/// <summary>
/// Creates a new <see cref="ServerDatabaseSettings"/>
/// </summary>
public ServerDatabaseSettings()
{
m_databaseName = string.Empty;
m_archiveList = new ArchiveListSettings();
m_writeProcessor = new WriteProcessorSettings();
m_rolloverLog = new RolloverLogSettings();
m_keyType = Guid.Empty;
m_valueType = Guid.Empty;
m_streamingEncodingMethods = new ImmutableList <EncodingDefinition>(x =>
{
if (x is null)
{
throw new ArgumentNullException("value");
}
return(x);
});
}
private void ToWriteProcessorSettings(WriteProcessorSettings settings)
{
string intermediateFilePendingExtension;
string intermediateFileFinalExtension;
string finalFilePendingExtension;
string finalFileFinalExtension;
ValidateExtension(IntermediateFileExtension, out intermediateFilePendingExtension, out intermediateFileFinalExtension);
ValidateExtension(FinalFileExtension, out finalFilePendingExtension, out finalFileFinalExtension);
if (m_supportsWriting)
{
List <string> finalPaths = new List <string>();
if (FinalWritePaths.Count > 0)
{
finalPaths.AddRange(FinalWritePaths);
}
else
{
finalPaths.Add(m_mainPath);
}
settings.IsEnabled = true;
//0.1 seconds
settings.PrebufferWriter.RolloverInterval = m_cacheFlushInterval;
settings.PrebufferWriter.MaximumPointCount = 25000;
settings.PrebufferWriter.RolloverPointCount = 25000;
//10 seconds
settings.FirstStageWriter.MaximumAllowedMb = 100; //about 10 million points
settings.FirstStageWriter.RolloverSizeMb = 100; //about 10 million points
settings.FirstStageWriter.RolloverInterval = m_diskFlushInterval; //10 seconds
settings.FirstStageWriter.EncodingMethod = ArchiveEncodingMethod;
settings.FirstStageWriter.FinalSettings.ConfigureOnDisk(new string[] { m_mainPath }, 1024 * 1024 * 1024, ArchiveDirectoryMethod.TopDirectoryOnly, ArchiveEncodingMethod, "stage1", intermediateFilePendingExtension, intermediateFileFinalExtension, FileFlags.Stage1, FileFlags.IntermediateFile);
for (int stage = 2; stage <= StagingCount; stage++)
{
int remainingStages = StagingCount - stage;
var rollover = new CombineFilesSettings();
if (remainingStages > 0)
{
rollover.ArchiveSettings.ConfigureOnDisk(new string[] { m_mainPath }, 1024 * 1024 * 1024,
ArchiveDirectoryMethod.TopDirectoryOnly, ArchiveEncodingMethod, "stage" + stage,
intermediateFilePendingExtension, intermediateFileFinalExtension, FileFlags.GetStage(stage), FileFlags.IntermediateFile);
}
else
{
//Final staging file
rollover.ArchiveSettings.ConfigureOnDisk(finalPaths, 5 * 1024L * 1024 * 1024,
m_directoryMethod, ArchiveEncodingMethod, m_databaseName.ToNonNullNorEmptyString("stage" + stage).RemoveInvalidFileNameCharacters(),
finalFilePendingExtension, finalFileFinalExtension, FileFlags.GetStage(stage));
}
rollover.LogPath = m_mainPath;
rollover.ExecuteTimer = 1000;
rollover.CombineOnFileCount = 60;
rollover.CombineOnFileSize = m_targetFileSize / (long)Math.Pow(30, remainingStages);
rollover.MatchFlag = FileFlags.GetStage(stage - 1);
settings.StagingRollovers.Add(rollover);
}
}
}