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// SERVER-21118 don't hang at shutdown or apply ops too soon with slaveDelay.
//
// @tags: [requires_persistence]
load('jstests/replsets/rslib.js');
(function() {
"use strict";
// Skip db hash check since secondary has slave delay.
TestData.skipCheckDBHashes = true;
var ns = "test.coll";
var rst = new ReplSetTest({
nodes: 2,
});
var conf = rst.getReplSetConfig();
conf.members[1].votes = 0;
conf.members[1].priority = 0;
conf.members[1].hidden = true;
conf.members[1].slaveDelay = 0; // Set later.
rst.startSet();
rst.initiate(conf);
var master = rst.getPrimary(); // Waits for PRIMARY state.
// Push some ops through before setting slave delay.
assert.commandWorked(master.getCollection(ns).insert([{}, {}, {}], {writeConcern: {w: 2}}));
// Set slaveDelay and wait for secondary to receive the change.
conf = rst.getReplSetConfigFromNode();
conf.version++;
conf.members[1].slaveDelay = 24 * 60 * 60;
reconfig(rst, conf);
assert.soon(() => rst.getReplSetConfigFromNode(1).members[1].slaveDelay > 0,
() => rst.getReplSetConfigFromNode(1));
sleep(2000); // The secondary apply loop only checks for slaveDelay changes once per second.
var secondary = rst.getSecondary();
const lastOp = getLatestOp(secondary);
assert.commandWorked(master.getCollection(ns).insert([{}, {}, {}]));
assert.soon(() => secondary.adminCommand('serverStatus').metrics.repl.buffer.count > 0,
() => secondary.adminCommand('serverStatus').metrics.repl);
assert.neq(getLatestOp(master), lastOp);
assert.eq(getLatestOp(secondary), lastOp);
sleep(2000); // Prevent the test from passing by chance.
assert.eq(getLatestOp(secondary), lastOp);
// Make sure shutdown won't take a long time due to I/O.
secondary.adminCommand('fsync');
// Shutting down shouldn't take long.
assert.lt(Date.timeFunc(() => rst.stop(1)), 60 * 1000);
secondary = rst.restart(1);
rst.awaitSecondaryNodes();
assert.eq(getLatestOp(secondary), lastOp);
sleep(2000); // Prevent the test from passing by chance.
assert.eq(getLatestOp(secondary), lastOp);
rst.stopSet();
})();
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