private void SendDocumentsBatch(DocumentsOperationContext documentsContext, OutgoingReplicationStatsScope stats)
{
if (_log.IsInfoEnabled)
{
_log.Info($"Starting sending replication batch ({_parent._database.Name}) with {_orderedReplicaItems.Count:#,#;;0} docs, and last etag {_lastEtag:#,#;;0}");
}
var sw = Stopwatch.StartNew();
var headerJson = new DynamicJsonValue
{
[nameof(ReplicationMessageHeader.Type)] = ReplicationMessageType.Documents,
[nameof(ReplicationMessageHeader.LastDocumentEtag)] = _lastEtag,
[nameof(ReplicationMessageHeader.ItemsCount)] = _orderedReplicaItems.Count,
[nameof(ReplicationMessageHeader.AttachmentStreamsCount)] = _replicaAttachmentStreams.Count
};
stats.RecordLastEtag(_lastEtag);
_parent.WriteToServer(headerJson);
foreach (var item in _orderedReplicaItems)
{
using (Slice.From(documentsContext.Allocator, item.Value.ChangeVector, out var cv))
{
item.Value.Write(cv, _stream, _tempBuffer, stats);
}
}
foreach (var item in _replicaAttachmentStreams)
{
item.Value.WriteStream(_stream, _tempBuffer);
stats.RecordAttachmentOutput(item.Value.Stream.Length);
}
// close the transaction as early as possible, and before we wait for reply
// from other side
documentsContext.Transaction.Dispose();
_stream.Flush();
sw.Stop();
if (_log.IsInfoEnabled && _orderedReplicaItems.Count > 0)
{
_log.Info($"Finished sending replication batch. Sent {_orderedReplicaItems.Count:#,#;;0} documents and {_replicaAttachmentStreams.Count:#,#;;0} attachment streams in {sw.ElapsedMilliseconds:#,#;;0} ms. Last sent etag = {_lastEtag:#,#;;0}");
}
var(type, _) = _parent.HandleServerResponse();
if (type == ReplicationMessageReply.ReplyType.MissingAttachments)
{
MissingAttachmentsInLastBatch = true;
return;
}
_parent._lastSentDocumentEtag = _lastEtag;
_parent._lastDocumentSentTime = DateTime.UtcNow;
}
private void SendDocumentsBatch()
{
if (_log.IsInfoEnabled)
{
_log.Info(
$"Starting sending replication batch ({_parent._database.Name}) with {_orderedReplicaItems.Count:#,#;;0} docs, and last etag {_lastEtag}");
}
var sw = Stopwatch.StartNew();
try
{
var headerJson = new DynamicJsonValue
{
[nameof(ReplicationMessageHeader.Type)] = ReplicationMessageType.Documents,
[nameof(ReplicationMessageHeader.LastDocumentEtag)] = _lastEtag,
[nameof(ReplicationMessageHeader.LastIndexOrTransformerEtag)] = _parent._lastSentIndexOrTransformerEtag,
[nameof(ReplicationMessageHeader.ItemCount)] = _orderedReplicaItems.Count
};
_parent.WriteToServerAndFlush(headerJson);
foreach (var item in _orderedReplicaItems)
{
WriteDocumentToServer(item.Value.Key, item.Value.ChangeVector, item.Value.Data,
item.Value.Collection);
}
}
finally //do try-finally as precaution
{
// we can release the read transaction while we are waiting for
// reply from the server and not hold it for a long time
_parent._documentsContext.Transaction.Dispose();
}
_stream.Flush();
sw.Stop();
_parent._lastSentDocumentEtag = _lastEtag;
if (_log.IsInfoEnabled && _orderedReplicaItems.Count > 0)
{
_log.Info(
$"Finished sending replication batch. Sent {_orderedReplicaItems.Count:#,#;;0} documents in {sw.ElapsedMilliseconds:#,#;;0} ms. Last sent etag = {_lastEtag}");
}
_parent._lastDocumentSentTime = DateTime.UtcNow;
using (_parent._documentsContext.OpenReadTransaction())
using (_parent._configurationContext.OpenReadTransaction())
{
_parent.HandleServerResponse();
}
}
private void SendIndexTransformerBatch()
{
//if we have empty documents batch we send a heartbeat;
//for indexes/transformers we don't do this, hence this condition
if (_orderedReplicaItems.Count == 0)
{
return;
}
if (_log.IsInfoEnabled)
{
_log.Info(
$"Starting sending replication batch ({_parent._database.Name}) with {_orderedReplicaItems.Count:#,#;;0} indexes/transformers, and last etag {LastEtag}");
}
var sw = Stopwatch.StartNew();
var headerJson = new DynamicJsonValue
{
[nameof(ReplicationMessageHeader.Type)] = ReplicationMessageType.IndexesTransformers,
[nameof(ReplicationMessageHeader.LastDocumentEtag)] = _parent._lastSentDocumentEtag,
[nameof(ReplicationMessageHeader.LastIndexOrTransformerEtag)] = LastEtag,
[nameof(ReplicationMessageHeader.ItemCount)] = _orderedReplicaItems.Count
};
_parent.WriteToServerAndFlush(headerJson);
foreach (var item in _orderedReplicaItems)
{
WriteMetadataToServer(item.Value);
}
_stream.Flush();
sw.Stop();
_parent._lastSentIndexOrTransformerEtag = LastEtag;
if (_log.IsInfoEnabled && _orderedReplicaItems.Count > 0)
{
_log.Info(
$"Finished sending replication batch. Sent {_orderedReplicaItems.Count:#,#;;0} documents in {sw.ElapsedMilliseconds:#,#;;0} ms. Last sent etag = {LastEtag}");
}
_parent._lastIndexOrTransformerSentTime = DateTime.UtcNow;
_parent.HandleServerResponse();
}