mirror of https://gitee.com/bigwinds/arangodb
34 lines
714 B
Bash
Executable File
34 lines
714 B
Bash
Executable File
#!/usr/bin/env bash
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# limit memory useage for process
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# using control groups https://en.wikipedia.org/wiki/Cgroups
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# @author Jan Christoph Uhde
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echo "usage: $0 <ram in mb> <swap in mb> command"
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# get args
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ram="$1"
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swap="$2"
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group=arango_mem
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shift 2
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# do not continue if anything goes wrong
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set -e
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# prepare control groups
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sudo -- cgcreate -g "memory:/$group"
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#ram
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fpath="/sys/fs/cgroup/memory/$group/memory.limit_in_bytes"
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sudo bash -c "echo $(( $ram * 1024 * 1024 )) > $fpath "
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# swap
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fpath="/sys/fs/cgroup/memory/$group/memory.memsw.limit_in_bytes"
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if [[ -e $fpath ]]; then
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sudo bash -c " echo $(( $swap * 1024 * 1024 )) > $fpath"
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fi
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#execute
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sudo cgexec -g memory:arango_mem su -l -p -c "$@" $USER
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