[Bioperl-l] Zombie processes with GenBank get_Seq_by_acc()

Kevin Brown Kevin.M.Brown at asu.edu
Tue May 10 20:57:04 UTC 2011


Seeing your code might help. They could just be forked children waiting
for the script to exit before they go away or something else forked them
and failed to clean up before quitting.

> -----Original Message-----
> From: bioperl-l-bounces at lists.open-bio.org [mailto:bioperl-l-
> bounces at lists.open-bio.org] On Behalf Of Belaid MOA
> Sent: Tuesday, May 10, 2011 1:41 PM
> To: bioperl-l at lists.open-bio.org
> Subject: [Bioperl-l] Zombie processes with GenBank get_Seq_by_acc()
> 
> 
> Dear All,
>   I installed the latest version of BioPerl and I ran a very simple
> code: it goes through each line (an ACC) in a file and uses GenBank to
> get the sequence
> via get_Seq_by_acc(). A look at ps shows that there were a lot of
> zombie processes (with <defunct> attribute) created. The list grows
> with the time.
> This means that Bio:DB:GenBank is forking and not cleaning the
> children. Is there any way to overcome the issue? Moreover, is there
> any way
> to specify the number of forked processes?
> 
> With best regards,
> -Belaid.
> 
> _______________________________________________
> Bioperl-l mailing list
> Bioperl-l at lists.open-bio.org
> http://lists.open-bio.org/mailman/listinfo/bioperl-l




More information about the Bioperl-l mailing list