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
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
/**
* Tests correctness of time-series bucket granularity configuration.
*
* @tags: [
* assumes_against_mongod_not_mongos,
* assumes_no_implicit_collection_creation_after_drop,
* assumes_unsharded_collection,
* # This test depends on certain writes ending up in the same bucket. Stepdowns may result in
* # writes splitting between two primaries, and thus different buckets.
* does_not_support_stepdowns,
* does_not_support_transactions,
* requires_timeseries,
* # Same goes for tenant migrations.
* tenant_migration_incompatible,
* disabled_due_to_server_58295
* ]
*/
(function() {
function verifyViewPipeline(coll) {
const cProps =
db.runCommand({listCollections: 1, filter: {name: coll.getName()}}).cursor.firstBatch[0];
const cSeconds = cProps.options.timeseries.bucketMaxSpanSeconds;
const vProps = db.system.views.find({_id: `${db.getName()}.${coll.getName()}`}).toArray()[0];
const vSeconds = vProps.pipeline[0].$_internalUnpackBucket.bucketMaxSpanSeconds;
assert.eq(cSeconds,
vSeconds,
`expected view pipeline 'bucketMaxSpanSeconds' to match timeseries options`);
}
(function testSeconds() {
let coll = db.granularitySeconds;
coll.drop();
assert.commandWorked(db.createCollection(
coll.getName(), {timeseries: {timeField: 't', granularity: 'seconds'}}));
// All measurements land in the same bucket.
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T20:00:00.000Z")}));
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T20:00:03.000Z")}));
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T20:00:59.999Z")}));
assert.eq(1, db.system.buckets.granularitySeconds.find().itcount());
// Expect bucket max span to be one hour. A new measurement outside of this range should create
// a new bucket.
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T20:59:59.999Z")}));
assert.eq(1, db.system.buckets.granularitySeconds.find().itcount());
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T21:00:00.000Z")}));
assert.eq(2, db.system.buckets.granularitySeconds.find().itcount());
})();
(function testMinutes() {
let coll = db.granularityMinutes;
coll.drop();
assert.commandWorked(db.createCollection(
coll.getName(), {timeseries: {timeField: 't', granularity: 'minutes'}}));
// All measurements land in the same bucket.
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T20:00:00.000Z")}));
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T20:22:02.000Z")}));
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T20:59:59.999Z")}));
assert.eq(1, db.system.buckets.granularityMinutes.find().itcount());
// Expect bucket max span to be one day. A new measurement outside of this range should create
// a new bucket.
assert.commandWorked(coll.insert({t: ISODate("2021-04-23T19:59:59.999Z")}));
assert.eq(1, db.system.buckets.granularityMinutes.find().itcount());
assert.commandWorked(coll.insert({t: ISODate("2021-04-23T20:00:00.000Z")}));
assert.eq(2, db.system.buckets.granularityMinutes.find().itcount());
})();
(function testHours() {
let coll = db.granularityHours;
coll.drop();
assert.commandWorked(
db.createCollection(coll.getName(), {timeseries: {timeField: 't', granularity: 'hours'}}));
// All measurements land in the same bucket.
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T00:00:00.000Z")}));
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T20:11:03.000Z")}));
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T23:59:59.999Z")}));
assert.eq(1, db.system.buckets.granularityHours.find().itcount());
// Expect bucket max span to be 30 days. A new measurement outside of this range should create
// a new bucket.
assert.commandWorked(coll.insert({t: ISODate("2021-05-21T23:59:59.999Z")}));
assert.eq(1, db.system.buckets.granularityHours.find().itcount());
assert.commandWorked(coll.insert({t: ISODate("2021-05-22T00:00:00.000Z")}));
assert.eq(2, db.system.buckets.granularityHours.find().itcount());
})();
(function testIncreasingSecondsToMinutes() {
let coll = db.granularitySecondsToMinutes;
coll.drop();
assert.commandWorked(db.createCollection(
coll.getName(), {timeseries: {timeField: 't', granularity: 'seconds'}}));
verifyViewPipeline(coll);
// All measurements land in the same bucket.
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T20:00:00.000Z")}));
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T20:00:03.000Z")}));
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T20:00:59.999Z")}));
assert.eq(1, db.system.buckets.granularitySecondsToMinutes.find().itcount());
// Expect bucket max span to be one hour. A new measurement outside of this range should create
// a new bucket.
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T20:59:59.999Z")}));
assert.eq(1, db.system.buckets.granularitySecondsToMinutes.find().itcount());
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T21:00:00.000Z")}));
assert.eq(2, db.system.buckets.granularitySecondsToMinutes.find().itcount());
// Now let's bump to minutes and make sure we get the expected behavior
assert.commandWorked(
db.runCommand({collMod: coll.getName(), timeseries: {granularity: 'minutes'}}));
verifyViewPipeline(coll);
// All measurements land in the same bucket.
assert.commandWorked(coll.insert({t: ISODate("2021-04-23T20:00:00.000Z")}));
assert.commandWorked(coll.insert({t: ISODate("2021-04-23T20:22:02.000Z")}));
assert.commandWorked(coll.insert({t: ISODate("2021-04-23T20:59:59.999Z")}));
assert.eq(2, db.system.buckets.granularitySecondsToMinutes.find().itcount());
// Expect bucket max span to be one day. A new measurement outside of this range should create
// a new bucket.
assert.commandWorked(coll.insert({t: ISODate("2021-04-23T21:00:00.000Z")}));
assert.eq(3, db.system.buckets.granularitySecondsToMinutes.find().itcount());
// Make sure when we query, we use the new bucket max span to make sure we get all matches
assert.eq(4, coll.find({t: {$gt: ISODate("2021-04-23T19:00:00.000Z")}}).itcount());
})();
(function testIncreasingSecondsToHours() {
let coll = db.granularitySecondsToHours;
coll.drop();
assert.commandWorked(db.createCollection(
coll.getName(), {timeseries: {timeField: 't', granularity: 'seconds'}}));
verifyViewPipeline(coll);
// All measurements land in the same bucket.
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T20:00:00.000Z")}));
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T20:00:03.000Z")}));
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T20:00:59.999Z")}));
assert.eq(1, db.system.buckets.granularitySecondsToHours.find().itcount());
// Expect bucket max span to be one hour. A new measurement outside of this range should create
// a new bucket.
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T20:59:59.999Z")}));
assert.eq(1, db.system.buckets.granularitySecondsToHours.find().itcount());
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T21:00:00.000Z")}));
assert.eq(2, db.system.buckets.granularitySecondsToHours.find().itcount());
assert.commandWorked(
db.runCommand({collMod: coll.getName(), timeseries: {granularity: 'hours'}}));
verifyViewPipeline(coll);
// All measurements land in the same bucket.
assert.commandWorked(coll.insert({t: ISODate("2021-05-22T00:00:00.000Z")}));
assert.commandWorked(coll.insert({t: ISODate("2021-05-22T18:11:03.000Z")}));
assert.commandWorked(coll.insert({t: ISODate("2021-05-22T20:59:59.999Z")}));
assert.eq(2, db.system.buckets.granularitySecondsToHours.find().itcount());
// Expect bucket max span to be 30 days. A new measurement outside of this range should create
// a new bucket.
assert.commandWorked(coll.insert({t: ISODate("2021-05-22T21:00:00.001Z")}));
assert.eq(3, db.system.buckets.granularitySecondsToHours.find().itcount());
// Make sure when we query, we use the new bucket max span to make sure we get all matches
assert.eq(4, coll.find({t: {$gt: ISODate("2021-05-21T00:00:00.000Z")}}).itcount());
})();
(function testIncreasingMinutesToHours() {
let coll = db.granularityMinutesToHours;
coll.drop();
assert.commandWorked(db.createCollection(
coll.getName(), {timeseries: {timeField: 't', granularity: 'minutes'}}));
verifyViewPipeline(coll);
// All measurements land in the same bucket.
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T20:00:00.000Z")}));
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T20:22:02.000Z")}));
assert.commandWorked(coll.insert({t: ISODate("2021-04-22T20:59:59.999Z")}));
assert.eq(1, db.system.buckets.granularityMinutesToHours.find().itcount());
// Expect bucket max span to be one day. A new measurement outside of this range should create
// a new bucket.
assert.commandWorked(coll.insert({t: ISODate("2021-04-23T19:59:59.999Z")}));
assert.eq(1, db.system.buckets.granularityMinutesToHours.find().itcount());
assert.commandWorked(coll.insert({t: ISODate("2021-04-23T20:00:00.000Z")}));
assert.eq(2, db.system.buckets.granularityMinutesToHours.find().itcount());
assert.commandWorked(
db.runCommand({collMod: coll.getName(), timeseries: {granularity: 'hours'}}));
verifyViewPipeline(coll);
// All measurements land in the same bucket.
assert.commandWorked(coll.insert({t: ISODate("2021-05-23T00:00:00.000Z")}));
assert.commandWorked(coll.insert({t: ISODate("2021-05-23T18:11:03.000Z")}));
assert.commandWorked(coll.insert({t: ISODate("2021-05-23T19:59:59.999Z")}));
assert.eq(2, db.system.buckets.granularityMinutesToHours.find().itcount());
// Expect bucket max span to be 30 days. A new measurement outside of this range should create
// a new bucket.
assert.commandWorked(coll.insert({t: ISODate("2021-05-23T20:00:00.001Z")}));
assert.eq(3, db.system.buckets.granularityMinutesToHours.find().itcount());
// Make sure when we query, we use the new bucket max span to make sure we get all matches
assert.eq(4, coll.find({t: {$gt: ISODate("2021-05-22T00:00:00.000Z")}}).itcount());
})();
(function testReducingGranularityFails() {
let coll = db.reducingGranularityFails;
coll.drop();
assert.commandWorked(db.createCollection(
coll.getName(), {timeseries: {timeField: 't', granularity: 'minutes'}}));
// Decreasing minutes -> seconds shouldn't work.
assert.commandFailed(
db.runCommand({collMod: coll.getName(), timeseries: {granularity: 'seconds'}}));
// Increasing minutes -> hours should work fine.
assert.commandWorked(
db.runCommand({collMod: coll.getName(), timeseries: {granularity: 'hours'}}));
// Decreasing hours -> minutes shouldn't work.
assert.commandFailed(
db.runCommand({collMod: coll.getName(), timeseries: {granularity: 'minutes'}}));
// Decreasing hours -> seconds shouldn't work either.
assert.commandFailed(
db.runCommand({collMod: coll.getName(), timeseries: {granularity: 'seconds'}}));
})();
})();
|
