Is there any way where I can get the advanced version of the code as
compared to 4.3.6 which I am using?

On Wed, Feb 14, 2018 at 4:58 AM, Francis Dupont via RT <dhcp-public@isc.org>
wrote:

> On Tue Feb 13 19:39:22 2018, mkrishna@palcnetworks.com wrote:
> > I am able to see exact 999 file descriptors as pasted below.
> > I have got this output using '*lsof*'.
>
> => 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.
>
> Unfortunately it is a bit late here but as it is a recurrent issue
> someone in another timezone should be able to help you.
>
> BTW very recent versions of ISC DHCP can be compiled with
> a better replacement for select() which can show performance
> issue with a large number of descriptors.
>
>