Yep, the problem is really in how the RRD is set up. I have some custom scripts that simply "wc -l" some files and these go into an RRD as a gauge...I thought this function might let me get out from under all the custom moving parts, but no luck in this release.
But I also use "DERIVED" counts to see what my incoming syslog and trap rates are -- so the linecount function could replace these custom scripts, except that the way I have it now these items get their own status dot and a nicely labeled graph. The new linecount graphs are buried in the "trends" stack so you have to know to go look for them there.
Lest I sound too much like a whiner -- I really like where Henrik is taking us all with each new Hobbit release!
GLH
-----Original Message----- From: Richard.Hall [mailto:Richard.Hall at ingenta.com] Sent: Friday, August 25, 2006 12:22 PM To: hobbit at hswn.dk Subject: Re: [hobbit] More about linecount
Replying to myself ...
On Fri, 25 Aug 2006, Richard.Hall wrote:
Greg,
On Fri, 25 Aug 2006, Hubbard, Greg L wrote:
Well, now I know how linecount works. I was hoping that it would let me track the number of lines in a file and spot changes over time. But this is not what line count is for -- it is intended to match some arbitrary subset of lines in a file, and then this is tracked via RRD as a "derived" value, meaning what is graphed is how
the count changes over time, scaled into units per second. This is perfect if you want to watch the rate of login failures on your system, but not very useful for what I wanted.
So I will monitor changes in file size (which might show me changes), but cannot readily translate this into a line count.
So, an enhancement request -- add a "line count" as a file parameter, in addition to all the normal things that are available now?
If I'm remembering correctly what Henrik said about how linecount works (sorry, didn't keep the message), can't you do something like
totallines:.*
to make the pattern match every line of the file?
Doh! Obviously not - you want the total, not the rate of change. Apologies for the noise.
Richard
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