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/**
* Test the maxSize setting for the addShard command.
*/
(function() {
'use strict';
var MaxSizeMB = 1;
var s = new ShardingTest({
shards: 2,
other: {
chunkSize: 1,
manualAddShard: true,
shardOptions: {setParameter: {internalQueryExecMaxBlockingSortBytes: 32 * 1024 * 1024}}
}
});
var db = s.getDB("test");
var names = s.getConnNames();
assert.eq(2, names.length);
assert.commandWorked(s.s0.adminCommand({addshard: names[0]}));
assert.commandWorked(s.s0.adminCommand({addshard: names[1], maxSize: MaxSizeMB}));
assert.commandWorked(s.s0.adminCommand({enablesharding: "test"}));
s.ensurePrimaryShard('test', names[0]);
var bigString = "";
while (bigString.length < 10000)
bigString += "asdasdasdasdadasdasdasdasdasdasdasdasda";
var inserted = 0;
var num = 0;
var bulk = db.foo.initializeUnorderedBulkOp();
while (inserted < (40 * 1024 * 1024)) {
bulk.insert({_id: num++, s: bigString});
inserted += bigString.length;
}
assert.commandWorked(bulk.execute());
assert.commandWorked(s.s0.adminCommand({shardcollection: "test.foo", key: {_id: 1}}));
assert.gt(s.config.chunks.count({"ns": "test.foo"}), 10);
var getShardSize = function(conn) {
var listDatabases = conn.getDB('admin').runCommand({listDatabases: 1});
return listDatabases.totalSize;
};
var shardConn = new Mongo(names[1]);
// Make sure that shard doesn't have any documents.
assert.eq(0, shardConn.getDB('test').foo.find().itcount());
var maxSizeBytes = MaxSizeMB * 1024 * 1024;
// Fill the shard with documents to exceed the max size so the balancer won't move
// chunks to this shard.
var localColl = shardConn.getDB('local').padding;
while (getShardSize(shardConn) < maxSizeBytes) {
var localBulk = localColl.initializeUnorderedBulkOp();
for (var x = 0; x < 20; x++) {
localBulk.insert({x: x, val: bigString});
}
assert.commandWorked(localBulk.execute());
// Force the storage engine to flush files to disk so shardSize will get updated.
assert.commandWorked(shardConn.getDB('admin').runCommand({fsync: 1}));
}
s.startBalancer();
s.awaitBalancerRound();
var chunkCounts = s.chunkCounts('foo', 'test');
assert.eq(0, chunkCounts[s.rs1.name]);
s.stop();
})();
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