Right.
You do win when you have multiple clusters coming into a gmetad (we can
choose one cluster out of many), but when the clusters get really big,
you're right, we want a way to find the hostnames without getting their
metrics. We could add a different kind of filter, such as:
/Onyx?filter=directory
or something like that.
On Thursday, May 1, 2003, at 10:17 AM, steven wagner wrote:
The problem is that this requires the web front-end to already have a
host list for the cluster (which it's going to get from the cluster
slice view, which has metrics in it... back to square one).
I suppose it would be possible to implement an alternate XML parser
for just building the host/cluster/grid lists...
Federico Sacerdoti wrote:
It can do a host view of this type: (request: /Roscoe's Chicken and
Waffles/fryer01)
<CLUSTER NAME="Roscoe's Chicken and Waffles">
<HOST NAME="fryer01" REPORTED="sometime recently" IP="127.0.0.1">
<METRIC />
...
</HOST>
</CLUSTER>
So it can give a single host-only view, and I do hope it will helf
speed
things up on the web site.
Federico
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of
steven wagner
Sent: Wednesday, April 30, 2003 5:46 PM
To: Federico Sacerdoti
Cc: Ganglia
Subject: Re: [Ganglia-developers] Announce: subtree-capable gmetad
Oooooooh!
I haven't played with this yet (I'm examining the diff right now) ...
but I really hope a host-only cluster view is in there.
In other words:
<CLUSTER NAME="Roscoe's Chicken and Waffles">
<HOST NAME="fryer01" REPORTED="sometime recently" IP="127.0.0.1">
<HOST NAME="fryer02" REPORTED="sometime recently" IP="127.0.0.2">
<HOST NAME="fryer03" REPORTED="an hour ago" IP="127.0.0.3">
</CLUSTER>
The summary code looks like it summarizes all numeric metrics for the
cluster but doesn't display the individual hosts...
I can tell you something like the above would dramatically speed up
the
web front end's response time in my situation - don't know about
others. :)
I may be too busy to actually run this right now, but I'm not too busy
to be grateful. Thanks Fed! :)
Federico Sacerdoti wrote:
I have just committed some work I have been doing recently on gmetad.
The version currently in cvs supports interactive requests on port
8652. I plan to adapt the webfrontend to take advantage of this new
mode for much higher performance soon.
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Federico
Rocks Cluster Group, SDSC, San Diego, CA
