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
|
'use strict';
/**
* update_ordered_bulk_inc.js
*
* Inserts multiple documents into a collection. Each thread performs a
* bulk update operation to select the document and increment a particular
* field. Asserts that the field has the correct value based on the number
* of increments performed.
*
* Uses an ordered, bulk operation to perform the updates.
*/
// For isMongod and supportsDocumentLevelConcurrency.
load('jstests/concurrency/fsm_workload_helpers/server_types.js');
var $config = (function() {
var states = {
init: function init(db, collName) {
this.fieldName = 't' + this.tid;
},
update: function update(db, collName) {
var updateDoc = {$inc: {}};
updateDoc.$inc[this.fieldName] = 1;
var bulk = db[collName].initializeOrderedBulkOp();
for (var i = 0; i < this.docCount; ++i) {
bulk.find({_id: i}).update(updateDoc);
}
var result = bulk.execute();
// TODO: this actually does assume that there are no unique indexes.
// but except for weird cases like that, it is valid even when other
// threads are modifying the same collection
assertAlways.eq(0, result.getWriteErrorCount());
++this.count;
},
find: function find(db, collName) {
var docs = db[collName].find().toArray();
// We aren't updating any fields in any indexes, so we should always see all
// matching documents, since they would not be able to move ahead or behind
// our collection scan or index scan.
assertWhenOwnColl.eq(this.docCount, docs.length);
if (isMongod(db) && supportsDocumentLevelConcurrency(db)) {
// Storage engines which support document-level concurrency will automatically retry
// any operations when there are conflicts, so we should have updated all matching
// documents.
docs.forEach(function(doc) {
assertWhenOwnColl.eq(this.count, doc[this.fieldName]);
}, this);
}
docs.forEach(function(doc) {
// If the document hasn't been updated at all, then the field won't exist.
if (doc.hasOwnProperty(this.fieldName)) {
assertWhenOwnColl.lte(doc[this.fieldName], this.count);
}
assertWhenOwnColl.lt(doc._id, this.docCount);
}, this);
}
};
var transitions = {init: {update: 1}, update: {find: 1}, find: {update: 1}};
function setup(db, collName, cluster) {
this.count = 0;
for (var i = 0; i < this.docCount; ++i) {
db[collName].insert({_id: i});
}
}
return {
threadCount: 10,
iterations: 20,
states: states,
transitions: transitions,
setup: setup,
data: {docCount: 15}
};
})();
|
