caigy commented on code in PR #199:
URL: https://github.com/apache/rocketmq-operator/pull/199#discussion_r1434682128
##########
images/namesrv/alpine/runserver-customize.sh:
##########
@@ -55,12 +55,27 @@ calculate_heap_sizes()
case "`uname`" in
Linux)
system_memory_in_mb=`free -m| sed -n '2p' | awk '{print $2}'`
- system_memory_in_mb_in_docker=$(($(cat
/sys/fs/cgroup/memory/memory.limit_in_bytes)/1024/1024))
+ if [ -f /sys/fs/cgroup/memory/memory.limit_in_bytes ]; then
+ system_memory_in_mb_in_docker=$(($(cat
/sys/fs/cgroup/memory/memory.limit_in_bytes)/1024/1024))
+ elif [ -f /sys/fs/cgroup/memory.max ]; then
+ system_memory_in_mb_in_docker=$(($(cat
/sys/fs/cgroup/memory.max)/1024/1024))
+ else
+ error_exit "Can not get memory, please check cgroup"
+ fi
if [ $system_memory_in_mb_in_docker -lt $system_memory_in_mb ];then
system_memory_in_mb=$system_memory_in_mb_in_docker
fi
+
system_cpu_cores=`egrep -c 'processor([[:space:]]+):.*'
/proc/cpuinfo`
- system_cpu_cores_in_docker=$(($(cat
/sys/fs/cgroup/cpu/cpu.cfs_quota_us)/$(cat
/sys/fs/cgroup/cpu/cpu.cfs_period_us)))
+ if [ -f /sys/fs/cgroup/cpu/cpu.cfs_quota_us ]; then
+ system_cpu_cores_in_docker=$(($(cat
/sys/fs/cgroup/cpu/cpu.cfs_quota_us)/$(cat
/sys/fs/cgroup/cpu/cpu.cfs_period_us)))
+ elif [ -f /sys/fs/cgroup/cpu.max ]; then
+ QUOTA=$(cut -d ' ' -f 1 /sys/fs/cgroup/cpu.max)
+ PERIOD=$(cut -d ' ' -f 2 /sys/fs/cgroup/cpu.max)
+ system_cpu_cores_in_docker=$(($QUOTA/$PERIOD))
Review Comment:
It seems that 'QUOTA' may be 'max' instead of number? Pls refer
[this](https://github.com/opencontainers/runc/issues/2243).
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