public async Task CommitTran(Tran tran)
{
await _commitLock.WaitAsync().ConfigureAwait(false);
try
{
using (Measured.Operation("wal_commit"))
{
foreach (var doc in tran.Documents)
{
doc.Id = _docIdGenerator.GetNextId();
}
await DocumentSerializer.SerializeBatch(tran.Documents, _file).ConfigureAwait(false);
await _file.FlushAsync().ConfigureAwait(false);
}
}
finally
{
_commitLock.Release();
}
}
private async Task <DataFileCommitInfo> Commit()
{
var compression = new CompressionUtils();
var commitInfo = new DataFileCommitInfo();
while (_nonPersistedQ.Count >= _batchSize)
{
var batchStartPos = _file.Position;
var nextBatch = ReadNextBatchFromQueue();
using (var ms = new MemoryStream())
{
await DocumentSerializer.SerializeBatch(nextBatch, ms).ConfigureAwait(false);
await compression.CopyWithCompression(ms, _file).ConfigureAwait(false);
await _file.FlushAsync().ConfigureAwait(false);
}
commitInfo.RecordCommittedBatch(batchStartPos, nextBatch);
}
return(commitInfo);
}
