[hobbit] rrd2mysql gateway

[Galen Johnson]

Why do it through Xymon at all?  You know where the rrds are.  Why not use the perl rrd modules that come with rrd and access the rrds directly?

=G=

-----Original Message-----
From: Stef Coene [mailto:stef.coene at docum.org] 
Sent: Monday, November 24, 2008 8:21 AM
To: hobbit at hswn.dk
Subject: [hobbit] rrd2mysql gateway

Hi,

I really need to get the rrd counters in a mysql database.  I was able to hack 
hobbitd/do_rrd.c: on each update a perl script is executed with the 
parameters updparams[1], hostname, updparams[3] and updparams[4].  This is 
not working because for every update, the perl script is executed and this 
fills up the memory of my server.

I also tried to replace the perl script with a shell script that puts all the 
data in a named pipe.  But this blocks the hobbit rrd module.

So, can anyone help with more C knowledge then I have?
I was thinking about a non-blocking named pipe in hobbitd/do_rrd.c.  Or maybe 
an extra communication channel like hobbit uses internal.
The best solution would be adding mysql support to hobbit. but I also need to 
do some conversion of the data and I prefer to do this in perl.

Thanx in advance,


Stef

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