Originally posted by sdvie
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Actually, I tried the mapping several times. At the beginning, the size of the output file kept increasing and the Bowtie command only took about 2 GB RAM. After several minutes, the size stopped increasing but the RAM used by Bowtie command rise steadily to reach about 30 GB and then froze there.
Another interesting thing is that there is a difference between output file sizes when I specified different number of cores used. i.e. the output file size is 2.66 GB when I used option '-p 10', but 2.38 GB without this option. There are about 3 M aligns different. How can this happen?
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