find . -type d -name 'tmp_c*' | xargs du -hcs {} ; +

140K    ./r/g/userid/attach/tmp_c_241091464_2
68K     ./r/g/userid/attach/tmp_c_58367014_undefined
2.3G    total

2.3G    total
978M    total
1.1G    total
2.0G    total
1.1G    total