Hi List,
Here is part of /etc/init.d/ceph script:
case "$command" in
start)
# Increase max_open_files, if the configuration calls for it.
get_conf max_open_files "8192" "max open files"
if [ $max_open_files != "0" ]; then
# Note: Don't try to do math with these numbers, because POSIX shells
# can't do 64-bit math (natively). Just treat them as strings.
cur=`ulimit -n`
if [ "x$max_open_files" != "x$cur" ]; then
Line253: ulimit -n $max_open_files
fi
fi
When using with -a option, for **remote** osd , this script also run ulimit on **local**, and results in ulimit -n didn't change in remote nodes. I think the Line 253 shoud use do_cmd instead of run directly,also line 251.
Here is the output of local osd daemon's limits:
root@ceph-4:~# cat /proc/13131/limits | grep file
Max file size unlimited unlimited bytes
Max core file size unlimited unlimited bytes
Max open files 131072 131072 files
Max file locks unlimited unlimited locks
Here is a remote one:
root@snb-15:~# cat /proc/23709/limits | grep file
Max file size unlimited unlimited bytes
Max core file size unlimited unlimited bytes
Max open files 1024 4096 files
Max file locks unlimited unlimited locks
Xiaoxi
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