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(function() {
'use strict';
var s = new ShardingTest({shards: 2, mongos: 1, other: {chunkSize: 1}});
assert.commandWorked(s.s0.adminCommand({enablesharding: "test"}));
s.ensurePrimaryShard('test', 'shard0001');
assert.commandWorked(s.s0.adminCommand({shardcollection: "test.foo", key: {x: 1}}));
var db = s.getDB("test");
var big = "";
while (big.length < 10000) {
big += ".";
}
var x = 0;
var bulk = db.foo.initializeUnorderedBulkOp();
for (; x < 500; x++) {
bulk.insert({x: x, big: big});
}
for (var i = 0; i < 500; i++) {
bulk.insert({x: x, big: big});
}
for (; x < 2000; x++) {
bulk.insert({x: x, big: big});
}
assert.writeOK(bulk.execute());
s.printShardingStatus(true);
assert.commandWorked(s.s0.adminCommand({moveChunk: 'test.foo', find: {x: 0}, to: 'shard0000'}));
s.printShardingStatus(true);
s.startBalancer();
function diff1() {
var x = s.chunkCounts("foo");
printjson(x);
return Math.max(x.shard0000, x.shard0001) - Math.min(x.shard0000, x.shard0001);
}
assert.soon(function() {
var d = diff1();
print("diff: " + d);
s.printShardingStatus(true);
return d < 5;
}, "balance didn't happen", 1000 * 60 * 5, 5000);
s.stop();
})();
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