[kepler-dev] cache file name

[Jing Tao]

Yep, attaching random number is a simple tmp solution, I think.

Jing

Jing Tao
National Center for Ecological
Analysis and Synthesis (NCEAS)
735 State St. Suite 204
Santa Barbara, CA 93101

On Tue, 15 Nov 2005, Efrat Frank wrote:

> Date: Tue, 15 Nov 2005 13:59:08 -0800
> From: Efrat Frank <efrat at sdsc.edu>
> To: Jing Tao <tao at nceas.ucsb.edu>
> Cc: kepler-dev at ecoinformatics.org
> Subject: Re: [kepler-dev] cache file name
> 
> How about concatanating a random number to the timestamp as a temporary 
> solution?
>
> - Efrat
>
> Jing Tao wrote:
>
>> Hi devs:
>> 
>> Just now Dan and I found a bug for cache file name. Currently after 
>> download a doc, the cache manager will assign it a name. The name come from 
>> download time (by milli seconds) with file extension ".dat". It worked fine 
>> for a while.
>> 
>> But dan got a fast machine, then issues came out: it seems when he tried to 
>> open a workflow (there are 10 data resource actors there), two documents 
>> can be download at exactly same time and manager assigned same cache file 
>> name to them. One will overwrite another one. Two different data source 
>> will point to same chache file.
>> 
>> I think we should need another mechanism to assign cache file name.
>> 
>> Thanks,
>> 
>> Jing
>> 
>> Jing Tao
>> National Center for Ecological
>> Analysis and Synthesis (NCEAS)
>> 735 State St. Suite 204
>> Santa Barbara, CA 93101
>> _______________________________________________
>> Kepler-dev mailing list
>> Kepler-dev at ecoinformatics.org
>> http://mercury.nceas.ucsb.edu/ecoinformatics/mailman/listinfo/kepler-dev
>> 
>