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
|
/**
* Tests that query sampling stops when the collection is dropped or renamed.
*
* @tags: [requires_fcv_71]
*/
(function() {
"use strict";
load("jstests/libs/uuid_util.js"); // for 'extractUUIDFromObject'
load("jstests/sharding/analyze_shard_key/libs/query_sampling_util.js");
function setUpCollection(conn, {isShardedColl, st}) {
const dbName = "testDb-" + extractUUIDFromObject(UUID());
const collName = isShardedColl ? "testCollSharded" : "testCollUnsharded";
const ns = dbName + "." + collName;
const db = conn.getDB(dbName);
assert.commandWorked(db.createCollection(collName));
if (isShardedColl) {
assert(st);
assert.commandWorked(st.s0.adminCommand({enableSharding: dbName}));
st.ensurePrimaryShard(dbName, st.shard0.name);
assert.commandWorked(st.s0.adminCommand({shardCollection: ns, key: {x: 1}}));
assert.commandWorked(st.s0.adminCommand({split: ns, middle: {x: 0}}));
assert.commandWorked(
st.s0.adminCommand({moveChunk: ns, find: {x: 0}, to: st.shard1.shardName}));
}
return {dbName, collName};
}
function enableQuerySampling(conn, dbName, collName, {rst, st}) {
const ns = dbName + "." + collName;
const collUuid = QuerySamplingUtil.getCollectionUuid(conn.getDB(dbName), collName);
assert.commandWorked(
conn.adminCommand({configureQueryAnalyzer: ns, mode: "full", sampleRate: 1000}));
QuerySamplingUtil.waitForActiveSampling(ns, collUuid, {rst, st});
}
function assertNumSampledQueries(conn, ns, expectedNum) {
// Wait for one refresh interval so that if 'expectedNum' is 0 the check doesn't pass just
// because the sampled queries have been flushed.
sleep(queryAnalysisWriterIntervalSecs * 1000);
let sampledQueryDocs;
assert.soon(() => {
const aggRes = assert.commandWorked(conn.adminCommand(
{aggregate: 1, pipeline: [{$listSampledQueries: {namespace: ns}}], cursor: {}}));
sampledQueryDocs = aggRes.cursor.firstBatch;
if (sampledQueryDocs.length >= expectedNum) {
return true;
}
return false;
});
assert.eq(sampledQueryDocs.length, expectedNum, sampledQueryDocs);
}
function testDropCollection(conn, {recreateCollection, isShardedColl, rst, st}) {
assert(rst || st);
assert(!rst || !st);
const {dbName, collName} = setUpCollection(conn, {isShardedColl, st});
const ns = dbName + "." + collName;
const db = conn.getDB(dbName);
jsTest.log(
`Testing dropCollection ${tojson({dbName, collName, isShardedColl, recreateCollection})}`);
enableQuerySampling(conn, dbName, collName, {rst, st});
assert(db.getCollection(collName).drop());
if (recreateCollection) {
assert.commandWorked(db.createCollection(collName));
}
// Verify that no queries get sampled.
assert.commandWorked(db.runCommand({find: collName, filter: {x: 0}}));
assertNumSampledQueries(conn, ns, 0);
if (recreateCollection) {
// Re-enable query sampling and verify that queries get sampled.
enableQuerySampling(conn, dbName, collName, {rst, st});
assert.commandWorked(db.runCommand({find: collName, filter: {x: 0}}));
assertNumSampledQueries(conn, ns, 1);
}
}
function testDropDatabase(conn, {recreateCollection, isShardedColl, rst, st}) {
assert(rst || st);
assert(!rst || !st);
const {dbName, collName} = setUpCollection(conn, {isShardedColl, st});
const ns = dbName + "." + collName;
const db = conn.getDB(dbName);
jsTest.log(`Testing testDropDatabase ${
tojson({dbName, collName, isShardedColl, recreateCollection})}`);
enableQuerySampling(conn, dbName, collName, {rst, st});
assert.commandWorked(db.dropDatabase());
if (recreateCollection) {
assert.commandWorked(db.createCollection(collName));
}
// Verify that no queries get sampled.
assert.commandWorked(db.runCommand({find: collName, filter: {x: 0}}));
assertNumSampledQueries(conn, ns, 0);
if (recreateCollection) {
// Re-enable query sampling and verify that queries get sampled.
enableQuerySampling(conn, dbName, collName, {rst, st});
assert.commandWorked(db.runCommand({find: collName, filter: {x: 0}}));
assertNumSampledQueries(conn, ns, 1);
}
}
function testRenameCollection(conn, {sameDatabase, isShardedColl, rst, st}) {
assert(rst || st);
assert(!rst || !st);
const {dbName, collName} = setUpCollection(conn, {isShardedColl, st});
const srcDbName = dbName;
const srcCollName = collName;
const srcNs = srcDbName + "." + srcCollName;
const srcDb = conn.getDB(srcDbName);
const dstDbName = sameDatabase ? srcDbName : (srcDbName + "New");
const dstCollName = sameDatabase ? (srcCollName + "New") : srcCollName;
const dstNs = dstDbName + "." + dstCollName;
const dstDb = conn.getDB(dstDbName);
assert.commandWorked(dstDb.createCollection(dstCollName));
if (!sameDatabase && st) {
// On a sharded cluster, the src and dst collections must be on same shard.
st.ensurePrimaryShard(dstDbName, st.getPrimaryShardIdForDatabase(srcDbName));
}
jsTest.log(`Testing configuration deletion upon renameCollection ${
tojson({sameDatabase, srcDbName, srcCollName, dstDbName, dstCollName, isShardedColl})}`);
enableQuerySampling(conn, srcDbName, srcCollName, {rst, st});
enableQuerySampling(conn, dstDbName, dstCollName, {rst, st});
assert.commandWorked(conn.adminCommand({renameCollection: srcNs, to: dstNs, dropTarget: true}));
// Verify that no queries get sampled for the src and dst collections.
assert.commandWorked(srcDb.runCommand({find: srcCollName, filter: {x: 0}}));
assertNumSampledQueries(conn, srcNs, 0);
assert.commandWorked(dstDb.runCommand({find: dstCollName, filter: {x: 0}}));
assertNumSampledQueries(conn, dstNs, 0);
// Enable query sampling for the new collection and verify that queries get sampled.
enableQuerySampling(conn, dstDbName, dstCollName, {rst, st});
assert.commandWorked(conn.getDB(dstDbName).runCommand({find: dstCollName, filter: {x: 0}}));
assertNumSampledQueries(conn, dstNs, 1);
}
const queryAnalysisSamplerConfigurationRefreshSecs = 1;
const queryAnalysisWriterIntervalSecs = 1;
const mongodSetParameterOpts = {
queryAnalysisSamplerConfigurationRefreshSecs,
queryAnalysisWriterIntervalSecs,
logComponentVerbosity: tojson({sharding: 2}),
};
const mongosSetParametersOpts = {
queryAnalysisSamplerConfigurationRefreshSecs,
logComponentVerbosity: tojson({sharding: 3})
};
{
const st = new ShardingTest({
shards: 2,
rs: {nodes: 1, setParameter: mongodSetParameterOpts},
mongosOptions: {setParameter: mongosSetParametersOpts}
});
for (let isShardedColl of [true, false]) {
for (let recreateCollection of [true, false]) {
testDropCollection(st.s, {st, recreateCollection, isShardedColl});
testDropDatabase(st.s, {st, recreateCollection, isShardedColl});
}
testRenameCollection(st.s, {st, sameDatabase: true, isShardedColl});
}
// The source database is only allowed to be different from the destination database when the
// collection being renamed is unsharded.
testRenameCollection(st.s, {st, sameDatabase: false, isShardedColl: false});
st.stop();
}
{
const rst = new ReplSetTest({nodes: 1, nodeOptions: {setParameter: mongodSetParameterOpts}});
rst.startSet();
rst.initiate();
const primary = rst.getPrimary();
for (let recreateCollection of [true, false]) {
testDropCollection(primary, {rst, recreateCollection});
testDropDatabase(primary, {rst, recreateCollection});
}
for (let sameDatabase of [true, false]) {
testRenameCollection(primary, {rst, sameDatabase});
}
rst.stopSet();
}
})();
|
