Dale:
The limits.conf file is not going to solve your problem. Read
the man page for initscript and inittab.
On Thu, Apr 29, 2010 at 5:53 PM, Dale Kiefling <dale.kiefl...@cbs.com>wrote:
> We have a Bind 9.7.0-P1 instance that is throwing the following errors:
> 21-Apr-2010 16:59:00.173 general: error: socket: file descriptor exceeds
> limit
> (1024/1024)
> 21-Apr-2010 17:00:00.122 general: error: socket: file descriptor exceeds
> limit
> (1024/1024)
> 21-Apr-2010 17:00:00.123 general: error: socket: file descriptor exceeds
> limit
> (1024/1024)
>
> When we try to increase the socket value we are seeing assertion failures.
>
> Restarted named with the option -S 8192:
> Apr 26 19:20:54 ha1 named[3891]: socket.c:2781:
> INSIST(!sock->pending_recv) failed, back trace
> Apr 26 19:20:54 ha1 named[3891]: #0 0x806525b in ??
> Apr 26 19:20:54 ha1 named[3891]: #1 0x7b4b57 in ??
> Apr 26 19:20:54 ha1 named[3891]: #2 0x7dfc03 in ??
> Apr 26 19:20:54 ha1 named[3891]: #3 0x7e16f9 in ??
> Apr 26 19:20:54 ha1 named[3891]: #4 0x7e1979 in ??
> Apr 26 19:20:54 ha1 named[3891]: #5 0x7e1be7 in ??
> Apr 26 19:20:54 ha1 named[3891]: #6 0x61a49b in ??
> Apr 26 19:20:54 ha1 named[3891]: #7 0x6fd42e in ??
> Apr 26 19:20:54 ha1 named[3891]: exiting (due to assertion
> failure)
>
> Any advice given the info provided below? Let me know if I can provide
> more info.
>
> Dale
>
>
> $ dig +short version.bind chaos txt
> "9.7.0-P1"
>
> $ uname -a
> Linux ha1.example.com 2.6.18-128.1.10.el5PAE #1 SMP Thu May 7 11:14:31 EDT
> 2009 i686 athlon i386 GNU/Linux
>
> $ cat /etc/redhat-release
> CentOS release 5.3 (Final)
>
>
> $ cat /etc/security/limits.conf
> * hard nofile 8192
> * soft nofile 8192
> ntp - memlock 32768
>
>
> cat named.conf
> ...
> options {
> directory "/var/opt/named";
> pid-file "/etc/named.pid";
> notify yes;
> also-notify {
> };
> recursion yes;
> allow-query { any; };
> //edns-udp-size 512;
> };
> ...
>
>
> unlimit -a reports:
> open files (-n) 8192
>
>
> recent rndc stats:
> +++ Statistics Dump +++ (1271794427)
> ++ Incoming Requests ++
> 108267159 QUERY
> 313 NOTIFY
> ++ Incoming Queries ++
> 91731351 A
> 314215 NS
> 10840 SOA
> 2704323 PTR
> 4367570 MX
> 81 TXT
> 325 X25
> 9135705 AAAA
> 1072 SRV
> 6 IXFR
> 1453 AXFR
> 218 ANY
> ++ Outgoing Queries ++
> [View: default]
> 3077427 A
> 5991 NS
> 2113 SOA
> 44931 PTR
> 7552045 MX
> 53 TXT
> 41 X25
> 3218008 AAAA
> 426 SRV
> 18 ANY
> [View: _bind]
> [View: _meta]
> ++ Name Server Statistics ++
> 108267472 IPv4 requests received
> 3342 requests with EDNS(0) received
> 5600 TCP requests received
> 108051102 responses sent
> 4972 truncated responses sent
> 3342 responses with EDNS(0) sent
> 98180939 queries resulted in successful answer
> 101089523 queries resulted in authoritative answer
> 5075782 queries resulted in non authoritative answer
> 7 queries resulted in referral answer
> 3987640 queries resulted in nxrrset
> 1885481 queries resulted in SERVFAIL
> 3996719 queries resulted in NXDOMAIN
> 5660199 queries caused recursion
> 207266 duplicate queries received
> 7610 queries dropped
> 1456 requested transfers completed
> ++ Zone Maintenance Statistics ++
> 9833 IPv4 notifies sent
> 301 IPv4 notifies received
> 268 notifies rejected
> 315214 IPv4 SOA queries sent
> 6 IPv4 AXFR requested
> 23 IPv4 IXFR requested
> 29 transfer requests succeeded
> ++ Resolver Statistics ++
> [Common]
> 570 mismatch responses received
> 151245 failures in opening query sockets
> [View: default]
> 13714283 IPv4 queries sent
> 186770 IPv6 queries sent
> 10815900 IPv4 responses received
> 31 IPv6 responses received
> 123548 NXDOMAIN received
> 955379 SERVFAIL received
> 33013 FORMERR received
> 806336 other errors received
> 382773 EDNS(0) query failures
> 442 truncated responses received
> 751147 lame delegations received
> 4759160 query retries
> 3103740 query timeouts
> 546721 IPv4 NS address fetches
> 1168510 IPv6 NS address fetches
> 80562 IPv4 NS address fetch failed
> 1158909 IPv6 NS address fetch failed
> 1527841 queries with RTT < 10ms
> 4509306 queries with RTT 10-100ms
> 3619163 queries with RTT 100-500ms
> 518078 queries with RTT 500-800ms
> 493598 queries with RTT 800-1600ms
> 147945 queries with RTT > 1600ms
> [View: _bind]
> [View: _meta]
> ++ Cache DB RRsets ++
> [View: default]
> 222004 A
> 211063 NS
> 3086 CNAME
> 3 SOA
> 1034 PTR
> 85462 MX
> 2 TXT
> 1356 AAAA
> 3 SRV
> 1 DNAME
> 98 DS
> 4891 RRSIG
> 3937 NSEC
> 83 !A
> 39 !NS
> 2 !SOA
> 2158 !MX
> 1 !X25
> 8783 !AAAA
> 1059 NXDOMAIN
> [View: _bind (Cache: _bind)]
> [View: _meta (Cache: _meta)]
> ++ Socket I/O Statistics ++
> 14046102 UDP/IPv4 sockets opened
> 187393 UDP/IPv6 sockets opened
> 476 TCP/IPv4 sockets opened
> 116026 UDP/IPv4 socket open failures
> 105 UDP/IPv6 socket open failures
> 14046054 UDP/IPv4 sockets closed
> 187393 UDP/IPv6 sockets closed
> 6083 TCP/IPv4 sockets closed
> 40871 UDP/IPv4 socket bind failures
> 611 UDP/IPv6 socket bind failures
> 186751 UDP/IPv6 socket connect failures
> 13713840 UDP/IPv4 connections established
> 31 UDP/IPv6 connections established
> 423 TCP/IPv4 connections established
> 5612 TCP/IPv4 connections accepted
> 186739 UDP/IPv6 send errors
> 83192 UDP/IPv4 recv errors
> 31 UDP/IPv6 recv errors
> ++ Per Zone Query Statistics ++
> --- Statistics Dump --- (1271794427)
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> bind-users@lists.isc.org
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>
--
Ezra Taylor
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