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/**
* Forced re-configs of a replica set will restart the collection scan phase of any in-progress
* index builds as the collection scan cursor gets interrupted with
* ReadConcernMajorityNotAvailableYet.
*
* @tags: [
* requires_replication,
* # The inMemory storage engine does not throw ReadConcernMajorityNotAvailableYet on a
* # re-config.
* requires_persistence,
* ]
*/
(function() {
"use strict";
load("jstests/libs/fail_point_util.js");
load("jstests/noPassthrough/libs/index_build.js");
const rst = new ReplSetTest({
nodes: [
{},
{
// Disallow elections on secondary.
rsConfig: {
priority: 0,
votes: 0,
},
},
]
});
rst.startSet();
rst.initiate();
const primary = rst.getPrimary();
const testDB = primary.getDB("test");
const coll = testDB.getCollection("test");
for (let i = 0; i < 10; i++) {
assert.commandWorked(coll.insert({a: i}));
}
// Hang the collection scan phase of the index build when it's halfway finished.
let fp = configureFailPoint(
primary, "hangIndexBuildDuringCollectionScanPhaseAfterInsertion", {fieldsToMatch: {a: 5}});
const awaitCreateIndex = IndexBuildTest.startIndexBuild(primary, coll.getFullName(), {a: 1});
fp.wait();
// Add a new node to the set.
const newNode = rst.add({rsConfig: {}});
const newNodeObj = {
_id: 2,
host: newNode.host,
priority: 0,
votes: 0,
};
let config = assert.commandWorked(primary.adminCommand({replSetGetConfig: 1})).config;
config.version++;
config.members.push(newNodeObj);
// Forced re-config will clear the majority committed snapshot.
assert.commandWorked(primary.getDB("admin").runCommand({replSetReconfig: config, force: true}));
fp.off();
checkLog.containsJson(primary, 5470300, {
error: function(error) {
return error.code === ErrorCodes.ReadConcernMajorityNotAvailableYet;
}
}); // Collection scan restarted.
checkLog.containsJson(primary, 20391, {totalRecords: 10}); // Collection scan complete.
awaitCreateIndex();
IndexBuildTest.assertIndexes(coll, 2, ["_id_", "a_1"]);
rst.stopSet();
})();
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