コード例 #1
0
        public unsafe void NativeInMemWriteRead()
        {
            OutputStruct output = default(OutputStruct);

            var key1 = new KeyStruct {
                kfield1 = 13, kfield2 = 14
            };
            var value = new ValueStruct {
                vfield1 = 23, vfield2 = 24
            };

            fht.Upsert(&key1, &value, null, 0);
            var status = fht.Read(&key1, null, &output, null, 0);

            if (status == Status.PENDING)
            {
                fht.CompletePending(true);
            }
            else
            {
                Assert.IsTrue(status == Status.OK);
            }

            Assert.IsTrue(output.value.vfield1 == value.vfield1);
            Assert.IsTrue(output.value.vfield2 == value.vfield2);
        }
コード例 #2
0
        public unsafe void SimpleRecoveryTest1()
        {
            log = FasterFactory.CreateLogDevice(TestContext.CurrentContext.TestDirectory + "\\hlog", deleteOnClose: true);

            Directory.CreateDirectory(TestContext.CurrentContext.TestDirectory + "\\checkpoints");

            fht1 = FasterFactory.Create
                   <AdId, NumClicks, Input, Output, Empty, SimpleFunctions, ICustomFaster>
                       (indexSizeBuckets: 128,
                       logSettings: new LogSettings {
                LogDevice = log, MutableFraction = 0.1, MemorySizeBits = 29
            },
                       checkpointSettings: new CheckpointSettings {
                CheckpointDir = TestContext.CurrentContext.TestDirectory + "\\checkpoints", CheckPointType = CheckpointType.Snapshot
            }
                       );

            fht2 = FasterFactory.Create
                   <AdId, NumClicks, Input, Output, Empty, SimpleFunctions, ICustomFaster>
                       (indexSizeBuckets: 128,
                       logSettings: new LogSettings {
                LogDevice = log, MutableFraction = 0.1, MemorySizeBits = 29
            },
                       checkpointSettings: new CheckpointSettings {
                CheckpointDir = TestContext.CurrentContext.TestDirectory + "\\checkpoints", CheckPointType = CheckpointType.Snapshot
            }
                       );


            int numOps     = 5000;
            var inputArray = new AdId[numOps];

            for (int i = 0; i < numOps; i++)
            {
                inputArray[i].adId = i;
            }

            NumClicks value;
            Input     inputArg;
            Output    output;


            fixed(AdId *input = inputArray)
            {
                fht1.StartSession();
                for (int key = 0; key < numOps; key++)
                {
                    value.numClicks = key;
                    fht1.Upsert(input + key, &value, null, 0);
                }
                fht1.TakeFullCheckpoint(out Guid token);
                fht1.CompleteCheckpoint(true);
                fht1.StopSession();

                fht2.Recover(token);
                fht2.StartSession();
                for (int key = 0; key < numOps; key++)
                {
                    var status = fht2.Read(input + key, &inputArg, &output, null, 0);

                    if (status == Status.PENDING)
                    {
                        fht2.CompletePending(true);
                    }
                    else
                    {
                        Assert.IsTrue(output.value.numClicks == key);
                    }
                }
                fht2.StopSession();
            }

            log.Close();
            fht1.Dispose();
            fht2.Dispose();
            new DirectoryInfo(TestContext.CurrentContext.TestDirectory + "\\checkpoints").Delete(true);
        }