02-15-2011
hmmm... I don't see why Nagios can't do it.... again, our preference for Cacti has to do with they way it works and handles its interface and the maturity of the community it has.
Real time reporting usually means you're looking for something with a heavy handed poller.... which is NOT recommended. You can get very good "real time" information from controlled interval polling and that's what most these kinds of tools do.
The basically generate interval plots... not "live" data per se.
Since computer people like car analogies.... consider "miles per gallon" for a car. If I want instantaneous real time data for that... how is it possible? Well.. we could measure now and a microsecond from now... but with a small window, one sampling might show 400 mpg and the next sample might show me 1 mpg. The tools that use rrd-tool (and rrd-tool itself), understand the difficulties with such data which is why they work the way they do.
In other words it's not the right tool if you're looking for what is happening THAT VERY INSTANT.... IMHO of course.
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LEARN ABOUT LINUX
toolbar
toolbar(3erl) Erlang Module Definition toolbar(3erl)
NAME
toolbar - GUI for Starting Tools and User Contributions
DESCRIPTION
Toolbar makes it easier to use the different Erlang tools - and the user contributions - which are provided. It has a graphical user inter-
face with an icon for each tool. Clicking the icon activates the corresponding tool.
All tools to be included on Toolbar must have a configuration file containing information about the tool, for example its start function
and help information location. Configuration files must have the .tool suffix.
When started, Toolbar automatically checks for *.tool files in the current path and adds the corresponding tools. For each ebin directory
found in the path, it will also look in a priv directory next to it. This is a feature of the Erlang file structure.
EXPORTS
start() -> ok | already_started
Creates a window containing tool icons.
version() -> string()
Returns the current version number of Toolbar.
update() -> ok | {error,not_started}
Makes a search for new tool files in the current path and adds the corresponding tools to Toolbar window.
quit() -> ok | {error,not_started}
create_tool_file() -> ok | {error,not_started}
Starts the GUI used for creating and editing tool files.
add_gs_contribs() -> ok | {error,not_started}
Adds the path to the directory where the GS contributions are situated and add the tools found there, if any.
Ericsson AB toolbar 1.4.1 toolbar(3erl)