MultiQC may fail with big sample groups

[nsharp2]

While generating the reference healthy gut dataset (844 samples at once) for this microbiomics pipeline, the MultiQC step failed due to lack of memory. The retry failed as well.

Error executing process > 'NFCORE_TAXPROFILER:TAXPROFILER:MULTIQC (1)'

Caused by:
  Essential container in task exited - OutOfMemoryError: Container killed due to memory usage

Command executed:

  cd multiqc_custom_plugins                                                                                                                                    python setup.py develop
  cd ..

  multiqc \
      --force \
       \
      --config multiqc_config.yml \
       \
      -m composition_barplots \
      -m fastqc \
      -m fastp \
      -m bowtie2 \
      -m bbduk \
      -m plot_heatmap \
      -m custom_content \
      .

  cat <<-END_VERSIONS > versions.yml
  "NFCORE_TAXPROFILER:TAXPROFILER:MULTIQC":
      multiqc: $( multiqc --version | sed -e "s/multiqc, version //g" )
  END_VERSIONS

Command exit status:
  137

[zxl124]

#61 should alleviate this problem. Not sure if it's completely fixed though