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On Wed Feb 14 03:24:22 2018, mkrishna@palcnetworks.com wrote:
> Is there any way where I can get the advanced version of the code as
> compared to 4.3.6 which I am using?

=> 4.4.0 is on hold for annoying bugs. 4.4.1 should be issued
in a few days.

> > => you have reached the silly (but not real) limit of 1000 open
> > file descriptors of Linux. As it often hurts with named there are
> > a lot of documentation about to break this limit.

=> there are 2 limits:
 - FD_SETSIZE macro: you should look at what is the value
  in the header file. Of course you can increase it by recompiling.

 - soft limit: enter in shell "ulimit -n 5000"
  (try this first at it does not require to recompile something).