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/**
* Starts a replica set with arbiter, builds an index in background.
* Kills the secondary once the index build starts with a failpoint.
* The index build should resume when the secondary is restarted.
*
* @tags: [
* requires_persistence,
* requires_journaling,
* requires_replication,
* ]
*/
(function() {
'use strict';
load('jstests/noPassthrough/libs/index_build.js');
// Set up replica set
const replTest = new ReplSetTest({
nodes: [
{},
{
// Disallow elections on secondary.
rsConfig: {
priority: 0,
votes: 0,
},
slowms: 30000, // Don't log slow operations on secondary. See SERVER-44821.
},
]
});
// We need an arbiter to ensure that the primary doesn't step down
// when we restart the secondary.
const nodes = replTest.startSet();
replTest.initiate();
var primary = replTest.getPrimary();
var second = replTest.getSecondary();
var primaryDB = primary.getDB('bgIndexSec');
var secondDB = second.getDB('bgIndexSec');
var collectionName = 'jstests_bgsec';
var coll = primaryDB.getCollection(collectionName);
var size = 100;
var bulk = primaryDB.jstests_bgsec.initializeUnorderedBulkOp();
for (var i = 0; i < size; ++i) {
bulk.insert({i: i, x: i, y: i});
}
assert.commandWorked(bulk.execute({j: true}));
assert.eq(size, coll.count(), 'unexpected number of documents after bulk insert.');
// Make sure the documents make it to the secondary.
replTest.awaitReplication();
// Pause the index build on the primary after replicating the startIndexBuild oplog entry.
IndexBuildTest.pauseIndexBuilds(primaryDB);
IndexBuildTest.startIndexBuild(primary, coll.getFullName(), {i: 1});
IndexBuildTest.startIndexBuild(primary, coll.getFullName(), {x: 1});
IndexBuildTest.startIndexBuild(primary, coll.getFullName(), {y: 1});
// Wait for build to start on the secondary.
jsTestLog("waiting for all index builds to start on secondary");
IndexBuildTest.waitForIndexBuildToStart(secondDB, coll.getName(), "y_1");
MongoRunner.stopMongod(second);
replTest.start(second,
{
setParameter: {
"failpoint.hangAfterSettingUpIndexBuildUnlocked": tojson({mode: "alwaysOn"}),
"failpoint.hangAfterSettingUpResumableIndexBuild": tojson({mode: "alwaysOn"})
}
},
/*restart=*/true,
/*wait=*/true);
// Make sure secondary comes back.
try {
assert.soon(function() {
try {
secondDB.isMaster(); // trigger a reconnect if needed
return true;
} catch (e) {
return false;
}
}, "secondary didn't restart", 30000, 1000);
// Verify that we do not wait for the index build to complete on startup.
assert.eq(size, secondDB.getCollection(collectionName).find({}).itcount());
// Verify that only the _id index is ready.
if (ResumableIndexBuildTest.resumableIndexBuildsEnabled(second)) {
checkLog.containsJson(second, 4841704);
} else {
checkLog.containsJson(second, 4585201);
}
IndexBuildTest.assertIndexes(secondDB.getCollection(collectionName),
4,
["_id_"],
["i_1", "x_1", "y_1"],
{includeBuildUUIDS: true});
} finally {
assert.commandWorked(second.adminCommand(
{configureFailPoint: 'hangAfterSettingUpIndexBuildUnlocked', mode: 'off'}));
assert.commandWorked(second.adminCommand(
{configureFailPoint: 'hangAfterSettingUpResumableIndexBuild', mode: 'off'}));
// Let index build complete on primary, which replicates a commitIndexBuild to the secondary.
IndexBuildTest.resumeIndexBuilds(primaryDB);
}
assert.soon(function() {
return 4 == secondDB.getCollection(collectionName).getIndexes().length;
}, "Index build not resumed after restart", 30000, 50);
replTest.stopSet();
}());
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