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Using LAST for GPRINT results in NaN?

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Jay Christopherson

Using LAST for GPRINT results in NaN?

Anyone know why using the LAST aggregator in a GPRINT statement in JRobin periodically results in NaN? I know that typically NaN means that there was no sample for the specified timeperiod, but if I use JRobin's RRD File Inspector, I can see that there is no interruption in data samples. It's really annoying.

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Benjamin Reed

Re: Using LAST for GPRINT results in NaN?

Jay Christopherson wrote:
> Anyone know why using the LAST aggregator in a GPRINT statement in
> JRobin periodically results in NaN? I know that typically NaN means
> that there was no sample for the specified timeperiod, but if I use
> JRobin's RRD File Inspector, I can see that there is no interruption in
> data samples. It's really annoying.

What OpenNMS version?

There's a JRobin fix that is pending release in 1.5.94 that should fix
most of those issues.

--
Benjamin Reed
The OpenNMS Group
http://www.opennms.org/

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Paul Mona

Re: Using LAST for GPRINT results in NaN?

In reply to this post by Jay Christopherson

Don't know the cause, but there is an open bug on the issue:

http://bugzilla.opennms.org/show_bug.cgi?id=1968

From: [hidden email] [mailto:[hidden email]] On Behalf Of Jay Christopherson
Sent: Wednesday, September 10, 2008 2:53 PM
To: General OpenNMS Discussion
Subject: [opennms-discuss] Using LAST for GPRINT results in NaN?

Anyone know why using the LAST aggregator in a GPRINT statement in JRobin periodically results in NaN? I know that typically NaN means that there was no sample for the specified timeperiod, but if I use JRobin's RRD File Inspector, I can see that there is no interruption in data samples. It's really annoying.

Jay Christopherson

Re: Using LAST for GPRINT results in NaN?

In reply to this post by Benjamin Reed

Using 1.5.94-0.10085.snapshot (sorry, forgot to always include that)...

On Wed, Sep 10, 2008 at 2:56 PM, Benjamin Reed <[hidden email]> wrote:

Jay Christopherson wrote:
> Anyone know why using the LAST aggregator in a GPRINT statement in
> JRobin periodically results in NaN? I know that typically NaN means
> that there was no sample for the specified timeperiod, but if I use
> JRobin's RRD File Inspector, I can see that there is no interruption in
> data samples. It's really annoying.

What OpenNMS version?

There's a JRobin fix that is pending release in 1.5.94 that should fix
most of those issues.

--
Benjamin Reed
The OpenNMS Group
http://www.opennms.org/

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Build the coolest Linux based applications with Moblin SDK & win great prizes
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