ctop is a new command line based tool available to monitor the processes
at the container level. Containers provide operating system level
virtualization environment by making use of the cgroups resource
management functionality. This tool collects data related to memory,
cpu, block IO and metadata like owner, uptime etc from cgroups and
presents it in a user readable format so that one can quickly asses the
overall health of the system. Based on the data collected, it tries to
guess the underlying container technology. ctop is useful in detecting
who is using large amounts of memory under low memory situations.
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