High loading of bind

Joe Shen joe_hznm at yahoo.com.sg
Sun Feb 12 15:15:38 UTC 2006


The performance & capacity of BIND9 is lower than
BIND8,  because multi-thread programming cause a lot
of OS overhead than no-thread.

So, he should resort to configuration optimization.
For example, remove bogus configuration , log
configuration etc.

Joe



--- Kevin Darcy <kcd at daimlerchrysler.com> wrote:

> 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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