[rrd-users] Re: Segfaulting

Simon Hobson linux at thehobsons.co.uk
Wed Nov 8 07:54:15 MET 2006

Erik wrote:
>I've got some 8000+ rrdfiles in a dir and i am trying to create a 
>graph containing the sum from a selecton of about 1700 rrdfiles.
>The first problem i ran into is the ARG_MAX limit, by renaming 
>variables i've gotten around that.
>The problem now is that RRDtool segfaults, is there any other way to 
>create an aggregate graph for my files?
>*** glibc detected *** free(): invalid pointer: 0x080ef008 ***

With 1700 files my guess would be a memory limitation. I have a graph 
that does 510 values (in and out by IP for a class C subnet) and it 
can take well over 1G of ram to process everything.

Does your script crash immediately, or after a while ? What happens 
to it's memory useage ?

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