Sorting of a bam file takes toooo long time

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I am trying to use samtools sort function to sort a bam file (named as PT2) (size 180 megabite), which is not large. The sorting never end and no error message appeared. I have checked the memory of the VM Ubunto using (meminfo file in the proc folder on the home account). Also I have around 80 gig disc space

First code (extremely slow) :

samtools sort -o outputs/PT2_sorted.bam outputs/PT2.bam

second code (very slow):

samtools sort -o outputs/PT2_sorted.bam outputs/PT2.bam

What do you think is a reason behind this slow working ? any advice ?

Thanks


file


linux


bam

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