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// Tests splitting a chunk twice
(function() {
var s = new ShardingTest({ name: "shard_keycount",
shards: 2,
mongos: 1,
other:{ chunkSize: 1 } });
dbName = "test";
collName = "foo";
ns = dbName + "." + collName;
db = s.getDB( dbName );
for(var i = 0; i < 10; i++){
db.foo.insert({ _id : i });
}
// Enable sharding on DB
s.adminCommand( { enablesharding : dbName } );
s.ensurePrimaryShard(dbName, 'shard0001');
// Enable sharding on collection
s.adminCommand( { shardcollection : ns, key : { _id : 1 } } );
// Split into two chunks
s.adminCommand({ split : ns, find : { _id : 3 } });
coll = db.getCollection( collName );
// Split chunk again
s.adminCommand({ split : ns, find : { _id : 3 } });
coll.update({ _id : 3 }, { _id : 3 });
// Split chunk again
s.adminCommand({ split : ns, find : { _id : 3 } });
coll.update({ _id : 3 }, { _id : 3 });
// Split chunk again
// FAILS since the key count is based on the full index, not the chunk itself
// i.e. Split point calc'd is 5 key offset (10 documents), but only four docs
// in chunk with bounds _id : 0 => 5
s.adminCommand({ split : ns, find : { _id : 3 } });
s.stop();
});
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