private const UInt32 MaximumL7ConversationPdusShardSize = 25_000_000; // 25MB, 134MB (128 MiB) Cassandra mutation limit
public static IEnumerable <L7ConversationPdusShardEntity> ShardL7ConversationPdus(L7Conversation l7Conversation)
{
var currentShardNum = 0;
var currentShardSize = 0;
var currentShardPdusBuffer = new List <L7PduEntity>();
foreach (var pdu in l7Conversation.Pdus)
{
var pduEntity = L7PduMapper.Map(pdu);
currentShardPdusBuffer.Add(pduEntity);
currentShardSize += pduEntity.Payload.Length;
if (currentShardSize < MaximumL7ConversationPdusShardSize)
{
continue;
}
yield return(new L7ConversationPdusShardEntity
{
L7ConversationId = l7Conversation.Id,
Pdus = currentShardPdusBuffer.ToArray(),
Shard = currentShardNum
});
currentShardSize = 0;
currentShardNum++;
currentShardPdusBuffer.Clear();
}
if (currentShardPdusBuffer.Any())
{
yield return(new L7ConversationPdusShardEntity
{
L7ConversationId = l7Conversation.Id,
Pdus = currentShardPdusBuffer.ToArray(),
Shard = currentShardNum
});
}
}
public void ManualMapperBenchmark()
{
var l7Pdu = L7PduMapper.Map(this._l7Pdu);
}
