/usr/local/cpanel/3rdparty/bin/pigz -9 --processes 7 --blocksize 128 - long time process

Hi, i see this process:
/usr/local/cpanel/3rdparty/bin/pigz -9 --processes 7 --blocksize 128
in my WHM / Process manager it is runing long time (a few minutes) and do not disappear while taking around 160-180% of the CPU (CPU % column) it disappeared and then appeared again with 389% CPU :-(