Compile results seems to crash the server. Reduce memory footprint and retry result

[andrew-e]

try to delete and re-upload this one that was causing problems before:
/oradiskvdb1/data/gwas_upload/eac8d374-92dd-2f1a-1ffc-a958c5dc3875lee2025_hfall_multianc_clean.tsv.gz

I've made some changes to data.table