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//
// Testing migrations are successful with secondaryThrottle.
//
(function() {
"use strict";
// The mongod secondaries are set to priority 0 and votes 0 to prevent the primaries
// from stepping down during migrations on slow evergreen builders.
var s = new ShardingTest({
shards: 2,
other: {
chunkSize: 1,
rs0: {
nodes: [
{rsConfig: {votes: 1}},
{rsConfig: {priority: 0, votes: 0}},
],
},
rs1: {
nodes: [
{rsConfig: {votes: 1}},
{rsConfig: {priority: 0, votes: 0}},
],
}
}
});
var db = s.getDB("test");
var bulk = db.foo.initializeUnorderedBulkOp();
for (var i = 0; i < 2100; i++) {
bulk.insert({_id: i, x: i});
}
assert.writeOK(bulk.execute());
s.adminCommand({enablesharding: "test"});
s.ensurePrimaryShard('test', 'test-rs0');
s.adminCommand({shardcollection: "test.foo", key: {_id: 1}});
for (i = 0; i < 20; i++)
s.adminCommand({split: "test.foo", middle: {_id: i * 100}});
assert.eq(2100, db.foo.find().itcount());
var coll = db.foo;
coll.setSlaveOk();
var dbPrimaryShardId = s.getPrimaryShardIdForDatabase("test");
var other = s.config.shards.findOne({_id: {$ne: dbPrimaryShardId}});
for (i = 0; i < 20; i++) {
// Needs to waitForDelete because we'll be performing a slaveOk query,
// and secondaries don't have a chunk manager so it doesn't know how to
// filter out docs it doesn't own.
assert(s.adminCommand({
moveChunk: "test.foo",
find: {_id: i * 100},
to: other._id,
_secondaryThrottle: true,
writeConcern: {w: 2},
_waitForDelete: true
}));
assert.eq(2100, coll.find().itcount());
}
s.stop();
}());
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