user soft nofile 1024
user hard nofile unlimited
user hard nofile unlimited
# su - user could not open session
决议
This is a limit of setrlimit(). The limit is 1048576. So, set limit less 1048577.
根源
That"s because the kernel have the following definition in ./linux/fs.h.
#define NR_OPEN (1024*1024) /* Absolute upper limit on fd num */
本文转自 freeterman 51CTO博客，原文链接：http://blog.51cto.com/myunix/1653839，如需转载请自行联系原作者
