Hi Christopher,

If your galaxy is configured to set metadata externally then you shouldn't
see samtools index being run on the node that runs galaxy 
(On a side-note galaxy will use pysam starting from release 18.01).
One possibility is that the metadata setting failed, and it has been tried again internally.
You can control this with the `retry_metadata_internally` option in your galaxy.yml / galaxy.ini
file.

Best,
Marius

On 24 April 2018 at 15:55, Previti <christopher.previti@dkfz-heidelberg.de> wrote:

Dear all,

We found something strange with our Galaxy instance...

Our Galaxy server is configured as a submit node using slurm to submit to our cluster.

This works fine for the most part, but today we saw a samtools index job running "locally" on the submit node instead of a  cluster node.

Is there any way of stopping this behavior? The submit nodes are not configured for data-intensive computation and everything runs significantly slower.

I was running bamtools (splitting a bam-file into mapped into unmapped) at the time and the output bam-files were being indexed. 

Thanks and best regards,

Christopher

--
Dr. Christopher Previti
Genomics and
Proteomics Core Facility
High Throughput Sequencing (W190)
Bioinformatician

German Cancer Research Center (DKFZ)
Foundation under Public Law
Im Neuenheimer Feld 580
69120 Heidelberg
Germany
Room: B2.102 (INF580/TP3)
Phone: +49 6221 42-4661

christopher.previti@dkfz.de
www.dkfz.de

Management Board: Prof. Dr. Michael Baumann, Prof. Dr. Josef Puchta
VAT-ID No.: DE143293537

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