我有关于 FreeBSD 10.1-RELEASE 上每个进程的 openfiles 限制的问题。为了证明这一点,我制作了 python 脚本来生成虚拟文件并打开这些文件。可用的脚本
- 生成器:https ://gist.github.com/juniorh/ef9273911dee551f1048
- 加载器:https ://gist.github.com/juniorh/3b2fb0a80cddb8e407b3
生成1M文件,执行命令
# mkdir -p /tmp/1
# python dummyFileGenerator.py -d /tmp/1 -n 1000000 -r 1
然后,加载所有文件
# python dummyFileLoader.py -d /tmp/1 -n 1000000 -r 1
加载 32766 个文件后显示打开文件错误
retry openfile 32766
Traceback (most recent call last):
File "dummyFileLoader.py", line 74, in <module>
File "dummyFileLoader.py", line 59, in openfile
IOError: [Errno 24] Too many open files: '/tmp/1/00/00/7f/fd'
我尝试更改maxfile但未解决
# sysctl -a|grep maxfiles
kern.maxfiles: 1000000
kern.maxfilesperproc: 1000000
# ulimit -a
cpu time (seconds, -t) unlimited
file size (512-blocks, -f) unlimited
data seg size (kbytes, -d) 33554432
stack size (kbytes, -s) 524288
core file size (512-blocks, -c) unlimited
max memory size (kbytes, -m) unlimited
locked memory (kbytes, -l) unlimited
max user processes (-u) 6670
open files (-n) 58284
virtual mem size (kbytes, -v) unlimited
swap limit (kbytes, -w) unlimited
sbsize (bytes, -b) unlimited
pseudo-terminals (-p) unlimited
有什么想法吗?