public void ObjectDiskWriteRead()
{
for (int i = 0; i < 2000; i++)
{
fht.Upsert(new MyKey {
key = i
}, new MyValue {
value = i
}, default(MyContext), 0);
}
MyOutput g1 = new MyOutput();
var status = fht.Read(new MyKey {
key = 23
}, new MyInput(), ref g1, new MyContext(), 0);
if (status == Status.PENDING)
{
fht.CompletePending(true);
}
else
{
Assert.IsTrue(status == Status.OK);
}
Assert.IsTrue(g1.value.value == 23);
status = fht.Read(new MyKey {
key = 99999
}, new MyInput(), ref g1, new MyContext(), 0);
if (status == Status.PENDING)
{
fht.CompletePending(true);
}
else
{
Assert.IsTrue(status == Status.NOTFOUND);
}
}
public void LargeObjectTest1()
{
log = FasterFactory.CreateLogDevice(TestContext.CurrentContext.TestDirectory + "\\hlog", deleteOnClose: true);
objlog = FasterFactory.CreateObjectLogDevice(TestContext.CurrentContext.TestDirectory + "\\hlog", deleteOnClose: true);
Directory.CreateDirectory(TestContext.CurrentContext.TestDirectory + "\\checkpoints");
fht1 = FasterFactory.Create
<MyKey, MyLargeValue, MyInput, MyLargeOutput, MyContext, MyLargeFunctions>
(indexSizeBuckets: 128, functions: new MyLargeFunctions(),
logSettings: new LogSettings {
LogDevice = log, ObjectLogDevice = objlog, MutableFraction = 0.1, MemorySizeBits = 29
},
checkpointSettings: new CheckpointSettings {
CheckpointDir = TestContext.CurrentContext.TestDirectory + "\\checkpoints", CheckPointType = CheckpointType.Snapshot
}
);
fht2 = FasterFactory.Create
<MyKey, MyLargeValue, MyInput, MyLargeOutput, MyContext, MyLargeFunctions>
(indexSizeBuckets: 128, functions: new MyLargeFunctions(),
logSettings: new LogSettings {
LogDevice = log, ObjectLogDevice = objlog, MutableFraction = 0.1, MemorySizeBits = 29
},
checkpointSettings: new CheckpointSettings {
CheckpointDir = TestContext.CurrentContext.TestDirectory + "\\checkpoints", CheckPointType = CheckpointType.Snapshot
}
);
int maxSize = 1000;
int numOps = 5000;
//var value = new MyLargeValue(size);
fht1.StartSession();
Random r = new Random(33);
for (int key = 0; key < numOps; key++)
{
var value = new MyLargeValue(1 + r.Next(maxSize));
fht1.Upsert(new MyKey {
key = key
}, value, null, 0);
}
fht1.TakeFullCheckpoint(out Guid token);
fht1.CompleteCheckpoint(true);
fht1.StopSession();
fht1.Dispose();
MyLargeOutput output = new MyLargeOutput();
fht2.Recover(token);
fht2.StartSession();
for (int key = 0; key < numOps; key++)
{
var status = fht2.Read(new MyKey {
key = key
}, new MyInput(), ref output, null, 0);
if (status == Status.PENDING)
{
fht2.CompletePending(true);
}
else
{
for (int i = 0; i < output.value.value.Length; i++)
{
Assert.IsTrue(output.value.value[i] == (byte)(output.value.value.Length + i));
}
}
}
fht2.StopSession();
fht2.Dispose();
log.Close();
objlog.Close();
new DirectoryInfo(TestContext.CurrentContext.TestDirectory + "\\checkpoints").Delete(true);
}
public unsafe void Populate()
{
// Prepare the dataset
var inputArray = new Tuple <AdId, Input> [numOps];
for (int i = 0; i < numOps; i++)
{
inputArray[i] = new Tuple <AdId, Input>
(new AdId {
adId = i % numUniqueKeys
}, new Input {
numClicks = 1
});
}
// Register thread with FASTER
fht.StartSession();
// Prpcess the batch of input data
bool first = true;
for (int i = 0; i < numOps; i++)
{
fht.RMW(inputArray[i].Item1, inputArray[i].Item2, default(Empty), i);
if ((i + 1) % checkpointInterval == 0)
{
if (first)
{
while (!fht.TakeFullCheckpoint(out token))
{
fht.Refresh();
}
}
else
{
while (!fht.TakeFullCheckpoint(out Guid nextToken))
{
fht.Refresh();
}
}
fht.CompleteCheckpoint(true);
first = false;
}
if (i % completePendingInterval == 0)
{
fht.CompletePending(false);
}
else if (i % refreshInterval == 0)
{
fht.Refresh();
}
}
// Make sure operations are completed
fht.CompletePending(true);
// Deregister thread from FASTER
fht.StopSession();
}