maximum number of FD events received in bind-9.4.3b2

[Mark Andrews]

> Hi all,
> 
> after upgrading to bind-9.4.3b2 I see the following in the logfile
> 
> 16-Jul-2008 08:55:11.547 general: sockmgr 25af70: maximum number of FD 
> events (64) received
> 16-Jul-2008 08:57:11.796 general: sockmgr 25af70: maximum number of FD 
> events (64) received
> 16-Jul-2008 08:57:11.797 general: sockmgr 25af70: maximum number of FD 
> events (64) received
> 16-Jul-2008 09:37:17.581 general: sockmgr 25af70: maximum number of FD 
> events (64) received
> 16-Jul-2008 09:37:17.677 general: sockmgr 25af70: maximum number of FD 
> events (64) received
> 
> % uname -a
> SunOS mantis 5.9 Generic_122300-02 sun4u sparc SUNW,Sun-Fire-V210
> 
> In lib/isc/unix/socket.c I see a comment in #ifdef USE_KQUEUE
> * This is not an error, but something unexpected.  If this
> * happens, it may indicate the need for increasing
> * ISC_SOCKET_MAXEVENTS.
> 
> but there is no such comment in #elif defined(USE_DEVPOLL)
> 
> Since this is a Solaris 9 system, I assume bind uses /dev/poll ..
> Is it something I should worry about?

	It just makes named slightly less efficient.

> Do I need to increase ISC_SOCKET_MAXEVENTS?

	You could.

> Do queries get dropped?

	Not as a result of this.
 
> TIA,
> Sotiris.
> 
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org