private void DisposeIndexWriter()
{
if (_indexWriter == null)
{
return;
}
var writer = _indexWriter;
_indexWriter = null;
try
{
writer.Analyzer.Close();
}
catch (Exception e)
{
if (_logger.IsInfoEnabled)
{
_logger.Info("Error while closing the index (closing the analyzer failed)", e);
}
}
try
{
writer.Dispose(waitForMerges: false);
}
catch (Exception e)
{
if (_logger.IsInfoEnabled)
{
_logger.Info("Error when closing the index", e);
}
}
}
private void CreateIndexWriter(IState state)
{
_indexWriter = new TimeTrackingIndexWriter(_directory, _analyzer, _indexDeletionPolicy, _maxFieldLength, state);
_indexWriter.UseCompoundFile = false;
_indexWriter.SetMergePolicy(new LogByteSizeMergePolicy(_indexWriter)
{
MaxMergeMB = _index.Configuration.MaximumSizePerSegment.GetValue(SizeUnit.Megabytes),
MergeFactor = _index.Configuration.MergeFactor,
LargeSegmentSizeMB = _index.Configuration.LargeSegmentSizeToMerge.GetValue(SizeUnit.Megabytes),
NumberOfLargeSegmentsToMergeInSingleBatch = _index.Configuration.NumberOfLargeSegmentsToMergeInSingleBatch
});
if (_indexReaderWarmer != null)
{
_indexWriter.MergedSegmentWarmer = _indexReaderWarmer;
}
var scheduler = new TimeTrackingSerialMergeScheduler(_index);
_indexWriter.InitializeMergeScheduler(scheduler, state);
// RavenDB already manages the memory for those, no need for Lucene to do this as well
_indexWriter.SetMaxBufferedDocs(IndexWriter.DISABLE_AUTO_FLUSH);
_indexWriter.SetRAMBufferSizeMB(1024);
}