set num partitions equal to num images in BotoS3ParallelReader
set num partitions equal to num images in BotoS3ParallelReader

broxtronix/thunder,zhwa/thunder,oliverhuangchao/thunder,mikarubi/thunder,pearsonlab/thunder,jwittenbach/thunder,mikarubi/thunder,oliverhuangchao/thunder,zhwa/thunder,kunallillaney/thunder,thunder-project/thunder,poolio/thunder,kunallillaney/thunder,kcompher/thunder,kcompher/thunder,broxtronix/thunder,j-friedrich/thunder,poolio/thunder,pearsonlab/thunder,j-friedrich/thunder