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/**
* This test confirms that chunks get split as they grow due to data insertion.
*/
(function() {
'use strict';
var s = new ShardingTest({name: "auto1", shards: 2, mongos: 1, other: {enableAutoSplit: true}});
assert.commandWorked(s.s0.adminCommand({enablesharding: "test"}));
s.ensurePrimaryShard('test', 'shard0001');
assert.commandWorked(s.s0.adminCommand({shardcollection: "test.foo", key: {num: 1}}));
var bigString = "";
while (bigString.length < 1024 * 50)
bigString += "asocsancdnsjfnsdnfsjdhfasdfasdfasdfnsadofnsadlkfnsaldknfsad";
var db = s.getDB("test");
var coll = db.foo;
var i = 0;
var bulk = coll.initializeUnorderedBulkOp();
for (; i < 100; i++) {
bulk.insert({num: i, s: bigString});
}
assert.writeOK(bulk.execute());
var primary = s.getPrimaryShard("test").getDB("test");
var counts = [];
s.printChunks();
counts.push(s.config.chunks.count());
assert.eq(100, db.foo.find().itcount());
print("datasize: " +
tojson(s.getPrimaryShard("test").getDB("admin").runCommand({datasize: "test.foo"})));
bulk = coll.initializeUnorderedBulkOp();
for (; i < 200; i++) {
bulk.insert({num: i, s: bigString});
}
assert.writeOK(bulk.execute());
s.printChunks();
s.printChangeLog();
counts.push(s.config.chunks.count());
bulk = coll.initializeUnorderedBulkOp();
for (; i < 400; i++) {
bulk.insert({num: i, s: bigString});
}
assert.writeOK(bulk.execute());
s.printChunks();
s.printChangeLog();
counts.push(s.config.chunks.count());
bulk = coll.initializeUnorderedBulkOp();
for (; i < 700; i++) {
bulk.insert({num: i, s: bigString});
}
assert.writeOK(bulk.execute());
s.printChunks();
s.printChangeLog();
counts.push(s.config.chunks.count());
assert(counts[counts.length - 1] > counts[0], "counts 1 : " + tojson(counts));
var sorted = counts.slice(0);
// Sort doesn't sort numbers correctly by default, resulting in fail
sorted.sort(function(a, b) {
return a - b;
});
assert.eq(counts, sorted, "counts 2 : " + tojson(counts));
print(counts);
printjson(db.stats());
s.stop();
})();
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