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Too many open files in system

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linux Too many open files in system
查看最大可以打开的文件数量
[root@CCN-BJ-3-578 fs]# cat /proc/sys/fs/file-max
65536
查看各个进程打开的文件数据量
[root@CCN-BJ-3-578 home]# lsof -n |awk '{print $2 " " $3}'|sort|uniq -c |sort -nr|more

查看和修改最大值
ulimit -a
ulimit -n 2048
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