Actually this works like charm.
Thanks Dave.
On Jul 29, 7:29 pm, David Yu <david.yu....@gmail.com> wrote:
> On Fri, Jul 30, 2010 at 3:47 AM, David <david.kum...@gmail.com> wrote:
> > Hi all, I was finally able to write protocol buffers code over REST
> > and did some comparison with XStream which we are currently uses.
> > Everything seems great, only stumble with one thing.
>
> > We have very large messages in one particular attributes, say
> > something like this
>
> > message Data {
> > optional string datavalue=1;
> > }
> > Datavalue above are extremely huge text messages. Size is 512kb - 5
> > Mb.
>
> > Protocol buffers deserialize just fine, with superb performance
> > comparing to XStream. However, I notice when I send this message to
> > wire (via REST), it took longer to get response. Always twice longer
> > than XStream. I am thinking this might come from serializing time.
>
> It might be something to do with the utf8 serialization of the string.
> There are two sets of byte arrays that need to be utf-encoded upon
> serializing your message (costly especially for large strings like what you
> have).
> Try changing the field to ByteString. (optional bytes datavalue=1)
>
>
>
>
>
> > From google documents, it says Protocol buffers is not designed to
> > handle very large messages, although it can handle very large data
> > set.
>
> > I was wondering if anyone has some opinion or maybe solution from my
> > case above?
>
> > Thanks
>
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> --
> When the cat is away, the mouse is alone.
> - David Yu
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