[Bioperl-l] Problem When searching PubMed

Chris Fields cjfields at illinois.edu
Thu Dec 18 16:12:20 EST 2008

On Dec 18, 2008, at 2:24 PM, Hilmar Lapp wrote:

> On Dec 18, 2008, at 12:46 PM, Chris Fields wrote:
>> Note that this calls the server over and over with a timeout in  
>> between; I would highly recommend NOT retrieving 100000 records at  
>> NCBI peak use times
> NCBI may (and in the past has) also block your IP if you do that. Be  
> nice to them, they're providing a great service.
> 	-hilmar
> -- 
> ===========================================================
> : Hilmar Lapp  -:-  Durham, NC  -:-  hlapp at gmx dot net :
> ===========================================================

They are usually forgiving when we go with the 3s timeout.  I have  
thought about implementing something for EUtilities that uses  
localtime to determine when the request is sent and scale the timeout  
longer if it is at peak times (for this very reason, i.e. don't abuse  
the server).


More information about the Bioperl-l mailing list