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Re: [pcp] pcp+graphite, take 2

To: pcp@xxxxxxxxxxx
Subject: Re: [pcp] pcp+graphite, take 2
From: Marko Myllynen <myllynen@xxxxxxxxxx>
Date: Wed, 18 Jun 2014 15:10:44 +0300
Delivered-to: pcp@xxxxxxxxxxx
In-reply-to: <20140616214301.GB6693@xxxxxxxxxx>
Organization: Red Hat
References: <20140616214301.GB6693@xxxxxxxxxx>
Reply-to: myllynen@xxxxxxxxxx
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0
Hi,

On 2014-06-17 00:43, Frank Ch. Eigler wrote:
> 
> Please see below for some more recent work on a web-gui for pcp.
> 
> https://web.elastic.org/~fche/blog3/archive/2014/06/16/pcp-and-graphite-backwards

as Ken said, very cool!

My initial findings based few quick tests were:

- blinkenlights demo worked all ok

- PCP+Graphite worked ok but there was a usability issue: if you want to
graph a period which is scattered in several archives then clicking
through all of them (especially if adding several metrics) quickly get
tedious. I'm not very familiar with Graphite so I don't know whether
there would be a way to avoid this there.

- PCP+Grafana looked nice (requires cookies to be enabled) but few times
I saw my Firefox 24 ESR to become completely unresponsive for a period
of time, both firefox and pmwebd were using 100% CPU at that time.
Later, I restarted Firefox and I opened the PCP+Grafana page from the
link and it took perhaps two minutes to display the graps, pmwebd CPU
usage being low but firefox nearing 100% again. Then changing the time
frame to last 24h caused pmwebd go to 100% followed soon by firefox, the
operation to repaint and CPU usage to normalize took two and half
minutes. The good news is that the graphs I eventually saw was exactly
what I was expecting to see.

Thanks,

-- 
Marko Myllynen

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