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
|
'use strict';
/**
* agg_merge_when_not_matched_insert.js
*
* Tests $merge with "whenNotMatched" set to "insert" concurrently with moveChunk operations on the
* output collection.
*
* @tags: [
* requires_sharding,
* assumes_balancer_off,
* requires_non_retryable_writes,
* incompatible_with_gcov,
*]
*/
load('jstests/concurrency/fsm_libs/extend_workload.js'); // for extendWorkload
load('jstests/concurrency/fsm_workloads/agg_with_chunk_migrations.js'); // for $config
var $config = extendWorkload($config, function($config, $super) {
// Set the collection to run concurrent moveChunk operations as the output collection.
$config.data.collWithMigrations = "agg_merge_when_not_matched_insert";
$config.data.threadRunCount = 0;
let initialMaxCatchUpPercentageBeforeBlockingWrites = null;
$config.states.aggregate = function aggregate(db, collName, connCache) {
const res = db[collName].aggregate([
{
$project: {
"_id.tid": {$literal: this.tid},
"_id.count": {$literal: this.threadRunCount},
"_id.doc": "$_id"
}
},
{
$merge:
{into: this.collWithMigrations, whenMatched: "fail", whenNotMatched: "insert"}
},
]);
// $merge should always return 0 documents.
assert.eq(0, res.itcount());
// If running with causal consistency, the writes may not have propagated to the secondaries
// yet.
assert.soon(() => {
return this.numDocs ==
db[this.collWithMigrations]
.find({"_id.tid": this.tid, "_id.count": this.threadRunCount})
.itcount();
});
this.threadRunCount += 1;
};
// This test is sensitive to low values of the parameter
// maxCatchUpPercentageBeforeBlockingWrites, which can be set by the config server. We set a min
// bound for this parameter here.
$config.setup = function setup(db, collName, cluster) {
$super.setup.apply(this, [db, collName, cluster]);
cluster.executeOnMongodNodes((db) => {
const param = assert.commandWorked(
db.adminCommand({getParameter: 1, maxCatchUpPercentageBeforeBlockingWrites: 1}));
if (param.hasOwnProperty("maxCatchUpPercentageBeforeBlockingWrites")) {
const defaultValue = 10;
if (param.maxCatchUpPercentageBeforeBlockingWrites < defaultValue) {
jsTest.log(
"Parameter `maxCatchUpPercentageBeforeBlockingWrites` value too low: " +
param.maxCatchUpPercentageBeforeBlockingWrites +
". Setting value to default: " + defaultValue + ".");
initialMaxCatchUpPercentageBeforeBlockingWrites =
param.maxCatchUpPercentageBeforeBlockingWrites;
assert.commandWorked(db.adminCommand(
{setParameter: 1, maxCatchUpPercentageBeforeBlockingWrites: defaultValue}));
}
}
});
};
$config.teardown = function teardown(db, collName, cluster) {
if (initialMaxCatchUpPercentageBeforeBlockingWrites) {
jsTest.log(
"Resetting parameter `maxCatchUpPercentageBeforeBlockingWrites` to original value: " +
initialMaxCatchUpPercentageBeforeBlockingWrites);
cluster.executeOnMongodNodes((db) => {
assert.commandWorked(db.adminCommand({
setParameter: 1,
maxCatchUpPercentageBeforeBlockingWrites:
initialMaxCatchUpPercentageBeforeBlockingWrites
}));
});
}
$super.teardown.apply(this, [db, collName, cluster]);
};
return $config;
});
|
