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
|
/**
* Tests the auto split will be triggered when using write commands.
*/
var st = new ShardingTest({ shards: 1, other: { chunkSize: 1 }});
st.stopBalancer();
var configDB = st.s.getDB('config');
configDB.adminCommand({ enableSharding: 'test' });
configDB.adminCommand({ shardCollection: 'test.insert', key: { x: 1 }});
var doc1k = (new Array(1024)).join('x');
var testDB = st.s.getDB('test');
jsTest.log('Test single batch insert should auto-split');
assert.eq(1, configDB.chunks.find().itcount());
// Note: Estimated 'chunk size' tracked by mongos is initialized with a random value so
// we are going to be conservative.
for (var x = 0; x < 1100; x++) {
var res = testDB.runCommand({ insert: 'insert',
documents: [{ x: x, v: doc1k }],
ordered: false,
writeConcern: { w: 1 }});
assert(res.ok, 'insert failed: ' + tojson(res));
}
assert.gt(configDB.chunks.find().itcount(), 1);
testDB.dropDatabase();
jsTest.log('Test single batch update should auto-split');
configDB.adminCommand({ enableSharding: 'test' });
configDB.adminCommand({ shardCollection: 'test.update', key: { x: 1 }});
assert.eq(1, configDB.chunks.find().itcount());
for (var x = 0; x < 1100; x++) {
var res = testDB.runCommand({ update: 'update',
updates: [{ q: { x: x }, u: { x: x, v: doc1k }, upsert: true }],
ordered: false,
writeConcern: { w: 1 }});
assert(res.ok, 'update failed: ' + tojson(res));
}
assert.gt(configDB.chunks.find().itcount(), 1);
testDB.dropDatabase();
jsTest.log('Test single delete should not auto-split');
configDB.adminCommand({ enableSharding: 'test' });
configDB.adminCommand({ shardCollection: 'test.delete', key: { x: 1 }});
assert.eq(1, configDB.chunks.find().itcount());
for (var x = 0; x < 1100; x++) {
var res = testDB.runCommand({ delete: 'delete',
deletes: [{ q: { x: x, v: doc1k }, limit : NumberInt(0) }],
ordered: false,
writeConcern: { w: 1 }});
assert(res.ok, 'delete failed: ' + tojson(res));
}
assert.eq(1, configDB.chunks.find().itcount());
testDB.dropDatabase();
jsTest.log('Test batched insert should auto-split');
configDB.adminCommand({ enableSharding: 'test' });
configDB.adminCommand({ shardCollection: 'test.insert', key: { x: 1 }});
assert.eq(1, configDB.chunks.find().itcount());
// Note: Estimated 'chunk size' tracked by mongos is initialized with a random value so
// we are going to be conservative.
for (var x = 0; x < 1100; x += 400) {
var docs = [];
for (var y = 0; y < 400; y++) {
docs.push({ x: (x + y), v: doc1k });
}
var res = testDB.runCommand({ insert: 'insert',
documents: docs,
ordered: false,
writeConcern: { w: 1 }});
assert(res.ok, 'insert failed: ' + tojson(res));
}
assert.gt(configDB.chunks.find().itcount(), 1);
testDB.dropDatabase();
jsTest.log('Test batched update should auto-split');
configDB.adminCommand({ enableSharding: 'test' });
configDB.adminCommand({ shardCollection: 'test.update', key: { x: 1 }});
assert.eq(1, configDB.chunks.find().itcount());
for (var x = 0; x < 1100; x += 400) {
var docs = [];
for (var y = 0; y < 400; y++) {
var id = x + y;
docs.push({ q: { x: id }, u: { x: id, v: doc1k }, upsert: true });
}
var res = testDB.runCommand({ update: 'update',
updates: docs,
ordered: false,
writeConcern: { w: 1 }});
assert(res.ok, 'update failed: ' + tojson(res));
}
assert.gt(configDB.chunks.find().itcount(), 1);
testDB.dropDatabase();
jsTest.log('Test batched delete should not auto-split');
configDB.adminCommand({ enableSharding: 'test' });
configDB.adminCommand({ shardCollection: 'test.delete', key: { x: 1 }});
assert.eq(1, configDB.chunks.find().itcount());
for (var x = 0; x < 1100; x += 400) {
var docs = [];
for (var y = 0; y < 400; y++) {
var id = x + y;
docs.push({ q: { x: id, v: doc1k }, top: 0 });
}
var res = testDB.runCommand({ delete: 'delete',
deletes: [{ q: { x: x, v: doc1k }, limit : NumberInt(0) }],
ordered: false,
writeConcern: { w: 1 }});
assert(res.ok, 'delete failed: ' + tojson(res));
}
assert.eq(1, configDB.chunks.find().itcount());
st.stop();
|
