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/**
* TODO: SERVER-13204
* This tests inserts a huge number of documents, initiates a background index build
* and tries to perform another task in parallel while the background index task is
* active. The problem is that this is timing dependent and the current test setup
* tries to achieve this by inserting insane amount of documents.
*/
/**
* Starts a replica set with arbiter, build an index
* drop index once secondary starts building index,
* index should not exist on secondary afterwards
*/
var checkOp = function(checkDB) {
var curOp = checkDB.currentOp(true);
for (var i = 0; i < curOp.inprog.length; i++) {
try {
if (curOp.inprog[i].query.background) {
// should throw something when string contains > 90%
printjson(curOp.inprog[i].msg);
return true;
}
} catch (e) {
// catchem if you can
}
}
return false;
};
// Set up replica set
var replTest = new ReplSetTest({name: 'fgIndex', nodes: 3});
var nodes = replTest.nodeList();
// We need an arbiter to ensure that the primary doesn't step down when we restart the secondary
replTest.startSet();
replTest.initiate({
"_id": "fgIndex",
"members": [
{"_id": 0, "host": nodes[0]},
{"_id": 1, "host": nodes[1]},
{"_id": 2, "host": nodes[2], "arbiterOnly": true}
]
});
var master = replTest.getPrimary();
var second = replTest.getSecondary();
var masterDB = master.getDB('fgIndexSec');
var secondDB = second.getDB('fgIndexSec');
var size = 50000;
jsTest.log("creating test data " + size + " documents");
var bulk = masterDB.jstests_fgsec.initializeUnorderedBulkOp();
for (var i = 0; i < size; ++i) {
bulk.insert({i: i});
}
assert.writeOK(bulk.execute());
jsTest.log("Creating index");
masterDB.jstests_fgsec.ensureIndex({i: 1});
assert.eq(2, masterDB.jstests_fgsec.getIndexes().length);
// Wait for the secondary to get the index entry
assert.soon(function() {
return 2 == secondDB.jstests_fgsec.getIndexes().length;
}, "index not created on secondary", 1000 * 60 * 10, 50);
jsTest.log("Index created on secondary");
masterDB.runCommand({dropIndexes: "jstests_fgsec", index: "i_1"});
jsTest.log("Waiting on replication");
replTest.awaitReplication();
assert.soon(function() {
return !checkOp(secondDB);
}, "index not cancelled on secondary", 30000, 50);
masterDB.jstests_fgsec.getIndexes().forEach(printjson);
secondDB.jstests_fgsec.getIndexes().forEach(printjson);
assert.soon(function() {
return 1 == secondDB.jstests_fgsec.getIndexes().length;
}, "Index not dropped on secondary", 30000, 50);
jsTest.log("index-restart-secondary.js complete");
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