internal Statistics(VolumeScanner.Statistics other)
{
this.bytesScannedInPastHour = other.bytesScannedInPastHour;
this.blocksScannedInCurrentPeriod = other.blocksScannedInCurrentPeriod;
this.blocksScannedSinceRestart = other.blocksScannedSinceRestart;
this.scansSinceRestart = other.scansSinceRestart;
this.scanErrorsSinceRestart = other.scanErrorsSinceRestart;
this.nextBlockPoolScanStartMs = other.nextBlockPoolScanStartMs;
this.blockPoolPeriodEndsMs = other.blockPoolPeriodEndsMs;
this.lastBlockScanned = other.lastBlockScanned;
this.eof = other.eof;
}
/// <exception cref="System.Exception"/>
private void TestScanAllBlocksImpl(bool rescan)
{
Configuration conf = new Configuration();
conf.SetLong(DFSConfigKeys.DfsBlockScannerVolumeBytesPerSecond, 1048576L);
if (rescan)
{
conf.SetLong(BlockScanner.Conf.InternalDfsDatanodeScanPeriodMs, 100L);
}
else
{
conf.SetLong(DFSConfigKeys.DfsDatanodeScanPeriodHoursKey, 100L);
}
conf.Set(BlockScanner.Conf.InternalVolumeScannerScanResultHandler, typeof(TestBlockScanner.TestScanResultHandler
).FullName);
TestBlockScanner.TestContext ctx = new TestBlockScanner.TestContext(conf, 1);
int NumExpectedBlocks = 10;
ctx.CreateFiles(0, NumExpectedBlocks, 1);
ICollection <ExtendedBlock> expectedBlocks = new HashSet <ExtendedBlock>();
for (int i = 0; i < NumExpectedBlocks; i++)
{
expectedBlocks.AddItem(ctx.GetFileBlock(0, i));
}
TestBlockScanner.TestScanResultHandler.Info info = TestBlockScanner.TestScanResultHandler
.GetInfo(ctx.volumes[0]);
lock (info)
{
info.shouldRun = true;
Sharpen.Runtime.Notify(info);
}
GenericTestUtils.WaitFor(new _Supplier_367(ctx, expectedBlocks, rescan, NumExpectedBlocks
), 10, 60000);
if (!rescan)
{
lock (info)
{
NUnit.Framework.Assert.AreEqual(NumExpectedBlocks, info.blocksScanned);
}
VolumeScanner.Statistics stats = ctx.blockScanner.GetVolumeStats(ctx.volumes[0].GetStorageID
());
NUnit.Framework.Assert.AreEqual(5 * NumExpectedBlocks, stats.bytesScannedInPastHour
);
NUnit.Framework.Assert.AreEqual(NumExpectedBlocks, stats.blocksScannedSinceRestart
);
NUnit.Framework.Assert.AreEqual(NumExpectedBlocks, stats.blocksScannedInCurrentPeriod
);
NUnit.Framework.Assert.AreEqual(0, stats.scanErrorsSinceRestart);
NUnit.Framework.Assert.AreEqual(1, stats.scansSinceRestart);
}
ctx.Close();
}
public bool Get()
{
lock (info)
{
VolumeScanner.Statistics stats = ctx.blockScanner.GetVolumeStats(ctx.volumes[0].GetStorageID
());
if (stats.scansSinceRestart < 3)
{
TestBlockScanner.Log.Info("Waiting for scansSinceRestart to reach 3 (it is {})",
stats.scansSinceRestart);
return(false);
}
if (!stats.eof)
{
TestBlockScanner.Log.Info("Waiting for eof.");
return(false);
}
return(true);
}
}
/// <exception cref="System.Exception"/>
public virtual void TestMultipleBlockPoolScanning()
{
Configuration conf = new Configuration();
conf.SetLong(DFSConfigKeys.DfsDatanodeScanPeriodHoursKey, 100L);
conf.Set(BlockScanner.Conf.InternalVolumeScannerScanResultHandler, typeof(TestBlockScanner.TestScanResultHandler
).FullName);
TestBlockScanner.TestContext ctx = new TestBlockScanner.TestContext(conf, 3);
// We scan 5 bytes per file (1 byte in file, 4 bytes of checksum)
int BytesScannedPerFile = 5;
int[] NumFiles = new int[] { 1, 5, 10 };
int TotalFiles = 0;
for (int i = 0; i < NumFiles.Length; i++)
{
TotalFiles += NumFiles[i];
}
ctx.CreateFiles(0, NumFiles[0], 1);
ctx.CreateFiles(0, NumFiles[1], 1);
ctx.CreateFiles(0, NumFiles[2], 1);
// start scanning
TestBlockScanner.TestScanResultHandler.Info info = TestBlockScanner.TestScanResultHandler
.GetInfo(ctx.volumes[0]);
lock (info)
{
info.shouldRun = true;
Sharpen.Runtime.Notify(info);
}
// Wait for all the block pools to be scanned.
GenericTestUtils.WaitFor(new _Supplier_632(info, ctx), 3, 30000);
VolumeScanner.Statistics stats = ctx.blockScanner.GetVolumeStats(ctx.volumes[0].GetStorageID
());
NUnit.Framework.Assert.AreEqual(TotalFiles, stats.blocksScannedSinceRestart);
NUnit.Framework.Assert.AreEqual(BytesScannedPerFile * TotalFiles, stats.bytesScannedInPastHour
);
ctx.Close();
}