpty("--port", 30001, "--dbpath", path2, "--dur", "--smallfiles", "--durOptions", 8);
work();
// wait for group commit.
printjson(conn.getDB('admin').runCommand({getlasterror:1, fsync:1}));
// kill the process hard
stopMongod(30001, /*signal*/9);
// journal file should be present, and non-empty as we killed hard
// restart and recover
log();
conn = startMongodNoReset("--port", 30002, "--dbpath", path2, "--dur", "--smallfiles", "--durOptions", 8);
verify();
log("stop");
stopMongod(30002);
// stopMongod seems to be asynchronous (hmmm) so we sleep here.
sleep(5000);
// at this point, after clean shutdown, there should be no journal files
log("check no journal files");
{
if (listFiles(path2 + "/journal") != []) {
// wait longer, stopMongod isn't synchronous
sleep(8000);
assert.eq( [], listFiles(path2 + "/journal"), "error seems to be journal files present after a clean mongod shutdown" );
}
}
log("check data matches ns");
var diff = runDiff(path1 + "/test.ns", path2 + "/test.ns");
if (diff != "") {
print("\n\n\nDIFFERS\n");
print(diff);
}
assert(diff == "", "error test.ns files differ");
log("check data matches .0");
var diff = runDiff(path1 + "/test.0", path2 + "/test.0");
if (diff != "") {
print("\n\n\nDIFFERS\n");
print(diff);
}
assert(diff == "", "error test.0 files differ");
log("check data matches done");
print(testname + " SUCCESS");
|
