using (IRedisClient client = defaultFactory.GetClient())
{
    client.Hashes[cacheName][key] = SerializationHelper.Serialize(value, ST.Binary);
}

[Managed to Native Transition]
System.dll!System.Net.Sockets.Socket.Receive(byte[] buffer, int offset, int size, System.Net.Sockets.SocketFlags socketFlags, out System.Net.Sockets.SocketError errorCode) + 0xbd bytes
System.dll!System.Net.Sockets.Socket.Receive(byte[] buffer, int offset, int size, System.Net.Sockets.SocketFlags socketFlags) + 0x1d bytes
System.dll!System.Net.Sockets.NetworkStream.Read(byte[] buffer, int offset, int size) + 0x83 bytes
mscorlib.dll!System.IO.BufferedStream.ReadByte() + 0xa9 bytes
ServiceStack.Redis.dll!ServiceStack.Redis.RedisNativeClient.SafeReadByte() + 0x25 bytes
ServiceStack.Redis.dll!ServiceStack.Redis.RedisNativeClient.ReadLong() + 0x3b bytes
ServiceStack.Redis.dll!ServiceStack.Redis.RedisNativeClient.SendExpectLong(byte[][] cmdWithBinaryArgs) + 0xa6 bytes
ServiceStack.Redis.dll!ServiceStack.Redis.RedisNativeClient.HSet(string hashId, byte[] key, byte[] value) + 0xbd bytes
ServiceStack.Redis.dll!ServiceStack.Redis.RedisClient.SetEntryInHash(string hashId, string key, string value) + 0x5d bytes
ServiceStack.Redis.dll!ServiceStack.Redis.RedisClientHash.this[string].set(string key, string value) + 0x48 bytes