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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}});
var db = s.getDB("test");
s.stopBalancer();
var names = s.getConnNames();
assert.eq(2, names.length);
s.adminCommand({addshard: names[0]});
s.adminCommand({addshard: names[1], maxSize: MaxSizeMB});
s.adminCommand({enablesharding: "test"});
var res = db.adminCommand({movePrimary: 'test', to: names[0]});
assert(res.ok || res.errmsg == "it is already the primary");
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.writeOK(bulk.execute());
s.adminCommand({shardcollection: "test.foo", key: {_id: 1}});
assert.gt(s.config.chunks.count(), 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.writeOK(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();
// Wait until balancer finishes at least one balancing round.
assert(s.waitForBalancerRound(), "Balancer is not running: it never pinged config.mongos");
var chunkCounts = s.chunkCounts('foo', 'test');
assert.eq(0, chunkCounts.shard0001);
s.stop();
})();
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