[Xapian-discuss] How does remote server work?

[Jim]

Olly Betts wrote:
> On Sat, Nov 28, 2009 at 07:23:22AM -0500, Jim wrote:
>   
>> I'm concerned that there will be a performance hit if there is a large
>> amount of data transferred over a slow link.  Does the actual search
>> occur on the client or the server side?  If on the client side, then how
>> much data is transferred?  If it's on the server side then can I assume
>> that a small amount of data is pushed to the server and just the results
>> returned?
>>     
>
> A search is performed on the server and the resulting MSet serialised and
> returned to the client.  If there are other sub-databases (local or
> remote), the results are merged to give the final MSet.  So it should
> behave fairly well on slower connections.  We also try to minimise the
> number of exchanges required for the benefit of high latency connections.
>
> If you find it is slower than you'd like, all the messages are sent and
> received by the same mechanism, so you could easily dump out the message
> type and size to see what is going on.
>
> Cheers,
>     Olly
>
>   
Thanks,

I am sure that will work fine.  I was just concerned that it might want 
to transfer large blocks of the index files.  The connection isn't that 
slow but gigabytes of data over even a fairly fast connection takes a 
while. 

Jim.