maximum number of FD events received in bind-9.4.3b2
Mark Andrews
Mark_Andrews at isc.org
Wed Jul 16 07:21:21 UTC 2008
> 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
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