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
|
/**
* Tests a race condition between a user interrupting an index build and the node stepping-down. The
* nature of this problem is that the stepping-down node is not able to replicate an abortIndexBuild
* oplog entry after the user kills the operation. The old primary will rely on the new primary to
* replicate a commitIndexBuild oplog entry after the takeover.
*
* @tags: [
* requires_replication,
* ]
*/
(function() {
"use strict";
load('jstests/noPassthrough/libs/index_build.js');
load("jstests/libs/fail_point_util.js");
const rst = new ReplSetTest({
nodes: [
{},
{},
]
});
rst.startSet();
rst.initiate();
const primary = rst.getPrimary();
const testDB = primary.getDB('test');
const coll = testDB.getCollection('test');
assert.commandWorked(coll.insert({a: 1}));
let res = assert.commandWorked(primary.adminCommand(
{configureFailPoint: 'hangBeforeIndexBuildAbortOnInterrupt', mode: 'alwaysOn'}));
const hangBeforeAbortFailpointTimesEntered = res.count;
IndexBuildTest.pauseIndexBuilds(primary);
const createIdx = IndexBuildTest.startIndexBuild(
primary, coll.getFullName(), {a: 1}, {}, [ErrorCodes.Interrupted]);
// When the index build starts, find its op id. This will be the op id of the client connection, not
// the thread pool task managed by IndexBuildsCoordinatorMongod.
const filter = {
"desc": {$regex: /conn.*/}
};
const opId = IndexBuildTest.waitForIndexBuildToStart(testDB, coll.getName(), 'a_1', filter);
// Kill the index build.
assert.commandWorked(testDB.killOp(opId));
// Wait for the command thread to observe the killOp.
assert.commandWorked(primary.adminCommand({
waitForFailPoint: "hangBeforeIndexBuildAbortOnInterrupt",
timesEntered: hangBeforeAbortFailpointTimesEntered + 1,
maxTimeMS: kDefaultWaitForFailPointTimeout
}));
// Step down the primary, preventing the index build from generating an abort oplog entry.
assert.commandWorked(testDB.adminCommand({replSetStepDown: 30, force: true}));
// Let the command thread try to abort the index build.
assert.commandWorked(primary.adminCommand(
{configureFailPoint: 'hangBeforeIndexBuildAbortOnInterrupt', mode: 'off'}));
// Unable to abort index build because we are not primary.
checkLog.containsJson(primary, 20449);
createIdx();
// Let the index build continue running.
IndexBuildTest.resumeIndexBuilds(primary);
// Wait for the index build to stop.
IndexBuildTest.waitForIndexBuildToStop(testDB);
// With two phase index builds, a stepdown will not abort the index build, which should complete
// after a new node becomes primary.
rst.awaitReplication();
// The old primary, now secondary, should process the commitIndexBuild oplog entry.
const secondaryColl = rst.getSecondary().getCollection(coll.getFullName());
IndexBuildTest.assertIndexes(coll, 2, ['_id_', 'a_1'], [], {includeBuildUUIDs: true});
IndexBuildTest.assertIndexes(secondaryColl, 2, ['_id_', 'a_1'], [], {includeBuildUUIDs: true});
rst.stopSet();
})();
|
