public void BenchmarkTwoFiles()
{
MemoryPoolTest.TestMemoryLeak();
const int Max = 1000000;
ArchiveList <HistorianKey, HistorianValue> list = new ArchiveList <HistorianKey, HistorianValue>(null);
HistorianKey key = new HistorianKey();
HistorianValue value = new HistorianValue();
SortedTreeTable <HistorianKey, HistorianValue> table1 = CreateTable();
SortedTreeTable <HistorianKey, HistorianValue> table2 = CreateTable();
AddData(table1, 100, 100, Max / 2);
AddData(table2, 101, 100, Max / 2);
using (ArchiveListEditor <HistorianKey, HistorianValue> editor = list.AcquireEditLock())
{
editor.Add(table1);
editor.Add(table2);
}
SequentialReaderStream <HistorianKey, HistorianValue> sequencer = new SequentialReaderStream <HistorianKey, HistorianValue>(list);
DebugStopwatch sw = new DebugStopwatch();
double sec = sw.TimeEvent(() =>
{
SequentialReaderStream <HistorianKey, HistorianValue> scanner = sequencer;
while (scanner.Read(key, value))
{
}
});
System.Console.WriteLine(Max / sec / 1000000);
list.Dispose();
MemoryPoolTest.TestMemoryLeak();
}
public void ConsoleTest3()
{
MemoryPoolTest.TestMemoryLeak();
ArchiveList <HistorianKey, HistorianValue> list = new ArchiveList <HistorianKey, HistorianValue>(null);
DateTime start = DateTime.Now.Date;
for (int x = 0; x < 3; x++)
{
SortedTreeTable <HistorianKey, HistorianValue> table1 = CreateTable();
AddDataTerminal(table1, (ulong)x, start, new TimeSpan(TimeSpan.TicksPerSecond), (ulong)(1000 * x), 1, 60 * 60);
using (ArchiveListEditor <HistorianKey, HistorianValue> editor = list.AcquireEditLock())
{
editor.Add(table1);
}
}
for (int x = 0; x < 3; x++)
{
SortedTreeTable <HistorianKey, HistorianValue> table1 = CreateTable();
AddDataTerminal(table1, (ulong)x, start, new TimeSpan(TimeSpan.TicksPerSecond), (ulong)(1000 * x), 1, 60 * 60);
using (ArchiveListEditor <HistorianKey, HistorianValue> editor = list.AcquireEditLock())
{
editor.Add(table1);
}
}
SeekFilterBase <HistorianKey> filter = TimestampSeekFilter.CreateFromIntervalData <HistorianKey>(start, start.AddMinutes(10), new TimeSpan(TimeSpan.TicksPerSecond * 60), new TimeSpan(TimeSpan.TicksPerSecond));
SequentialReaderStream <HistorianKey, HistorianValue> sequencer = new SequentialReaderStream <HistorianKey, HistorianValue>(list, null, filter);
SortedList <DateTime, FrameData> frames = sequencer.GetFrames();
WriteToConsole(frames);
list.Dispose();
MemoryPoolTest.TestMemoryLeak();
}
public void TestOneFile()
{
HistorianKey key1 = new HistorianKey();
HistorianKey key2 = new HistorianKey();
HistorianValue value1 = new HistorianValue();
HistorianValue value2 = new HistorianValue();
Logger.Console.Verbose = VerboseLevel.All;
MemoryPoolTest.TestMemoryLeak();
ArchiveList <HistorianKey, HistorianValue> list = new ArchiveList <HistorianKey, HistorianValue>(null);
SortedTreeTable <HistorianKey, HistorianValue> master = CreateTable();
SortedTreeTable <HistorianKey, HistorianValue> table1 = CreateTable();
AddData(master, 100, 100, 100);
AddData(table1, 100, 100, 100);
using (ArchiveListEditor <HistorianKey, HistorianValue> editor = list.AcquireEditLock())
{
editor.Add(table1);
}
using (SortedTreeTableReadSnapshot <HistorianKey, HistorianValue> masterRead = master.BeginRead())
{
SortedTreeScannerBase <HistorianKey, HistorianValue> masterScan = masterRead.GetTreeScanner();
masterScan.SeekToStart();
TreeStreamSequential <HistorianKey, HistorianValue> masterScanSequential = masterScan.TestSequential();
using (SequentialReaderStream <HistorianKey, HistorianValue> sequencer = new SequentialReaderStream <HistorianKey, HistorianValue>(list))
{
TreeStreamSequential <HistorianKey, HistorianValue> scanner = sequencer.TestSequential();
int count = 0;
while (scanner.Read(key1, value1))
{
count++;
if (!masterScanSequential.Read(key2, value2))
{
throw new Exception();
}
if (!key1.IsEqualTo(key2))
{
throw new Exception();
}
if (!value1.IsEqualTo(value2))
{
throw new Exception();
}
}
if (masterScan.Read(key2, value2))
{
throw new Exception();
}
}
}
list.Dispose();
master.Dispose();
MemoryPoolTest.TestMemoryLeak();
}
public void BenchmarkRealisticSamples()
{
MemoryPoolTest.TestMemoryLeak();
const int Max = 1000000;
const int FileCount = 1000;
ArchiveList <HistorianKey, HistorianValue> list = new ArchiveList <HistorianKey, HistorianValue>(null);
DateTime start = DateTime.Now.Date;
HistorianKey key = new HistorianKey();
HistorianValue value = new HistorianValue();
for (int x = 0; x < FileCount; x++)
{
SortedTreeTable <HistorianKey, HistorianValue> table1 = CreateTable();
AddData(table1, start.AddMinutes(2 * x), new TimeSpan(TimeSpan.TicksPerSecond), 60, 100, 1, Max / 60 / FileCount);
using (ArchiveListEditor <HistorianKey, HistorianValue> editor = list.AcquireEditLock())
{
editor.Add(table1);
}
}
SeekFilterBase <HistorianKey> filter = TimestampSeekFilter.CreateFromIntervalData <HistorianKey>(start, start.AddMinutes(2 * FileCount), new TimeSpan(TimeSpan.TicksPerSecond * 2), new TimeSpan(TimeSpan.TicksPerMillisecond));
SequentialReaderStream <HistorianKey, HistorianValue> sequencer = new SequentialReaderStream <HistorianKey, HistorianValue>(list, null, filter);
DebugStopwatch sw = new DebugStopwatch();
int xi = 0;
double sec = sw.TimeEvent(() =>
{
SequentialReaderStream <HistorianKey, HistorianValue> scanner = sequencer;
while (scanner.Read(key, value))
{
xi++;
}
});
System.Console.WriteLine(Max / sec / 1000000);
//TreeKeyMethodsBase<HistorianKey>.WriteToConsole();
//TreeValueMethodsBase<HistorianValue>.WriteToConsole();
//Console.WriteLine("KeyMethodsBase calls");
//for (int x = 0; x < 23; x++)
//{
// Console.WriteLine(TreeKeyMethodsBase<HistorianKey>.CallMethods[x] + "\t" + ((TreeKeyMethodsBase<HistorianKey>.Method)(x)).ToString());
//}
//Console.WriteLine("ValueMethodsBase calls");
//for (int x = 0; x < 5; x++)
//{
// Console.WriteLine(TreeValueMethodsBase<HistorianValue>.CallMethods[x] + "\t" + ((TreeValueMethodsBase<HistorianValue>.Method)(x)).ToString());
//}
list.Dispose();
MemoryPoolTest.TestMemoryLeak();
}
/// <summary>
/// Recovers this rollover during an application crash.
/// </summary>
/// <param name="list"></param>
public void Recover(ArchiveList list)
{
using (ArchiveListEditor edit = list.AcquireEditLock())
{
//If the destination file exists, the rollover is complete. Therefore remove any source file.
if (edit.Contains(DestinationFile))
{
foreach (Guid source in SourceFiles)
{
if (edit.Contains(source))
{
edit.TryRemoveAndDelete(source);
}
}
}
//Otherwise, delete the destination file (which is allow the ~d2 cleanup to occur).
}
Delete();
}
private void OnExecute(object sender, EventArgs <ScheduledTaskRunningReason> e)
{
//The worker can be disposed either via the Stop() method or
//the Dispose() method. If via the dispose method, then
//don't do any cleanup.
if (m_disposed && e.Argument == ScheduledTaskRunningReason.Disposing)
{
return;
}
//go ahead and schedule the next rollover since nothing
//will happen until this function exits anyway.
//if the task is disposing, the following line does nothing.
m_rolloverTask.Start(m_settings.ExecuteTimer);
lock (m_syncRoot)
{
if (m_disposed)
{
return;
}
using (ArchiveListSnapshot <TKey, TValue> resource = m_archiveList.CreateNewClientResources())
{
resource.UpdateSnapshot();
List <ArchiveTableSummary <TKey, TValue> > list = new List <ArchiveTableSummary <TKey, TValue> >();
List <Guid> listIds = new List <Guid>();
for (int x = 0; x < resource.Tables.Length; x++)
{
ArchiveTableSummary <TKey, TValue> table = resource.Tables[x];
if (table.SortedTreeTable.BaseFile.Snapshot.Header.Flags.Contains(m_settings.MatchFlag) && table.SortedTreeTable.BaseFile.Snapshot.Header.Flags.Contains(FileFlags.IntermediateFile))
{
list.Add(table);
listIds.Add(table.FileId);
}
else
{
resource.Tables[x] = null;
}
}
bool shouldRollover = list.Count >= m_settings.CombineOnFileCount;
long size = 0;
for (int x = 0; x < list.Count; x++)
{
size += list[x].SortedTreeTable.BaseFile.ArchiveSize;
if (size > m_settings.CombineOnFileSize)
{
if (x != list.Count - 1)//If not the last entry
{
list.RemoveRange(x + 1, list.Count - x - 1);
}
break;
}
}
if (size > m_settings.CombineOnFileSize)
{
shouldRollover = true;
}
if (shouldRollover)
{
TKey startKey = new TKey();
TKey endKey = new TKey();
startKey.SetMax();
endKey.SetMin();
foreach (Guid fileId in listIds)
{
ArchiveTableSummary <TKey, TValue> table = resource.TryGetFile(fileId);
if (table is null)
{
throw new Exception("File not found");
}
if (!table.IsEmpty)
{
if (startKey.IsGreaterThan(table.FirstKey))
{
table.FirstKey.CopyTo(startKey);
}
if (endKey.IsLessThan(table.LastKey))
{
table.LastKey.CopyTo(endKey);
}
}
}
RolloverLogFile logFile = null;
Action <Guid> createLog = (x) =>
{
logFile = m_rolloverLog.Create(listIds, x);
};
using (UnionReader <TKey, TValue> reader = new UnionReader <TKey, TValue>(list))
{
SortedTreeTable <TKey, TValue> dest = m_createNextStageFile.CreateArchiveFile(startKey, endKey, size, reader, createLog);
resource.Dispose();
using (ArchiveListEditor <TKey, TValue> edit = m_archiveList.AcquireEditLock())
{
//Add the newly created file.
edit.Add(dest);
foreach (ArchiveTableSummary <TKey, TValue> table in list)
{
edit.TryRemoveAndDelete(table.FileId);
}
}
}
if (logFile != null)
{
logFile.Delete();
}
}
resource.Dispose();
}
m_rolloverComplete.Set();
}
}
private void RolloverTask_Running(object sender, EventArgs <ScheduledTaskRunningReason> e)
{
//The worker can be disposed either via the Stop() method or
//the Dispose() method. If via the dispose method, then
//don't do any cleanup.
if (m_disposed && e.Argument == ScheduledTaskRunningReason.Disposing)
{
Log.Publish(MessageLevel.Info, "Rollover thread is Disposing");
m_rolloverComplete.Dispose();
return;
}
List <SortedTreeTable <TKey, TValue> > pendingTables1;
List <SortedTreeTable <TKey, TValue> > pendingTables2;
List <SortedTreeTable <TKey, TValue> > pendingTables3;
long sequenceNumber;
lock (m_syncRoot)
{
pendingTables1 = m_pendingTables1;
pendingTables2 = m_pendingTables2;
pendingTables3 = m_pendingTables3;
sequenceNumber = m_lastCommitedSequenceNumber;
m_pendingTables1 = new List <SortedTreeTable <TKey, TValue> >();
m_pendingTables2 = new List <SortedTreeTable <TKey, TValue> >();
m_pendingTables3 = new List <SortedTreeTable <TKey, TValue> >();
m_rolloverComplete.Set();
}
TKey startKey = new TKey();
TKey endKey = new TKey();
startKey.SetMax();
endKey.SetMin();
Log.Publish(MessageLevel.Info, "Pending Tables Report", "Pending Tables V1: " + pendingTables1.Count + " V2: " + pendingTables2.Count + " V3: " + pendingTables3.Count);
List <ArchiveTableSummary <TKey, TValue> > summaryTables = new List <ArchiveTableSummary <TKey, TValue> >();
foreach (SortedTreeTable <TKey, TValue> table in pendingTables1)
{
ArchiveTableSummary <TKey, TValue> summary = new ArchiveTableSummary <TKey, TValue>(table);
if (!summary.IsEmpty)
{
summaryTables.Add(summary);
if (startKey.IsGreaterThan(summary.FirstKey))
{
summary.FirstKey.CopyTo(startKey);
}
if (endKey.IsLessThan(summary.LastKey))
{
summary.LastKey.CopyTo(endKey);
}
}
}
foreach (SortedTreeTable <TKey, TValue> table in pendingTables2)
{
ArchiveTableSummary <TKey, TValue> summary = new ArchiveTableSummary <TKey, TValue>(table);
if (!summary.IsEmpty)
{
summaryTables.Add(summary);
if (startKey.IsGreaterThan(summary.FirstKey))
{
summary.FirstKey.CopyTo(startKey);
}
if (endKey.IsLessThan(summary.LastKey))
{
summary.LastKey.CopyTo(endKey);
}
}
}
foreach (SortedTreeTable <TKey, TValue> table in pendingTables3)
{
ArchiveTableSummary <TKey, TValue> summary = new ArchiveTableSummary <TKey, TValue>(table);
if (!summary.IsEmpty)
{
summaryTables.Add(summary);
if (startKey.IsGreaterThan(summary.FirstKey))
{
summary.FirstKey.CopyTo(startKey);
}
if (endKey.IsLessThan(summary.LastKey))
{
summary.LastKey.CopyTo(endKey);
}
}
}
long size = summaryTables.Sum(x => x.SortedTreeTable.BaseFile.ArchiveSize);
if (summaryTables.Count > 0)
{
using (UnionTreeStream <TKey, TValue> reader = new UnionTreeStream <TKey, TValue>(summaryTables.Select(x => new ArchiveTreeStreamWrapper <TKey, TValue>(x)), true))
{
SortedTreeTable <TKey, TValue> newTable = m_createNextStageFile.CreateArchiveFile(startKey, endKey, size, reader, null);
using (ArchiveListEditor <TKey, TValue> edit = m_list.AcquireEditLock())
{
//Add the newly created file.
edit.Add(newTable);
foreach (SortedTreeTable <TKey, TValue> table in pendingTables1)
{
edit.TryRemoveAndDelete(table.ArchiveId);
}
foreach (SortedTreeTable <TKey, TValue> table in pendingTables2)
{
edit.TryRemoveAndDelete(table.ArchiveId);
}
foreach (SortedTreeTable <TKey, TValue> table in pendingTables3)
{
edit.TryRemoveAndDelete(table.ArchiveId);
}
}
}
}
m_lastRolledOverSequenceNumber.Value = sequenceNumber;
if (RolloverComplete != null)
{
RolloverComplete(sequenceNumber);
}
}
/// <summary>
/// Appends this data to this stage. Also queues up for deletion if necessary.
/// </summary>
/// <param name="args">arguments handed to this class from either the
/// PrestageWriter or another StageWriter of a previous generation</param>
/// <remarks>
/// This method must be called in a single threaded manner.
/// </remarks>
public void AppendData(PrebufferRolloverArgs <TKey, TValue> args)
{
if (m_stopped)
{
Log.Publish(MessageLevel.Info, "No new points can be added. Point queue has been stopped. Data in rollover will be lost");
return;
}
if (m_disposed)
{
Log.Publish(MessageLevel.Info, "First stage writer has been disposed. Data in rollover will be lost");
return;
}
SortedTreeFile file = SortedTreeFile.CreateInMemory(4096);
SortedTreeTable <TKey, TValue> table = file.OpenOrCreateTable <TKey, TValue>(m_settings.EncodingMethod);
using (SortedTreeTableEditor <TKey, TValue> edit = table.BeginEdit())
{
edit.AddPoints(args.Stream);
edit.Commit();
}
bool shouldWait = false;
//If there is data to write then write it to the current archive.
lock (m_syncRoot)
{
if (m_stopped)
{
Log.Publish(MessageLevel.Info, "No new points can be added. Point queue has been stopped. Data in rollover will be lost");
table.Dispose();
return;
}
if (m_disposed)
{
Log.Publish(MessageLevel.Info, "First stage writer has been disposed. Data in rollover will be lost");
table.Dispose();
return;
}
using (ArchiveListEditor <TKey, TValue> edit = m_list.AcquireEditLock())
{
edit.Add(table);
}
m_pendingTables1.Add(table);
if (m_pendingTables1.Count == 10)
{
using (UnionTreeStream <TKey, TValue> reader = new UnionTreeStream <TKey, TValue>(m_pendingTables1.Select(x => new ArchiveTreeStreamWrapper <TKey, TValue>(x)), true))
{
SortedTreeFile file1 = SortedTreeFile.CreateInMemory(4096);
SortedTreeTable <TKey, TValue> table1 = file1.OpenOrCreateTable <TKey, TValue>(m_settings.EncodingMethod);
using (SortedTreeTableEditor <TKey, TValue> edit = table1.BeginEdit())
{
edit.AddPoints(reader);
edit.Commit();
}
using (ArchiveListEditor <TKey, TValue> edit = m_list.AcquireEditLock())
{
//Add the newly created file.
edit.Add(table1);
foreach (SortedTreeTable <TKey, TValue> table2 in m_pendingTables1)
{
edit.TryRemoveAndDelete(table2.ArchiveId);
}
}
m_pendingTables2.Add(table1);
m_pendingTables1.Clear();
}
}
if (m_pendingTables2.Count == 10)
{
using (UnionTreeStream <TKey, TValue> reader = new UnionTreeStream <TKey, TValue>(m_pendingTables2.Select(x => new ArchiveTreeStreamWrapper <TKey, TValue>(x)), true))
{
SortedTreeFile file1 = SortedTreeFile.CreateInMemory(4096);
SortedTreeTable <TKey, TValue> table1 = file1.OpenOrCreateTable <TKey, TValue>(m_settings.EncodingMethod);
using (SortedTreeTableEditor <TKey, TValue> edit = table1.BeginEdit())
{
edit.AddPoints(reader);
edit.Commit();
}
using (ArchiveListEditor <TKey, TValue> edit = m_list.AcquireEditLock())
{
//Add the newly created file.
edit.Add(table1);
foreach (SortedTreeTable <TKey, TValue> table2 in m_pendingTables2)
{
edit.TryRemoveAndDelete(table2.ArchiveId);
}
}
m_pendingTables3.Add(table1);
m_pendingTables2.Clear();
}
}
m_lastCommitedSequenceNumber.Value = args.TransactionId;
long currentSizeMb = (m_pendingTables1.Sum(x => x.BaseFile.ArchiveSize) + m_pendingTables2.Sum(x => x.BaseFile.ArchiveSize)) >> 20;
if (currentSizeMb > m_settings.MaximumAllowedMb)
{
shouldWait = true;
m_rolloverTask.Start();
m_rolloverComplete.Reset();
}
else if (currentSizeMb > m_settings.RolloverSizeMb)
{
m_rolloverTask.Start();
}
else
{
m_rolloverTask.Start(m_settings.RolloverInterval);
}
}
if (SequenceNumberCommitted != null)
{
SequenceNumberCommitted(args.TransactionId);
}
if (shouldWait)
{
Log.Publish(MessageLevel.NA, MessageFlags.PerformanceIssue, "Queue is full", "Rollover task is taking a long time. A long pause on the inputs is about to occur.");
m_rolloverComplete.WaitOne();
}
}