ionice
Get or set program I/O scheduling class and priority. Scheduling classes: 1 (realtime), 2 (best-effort), 3 (idle). Priority levels: 0 (the highest) - 7 (the lowest). More information: <https://manned.org/ionice>.
RUN apt-get update && \
apt-get install -y util-linux
RUN apt-get update && \
apt-get install -y util-linux
RUN apk add util-linux
RUN pacman -S --noconfirm util-linux
RUN apt-get update && \
apt-get install -y util-linux
RUN yum install -y util-linux
RUN dnf install -y util-linux
RUN apt-get update && \
apt-get install -y util-linux