[rrd-users] RHEL RPMS of rrdtool corrupts timestamps in both 1.3.9 and 1.4.7

Tobias Oetiker tobi at oetiker.ch
Sat Aug 18 11:38:26 CEST 2012

Hi Joe,

Yesterday Jo Rhett wrote:

> So I am curious. There is not much interest in the fact that the
> CentOS / RHEL rpms for rrdtool corrupt/destroy data when resize
> is used?  How many people have to slam into this issue on their
> own before someone will take action to get those RPMs updated?

there are no 'official' rrd rpms from me, so I have no say over how
and when the ones you are using are being updated ...

otoh, I would certainly like to make sure rrdtool does not have
bugs in the resize code ... I have tried to reproduce what you are
experiencing on my system (64bit Intel ubuntu 12.04).

* rrdtool compiled with mmap enabled
* rrd files even residing on an nfs mounted filesystem ...

to no avail ... it all works.

there were a bunch of rrd_resize bugs fixed for rrdtool 1.4.6
(r2192,r2169,r2166) though, so maybe for some odd reason, you are
actually running PRE 1.4.6 code and not 1.4.7

it would help a lot if you could try and reproduce the problem you
are seeing with a freshly compiled rrdtool (from original source).

there is even a rpm spec file included in the distro, so that you
should be able to build an rpm if you so desire ...


> > On Jul 16, 2012, at 10:28 PM, Ryan Kubica wrote:
> >> I've never run into this issue before (and store a lot of data) and on 64bit hosts, but:
> >>
> >> 	a) I always compile rrdtool not use stock OS rpm
> >
> > This isn't a common situation -- most people use RPMs, and that means that this is broken for most people.  Also we are using a package that bundles a binary image of rrdtool, another situation where many people won't or can't change it out.
> >

Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900

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