[arvados] Triggering Keep garbage collection

[George Chlipala]

Is there any information about tuning/configuring garbage collection for
the keep data manager?  Or is garbage collection not yet implemented?


George Chlipala, Ph.D.
Senior Research Specialist
Research Resources Center
University of Illinois at Chicago

phone: 312-413-1700
email: gchlip2 at uic.edu

On Thu, Jan 26, 2017 at 11:57 AM, George Chlipala <gchlip2 at uic.edu> wrote:

> Is a way to trigger the keep data manager to perform garbage collection or
> if it is possible to know/modify the garbage collection cycle?
>
> We were performing a deletion test from within arvados to see if the keep
> would delete blocks that are no longer used.  We had uploaded new data and
> saw that the disk usage for the keep store had increased by 8GB.  However,
> when we deleted the collection from the arvados workbench, we did not see
> the disk usage decrease by the same amount.  Between the adding and
> deletion we did not upload any additional data that might reference the new
> blocks as well, so I would expect that the keep store should release that
> space.
>
> Any help in this matter would be greatly appreciated.
>
> Thanks!
>
> George Chlipala, Ph.D.
> Senior Research Specialist
> Research Resources Center
> University of Illinois at Chicago
>
> phone: 312-413-1700 <(312)%20413-1700>
> email: gchlip2 at uic.edu
>
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