I got a substantial performance improvement out of a) using a ramdisk
and then b) recompiling the rrdtool libraries to disable the use of mmap
(they have a configure flag for this), and then recompiling gmetad with
those modified libraries. This keeps gmetad from bothering to read and
mmap() th
On 8/25/14 6:53 AM, Cristovao Jose Domingues Cordeiro wrote:
Hi all,
I have a Ganglia setup running with a 4Gb ramdisk.
I'm monitoring several opportunistic clusters with short-lifetimed
VM's which are renewed a lot, causing a huge number of down hosts in
Ganglia.
>From a web interface poi
On 8/6/14, 10:14 AM, Mark Selby wrote:
My company has just stated using Ganglia for production metrics
gathering and as I like to really understand "what is happening" in my
environment I have a few questions that I can not seem to truly figure
out on my own. All and any help is greatly appreci
I'm in favor of teaching gmetad how to send the metrics it collects to a
wider variety of things, particularly if there's a plugin interface for
writing them.
- Adam
On 3/27/14 1:07 PM, Daniel Pocock wrote:
>
> I made up a rough diagram about how Ganglia 4.x could look:
>
> https://raw.githubu
On 3/27/14 1:20 PM, Daniel Pocock wrote:
>
> On 27/03/14 21:16, Adam Compton wrote:
>> I'm in favor of teaching gmetad how to send the metrics it collects to a
>> wider variety of things, particularly if there's a plugin interface for
>> writing them.
>>
On 1/28/14 11:18 AM, Sergio Ballestrero wrote:
> On 28 Jan 2014, at 20:10, Adam Compton wrote:
>
>> The gmond "globals" configuration option "host_tmax" controls how long a
>> host can go without a heartbeat before being seen as "down"; it's
On 1/28/14 6:21 AM, Sergio Ballestrero wrote:
> Hello Adrian,
>
> On 25 Jan 2014, at 21:34, Adrian Sevcenco wrote:
>> On 01/25/2014 09:37 PM, Sergio Ballestrero wrote:
>>> Hello Adrian, if the host for which you send gmetrics is not a gmond
>>> "client", you need to also spoof a "heartbeat" metric
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