High loading of bind

Kevin Darcy kcd at daimlerchrysler.com
Sat Feb 11 03:57:52 UTC 2006


Rewrite it from scratch (???)

I think maybe someone already did that. It's called BIND 9...

                                                                         
         - Kevin

Alex Tang wrote:

>Hi Everybody
>
>do u know how can i run multi-thread in bind 8.37 ?
>
>thx very much
>
>-----Original Message-----
>From: bind-users-bounce at isc.org [mailto:bind-users-bounce at isc.org]On Behalf Of Alex Tang
>Sent: Thursday, February 09, 2006 12:20 PM
>To: comp-protocols-dns-bind at isc.org
>Subject: RE: High loading of bind
>
>
>Hi All
>
>I find out that the dns no response when the PRI value become 0 in the top result
>
>   PID USERNAME THR PR NCE  SIZE   RES STATE   TIME FLTS    CPU COMMAND
>  1873 named      1  0   0  298M  297M cpu01  49.5H    0 43.82% named
>
>Priority =PRI
>This column displays the current priority number for each process. This number is calculated by the kernel and is used to determine the order in which processes are schedule. The kernel takes many factors in to consideration when calculating this number, and it is not unusual to see large fluctuations in this number over the lifetime of a process. 
>
>any body know 0 is highest priority and why it become 0 priority ? at the normal time or after restarted the named process the real time priority about 21.
>
>Please Help !!!!
>
>Thanks very much
>
>
>-----Original Message-----
>From: bind-users-bounce at isc.org [mailto:bind-users-bounce at isc.org]On
>Behalf Of Alex Tang
>Sent: Friday, January 13, 2006 11:22 AM
>To: barmar at alum.mit.edu; comp-protocols-dns-bind at isc.org;
>bind8-bugs at isc.org
>Subject: High loading of bind
>Importance: High
>
>
>Hi all
>
>my cache dns server working in high cpu utilization. How can I change some config to increase the dns capacity ? The dns server cannot reponse any query or very slow when about 49% usage
>
>bind version: 8.37
>SunOS  5.8 Generic_108528-26 sun4u sparc SUNW,Sun-Fire-V210
>a lot of disk space
>
>load averages:  0.88,  0.86,  0.85                                                dns3                                                10:53:40
>45 processes:  42 sleeping, 1 stopped, 2 on cpu
>CPU states: 63.3% idle, 34.6% user,  2.1% kernel,  0.0% iowait,  0.0% swap
>Memory: 2.0G real, 1.1G free, 399M swap in use, 5.1G swap free
>
>   PID USERNAME THR PR NCE  SIZE   RES STATE   TIME FLTS    CPU COMMAND
>  1873 named      1  0   0  298M  297M cpu01  49.5H    0 43.82% named
>
>Network speed is 100M, full duplex
>
>350 query per second
>
>13-Jan-2006 10:17:48.085 statistics: info: XSTATS 1137118668 1136885061 RR=23300950 RNXD=2189861 RFwdR=6038937 RDupR=32995 RFail=247234 RFErr=175250 RErr=356434 RAXFR=0 RLame=3245748 ROpts=0 SSysQ=954185 SAns=75580275 SFwdQ=17877768 SDupQ=19685968 SErr=0 RQ=84445818 RIQ=0 RFwdQ=17877768 RDupQ=3743304 RTCP=6469 SFwdR=6038937 SFail=1417262 SFErr=0 SNaAns=64331838 SNXD=15246746 RUQ=0 RURQ=0 RUXFR=0 RUUpd=0
>13-Jan-2006 10:22:48.085 statistics: info: USAGE 1137118968 1136885061 CPU=0u/0s CHILDCPU=0u/0s
>13-Jan-2006 10:22:48.085 statistics: info: NSTATS 1137118968 1136885061 TYPE0=495011 A=60820868 NS=6568 MD=7704 CNAME=1661 SOA=89399 PTR=3971917 MX=17716519 TXT=34298 AAAA=1292656 SRV=93499 NAPTR=36 A6=11332 ANY=21505
>13-Jan-2006 10:22:48.085 statistics: info: XSTATS 1137118968 1136885061 RR=23328533 RNXD=2192283 RFwdR=6045480 RDupR=33039 RFail=248187 RFErr=175486 RErr=356791 RAXFR=0 RLame=3249375 ROpts=0 SSysQ=955219 SAns=75689054 SFwdQ=17898137 SDupQ=19700988 SErr=0 RQ=84563191 RIQ=0 RFwdQ=17898137 RDupQ=3747037 RTCP=6476 SFwdR=6045480 SFail=1422045 SFErr=0 SNaAns=64427400 SNXD=15268712 RUQ=0 RURQ=0 RUXFR=0 RUUpd=0
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