limit files set to fdlimit
Mark_Andrews at isc.org
Mark_Andrews at isc.org
Fri Nov 21 00:00:50 UTC 2003
> We have bind 8.2.7-REL on a solaris 8. November 18 and 19, our DNS =
> stopped
> answering and I found the following message in the named log:
> limit files set to fdlimit (1024)
The is the OS limit imposed on select().
> I did a pfiles and saw a lot of this kind of records (something like =
> 1000
> records):
>
> 148: S_IFSOCK mode:0666 dev:229,0 ino:60560 uid:0 gid:0 size:0
> O_RDWR|O_NONBLOCK FD_CLOEXEC
> sockname: AF_INET =85
>
> I know that means too much descriptors opened but why named opens so =
> much
> Sockets?
Named opens 2 sockets per (virtual) interface it is listening
on. It opens a additional socket for asking udp queries.
The rest of the sockets will be the result of clients opening
TCP connections to your server.
> Why did this happened?
> How can I resolve it?
Well 8.2.7 is old. BIND 8.2.x stopped having general fixes
applied to it long ago.
> P.S.:I couldn=92t start the debug because I have too much traffic on =
> this
> server.
>
> Thanks!
>
> Eric
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark.Andrews at isc.org
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