Hello Konrad,

On May 13, 2014, at 5:37 AM, Konrad Urbanski <[email protected]> wrote:

> 1. is the memory need for the fossology depending on the largest git blob (of 
> several git repositories), or is the combined size of all git blobs (pointed 
> to by HEAD in all git repositories) is required?

There is only one git repository for fossology:

http://www.fossology.org/projects/fossology/wiki/Git_Download

However, there is a fossology SPDX module in a second git repository from the 
University of Omaha, Nebraska.  You can download the source and learn about it 
here:

http://spdxhub.ist.unomaha.edu


> 2. when in comes to working fossology, when this program working is it stores 
> uploaded data in its own filesystem repository only during the scanning 
> operation or after the operation also analysed data is stored forever in its 
> own fossology filesystem repository.

It is stored until you delete the upload.  In the fossology main menu you can 
chose,  Organize > Uploads > Delete Uploaded File.  
We would like to add the ability to auto archive/delete uploads but haven’t 
gotten to it yet.  With this option you could have an upload automatically 
archived or deleted after some time period.

Since you are familiar with git, I’d like to add that fossology also uses 
content addressable memory.  So if you upload mypkg.src.rpm, change 2 files and 
then upload the new version, only those two changed files will take up storage 
in the file repository and only those two files will be rescanned.  

Thanks,
Bob Gobeille
FOSSology project leader
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