What is the difference of 'Maximum number of file descriptors' and 'Available file descriptors' in smps.log ?
[2649/4151318240][Mon May 01 2017 10:48:48][CServer.cpp:2492][INFO][sm-Server-01750] Maximum number of file descriptors available to this process is 4096
[2649/4151318240][Mon May 01 2017 10:48:48][CServer.cpp:4645][INFO][sm-Server-02010] Available file descriptors: 1024
We use getrlimit when we print message Maximum number of file descriptors available to this process
http://man7.org/linux/man-pages/man2/setrlimit.2.html
When we print Available file descriptors:
We use function sysconf with parameter _SC_OPEN_MAX
http://man7.org/linux/man-pages/man3/sysconf.3.html