[Monetdb-developers] MapiClient asynchronous interface?

Fabian Groffen Fabian.Groffen at cwi.nl
Sat Nov 18 15:43:51 CET 2006


Hi Johann,

I don't really understand what you mean by "asynchronous" in the sense
of Mapi(Client).  Can you give an example of what you ideally would like
to do?


On 18-11-2006 15:47:47 +0100, Johann Borck wrote:
> Hi all,
> 
> I'm using MonetDB as backend for an asynchronous server, and would like
> to stick to this concurrency model. I'm aware of the TCP/IP module,
> which supports async io, but as far as I understood it is made for
> interaction between MonetDB servers. Could someone make an estimation
> about the effort required to change MapiClient to perform asynchronous
> operations vs. making use of the TCP/IP module ("faking" another monetdb
> instance) from a client?  My impression from a shallow look at the code
> is, that the TCP/IP module transfers bats in binary format, whereas
> mapi-module/MapiClient have to format/parse strings, is that correct?
> And if, does maybe someone have an idea about the overhead that the
> string handling of the mapi-interface introduces?
> 
> Thanks a lot, Johann
> 
> 
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