[rt-users] Slowness with RRDtool graphing

[Jesse Vincent]

Did you perhaps mean to send this to the RRDtool mailinglist?

On Thu, Jan 20, 2011 at 02:20:46PM -0500, elsif wrote:
> Hardware:
> 	CPU: Intel(R) Pentium(R) 4 CPU 2.80GHz (2806.37-MHz 686-class CPU)
> 	real memory  = 2146631680 (2047 MB)
> 
> Load:
> 	CPU:  2.2% user,  0.0% nice,  1.1% system,  0.0% interrupt, 96.6% idle
> 	Mem: 162M Active, 1461M Inact, 178M Wired, 96M Cache, 112M Buf, 99M Free
> 	Swap: 4061M Total, 84K Used, 4061M Free
> 	Disks   ad0   ad1                                  183024 wire
> 	KB/t    128  0.00                                  186724 act
> 	tps       0     0                                 1496468 inact
> 	MB/s   0.02  0.00                                   98392 cache
> 	%busy     0     0                                   80408 free
>                                                    114880 buf
> 
> Versions:
>         6.4-RELEASE FreeBSD
> 	Server version: Apache/2.2.9 (FreeBSD)
> 	PHP 5.2.6 with Suhosin-Patch 0.9.6.2 (cli) (built: Apr 16 2009 17:45:37)
> 	Cacti Version 0.8.7g
> 	RRDTool versions tried:
> 		Currently RRDtool 1.4.5
> 		Also tried RRDtool 1.0.49
> 		Also tried RRDtool 1.3.1
> 
> Summary: Loading of a given page of graphs in Cacti taking minutes to load
>   PID USERNAME      THR PRI NICE   SIZE    RES STATE  C   TIME
> WCPU COMMAND
> 53185 www             1 101    0  9292K  6096K RUN    0   0:03
> 15.79% rrdtool
> 53186 www             1 101    0  9288K  6092K RUN    0   0:03
> 15.54% rrdtool
> 53192 www             1 101    0  9284K  6088K RUN    0   0:03
> 15.51% rrdtool
> 53197 www             1 101    0  9292K  6096K RUN    0   0:03
> 15.51% rrdtool
> 53198 www             1 101    0  9284K  6088K RUN    0   0:03
> 15.42% rrdtool
> 53194 www             1 101    0  9288K  6092K RUN    0   0:03
> 15.08% rrdtool
> 
> Extended description:
> 	I've installed Cacti on 30+ machines for 20+ organizations over the
> last 5 years and have never before experienced this.  I find tons of
> reports of this via Google and the 'search' function at cacti.net,
> but have yet to find the silver bullet that fixes the issue.
> 
> 	What would be causing this?  How can I fix it?  The rest of the
> Cacti interface loads instantly, so I have no reason to believe that
> it's a PHP limitation/setting, nor a resource issue with Apache in
> any way.
> 
> 	Advice?
> 
> -Jake

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