func SaveMatrixShard(client fs.Client, shard *pb.MatrixShard, path string) error {
buf, seErr := toByte(shard)
if seErr != nil {
return seErr
}
writer, oErr := client.OpenWriteCloser(path)
if oErr != nil {
return oErr
}
_, wErr := writer.Write(buf)
return wErr
}
