public IEnumerable <KeyValuePair <Key, Value> > EnumerateSnapshot()
{
// Grab sorted copy of the internal memtable contents.
return(_memTable.GetEnumerableSnapshot());
}
public void SnapshotEnumerator()
{
// This test is designed to highlight inefficiencies in the memtable snapshotting mechanism (fixed now with snapshot-able tree)
MemTable mt = new MemTable ();
for (int i = 0; i < 10000; i++) {
var randomKey = new Key (new ByteArray (BitConverter.GetBytes (i)));
var randomValue = Value.Random (256);
mt.Add (randomKey, randomValue);
}
Stopwatch timer = new Stopwatch ();
timer.Start ();
for (int k = 0; k < 100; k++) {
Assert.AreEqual (10000, mt.GetEnumerableSnapshot ().Count ());
}
timer.Stop ();
Console.WriteLine ("Elapsed Time: {0}ms", timer.ElapsedMilliseconds);
}
