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From Supun Kamburugamuva <>
Subject Re: Monitor: Adding graphs for each table and server
Date Fri, 05 Apr 2013 17:29:53 GMT
Thank you all for the input.

I think I understand the requirement for the displaying the graphs.

For the openTSBD part I'll go through its documentation and Eric's work to
see what I can find.

If we are going for third party tools for monitoring, may be it is better
to provide APIs (like JMX) so that users can plug in any tool.


On Fri, Apr 5, 2013 at 12:46 PM, Eric Newton <> wrote:

> > ACCUMULO-594 <> talks
> > about OpenTSBD. Can you please give me some references on why we need
> > OpenTSBD?
> >
> The monitor provides a quick summary of accumulo stats, a bit of history
> and the most recent ERROR/WARN log messages.
> But it's all just kept in memory and only for an hour or so.  It isn't a
> real monitoring tool at all.
> It is nice to have *something* we can depend upon as soon as you get
> accumulo running.
> I do a lot of accumulo support, and having the monitor lets relatively
> unsophisticated users see problems right away.
> But we don't have a lot of time to keep putting more energy into making the
> monitor a better monitoring tool.
> It would be better to integrate with other monitoring tools.
> OpenTSDB stores and presents time-series data.  It can monitor anything and
> use a NoSQL back-end database to persist the monitored data.
> It can handle monitoring thousands of nodes, each with hundreds of
> datapoints.
> Perhaps there are better tools out there.
> We would still need some tool for the management of log/event data, too.
> -Eric

Supun Kamburugamuva
Member, Apache Software Foundation;
E-mail:;  Mobile: +1 812 369 6762

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