Am 30. Mär, 2010 schwätzte Alex Dean so:
moin moin Alex,
On Mar 30, 2010, at 4:26 PM, der.hans wrote:
Am 30. Mär, 2010 schwätzte Alex Dean so:
moin moin Alex,
what you wrote below is the best ganglia guide I've found. By far the best
I've found! Danke!
No problem. Glad it helps. Maybe I'll turn it into a blog post at some
point. I'll have to find the references I used in learning this stuff, but I
remember it being pretty opaque.
Yeah, fairly :(.
Both give exit status of 0.
It's not showing up in /var/ganglia/rrds.
Who should own those rrds files? We have them owned by root, but gmond
runs as an unprivileged user?
They need to be writable by the user running gmetad (nobody?), and
readable by the Apache user.
Does ganglia automagically create the rrd files? User running gmetad needs
write perms for the rrd dir?
Yes. Any time gmetad sees a new metric, it will create a new RRD file and
that data will be automatically graphed in the PHP web app. I haven't worked
with string metrics much, but I think those might be an exception, and be
in-memory only. You might try generating some numeric metrics as well, since
those should flow all the way to the filesystem on the gmetad box.
I'm trying to add numeric stuff ( mysql stats and some log counts ), but
went with lsb_release as a pared down item for testing.
Using ls in the rrds directory is another debugging route you could try (once
you get permissions sorted out). There's a delay between when gmetad sees a
new metric and when it actually creates the rrd file, but I don't think it's
very long.
OK.
I'm getting MySQL entries, but no graphs and they link to pages that only
show the URL of the page with no data or information.
ciao,
der.hans
--
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# Director of Engineering, FonWallet Transaction Solutions, Inc.
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