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gaps in hobbit graphs

7 messages in this thread

list Mike Wood · Thu, 13 Nov 2008 08:32:23 -0600 ·
Hi All,

Any idea what would / could cause gaps in graphing like in the attached picture?
It happens periodically on various systems, but only on a few particular graphs (like CPU utilization).

Thanks for looking!

Mike Wood
UNIX System Administrator
Kinetic Concepts Inc.
XXXX NW Parkway
San Antonio, TX, 78249

E-mail:  user-ca9fdeef37c9@xymon.invalid
Office:  (XXX) XXX-XXXX
Mobile:  (XXX) XXX-XXXX


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Kinetic Concepts, Inc.

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list Robert Holden · Thu, 13 Nov 2008 13:39:53 -0700 ·
We have seen these in situations where the hobbit server is overloaded
(processing too many things at once).  We have also seen it where a program
we were launching from hobbitlaunch was crashing (core).

Have you looked through the hobbit log files?

Robert
quoted from Mike Wood

On Thu, Nov 13, 2008 at 7:32 AM, Wood, Mike <user-ca9fdeef37c9@xymon.invalid> wrote:
 Hi All,


Any idea what would / could cause gaps in graphing like in the attached
picture?

It happens periodically on various systems, but only on a few particular
graphs (like CPU utilization).


Thanks for looking!


Mike Wood

UNIX System Administrator

Kinetic Concepts Inc.

XXXX NW Parkway

San Antonio, TX, 78249


E-mail:  user-ca9fdeef37c9@xymon.invalid

Office:  (XXX) XXX-XXXX

Mobile:  (XXX) XXX-XXXX


*****************************************************************************
"CONFIDENTIALITY NOTICE:  This transmission (including any
accompanying attachments) is confidential, is intended only for the
individual or entity named above, and is likely to contain privileged,
proprietary and confidential information that is exempt from disclosure
requests under applicable law.  If you are not the intended recipient,
you are hereby notified that any disclosure, copying, distribution, use
of or reliance upon any of the information contained in this transmission
is strictly prohibited.  Any inadvertent or unauthorized disclosure shall
not compromise or waive the confidentiality of this transmission or any
applicable attorney-client privilege.

If you have received this transmission in error, please immediately
notify us at user-c978de0668a4@xymon.invalid."


Kinetic Concepts, Inc.

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list W.J.M. Nelis · Thu, 13 Nov 2008 22:11:20 +0100 ·
Hello,
quoted from Robert Holden
Any idea what would / could cause gaps in graphing like in the attached picture?
It happens periodically on various systems, but only on a few particular graphs (like CPU utilization).
Are you using MRTG and bbmrtg.pl to create these graphs? As those processes run independently and as bbmrtg.pl ignores changes in the MRTG datafiles once bbmrtg.pl is started, some gaps may occur.

Regards,
  Wim Nelis.
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list Mike Wood · Thu, 13 Nov 2008 15:33:05 -0600 ·
quoted from Robert Holden
We have seen these in situations where the hobbit server is overloaded
(processing too many things at once).  We have also seen it where a program
we were launching from hobbitlaunch > was crashing (core).
Have you looked through the hobbit log files?
I don't have any pertinent errors in my client log files, and I can't imagine the Hobbit server being too busy.  It's load average is basically a flat line.
quoted from Robert Holden


Robert
On Thu, Nov 13, 2008 at 7:32 AM, Wood, Mike <user-ca9fdeef37c9@xymon.invalid<mailto:user-ca9fdeef37c9@xymon.invalid>> wrote:

Hi All,


Any idea what would / could cause gaps in graphing like in the attached picture?

It happens periodically on various systems, but only on a few particular graphs (like CPU utilization).


Thanks for looking!


Mike Wood

UNIX System Administrator

Kinetic Concepts Inc.

XXXX NW Parkway

San Antonio, TX, 78249


E-mail:  user-ca9fdeef37c9@xymon.invalid<mailto:user-ca9fdeef37c9@xymon.invalid>
quoted from Robert Holden

Office:  (XXX) XXX-XXXX

Mobile:  (XXX) XXX-XXXX


*****************************************************************************

"CONFIDENTIALITY NOTICE:  This transmission (including any

accompanying attachments) is confidential, is intended only for the

individual or entity named above, and is likely to contain privileged,

proprietary and confidential information that is exempt from disclosure

requests under applicable law.  If you are not the intended recipient,

you are hereby notified that any disclosure, copying, distribution, use

of or reliance upon any of the information contained in this transmission

is strictly prohibited.  Any inadvertent or unauthorized disclosure shall

not compromise or waive the confidentiality of this transmission or any

applicable attorney-client privilege.


If you have received this transmission in error, please immediately

notify us at user-c978de0668a4@xymon.invalid<mailto:user-c978de0668a4@xymon.invalid>."


Kinetic Concepts, Inc.
quoted from Robert Holden


******************************************************************************


*****************************************************************************
"CONFIDENTIALITY NOTICE:  This transmission (including any
accompanying attachments) is confidential, is intended only for the
individual or entity named above, and is likely to contain privileged, 
proprietary and confidential information that is exempt from disclosure 
requests under applicable law.  If you are not the intended recipient, 
you are hereby notified that any disclosure, copying, distribution, use 
of or reliance upon any of the information contained in this transmission
is strictly prohibited.  Any inadvertent or unauthorized disclosure shall 
not compromise or waive the confidentiality of this transmission or any 
applicable attorney-client privilege. 

If you have received this transmission in error, please immediately 
notify us at user-c978de0668a4@xymon.invalid."


Kinetic Concepts, Inc.

******************************************************************************
list Mike Wood · Thu, 13 Nov 2008 15:33:59 -0600 ·
I'm using whatever Hobbit 4.2.0 uses to make the graphs.  Thanks!

Mike Wood
UNIX System Administrator
Kinetic Concepts Inc.
5751 NW Parkway
quoted from Mike Wood
San Antonio, TX, 78249

-----Original Message-----
From: Nelis, W.J.M. [mailto:user-f4ccfde53c0d@xymon.invalid]
Sent: Thursday, November 13, 2008 3:11 PM
To: user-ae9b8668bcde@xymon.invalid
Subject: [hobbit] RE: gaps in hobbit graphs

Hello,
Any idea what would / could cause gaps in graphing like in the attached picture?
It happens periodically on various systems, but only on a few particular graphs (like CPU utilization).
Are you using MRTG and bbmrtg.pl to create these graphs? As those processes run independently and as bbmrtg.pl ignores changes in the MRTG datafiles once bbmrtg.pl is started, some gaps may occur.

Regards,
  Wim Nelis.
*******************************************************************************************************
The NLR disclaimer (http://www.nlr.nl/emaildisclaimer) is valid for NLR e-mail messages.
*******************************************************************************************************


*****************************************************************************
"CONFIDENTIALITY NOTICE:  This transmission (including any
accompanying attachments) is confidential, is intended only for the
individual or entity named above, and is likely to contain privileged, proprietary and confidential information that is exempt from disclosure requests under applicable law.  If you are not the intended recipient, you are hereby notified that any disclosure, copying, distribution, use of or reliance upon any of the information contained in this transmission
is strictly prohibited.  Any inadvertent or unauthorized disclosure shall not compromise or waive the confidentiality of this transmission or any applicable attorney-client privilege. 
If you have received this transmission in error, please immediately notify us at user-c978de0668a4@xymon.invalid."


Kinetic Concepts, Inc.

******************************************************************************
list Adam Goryachev · Fri, 14 Nov 2008 11:00:23 +1100 ·
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quoted from Mike Wood

Wood, Mike wrote:
Any idea what would / could cause gaps in graphing like in the attached
picture?

It happens periodically on various systems, but only on a few particular
graphs (like CPU utilization).

Thanks for looking!
I've found that while systems are purple they don't cause blanks in the
graphs... I'm sure I've also seen red/yellow cause this, but I haven't
had a chance to track that down, and most likely that is more due to my
custom scripts/graphs using NCV to do the graphing.

Can you see what the status was at those times?
Was there any log messages from hobbit around those times?

Regards,
Adam
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list Mike Wood · Mon, 17 Nov 2008 08:03:23 -0600 ·
quoted from Adam Goryachev
-----Original Message-----
From: Adam Goryachev [mailto:user-92fd6827f6ae@xymon.invalid]
Sent: Thursday, November 13, 2008 6:00 PM
To: user-ae9b8668bcde@xymon.invalid
Subject: Re: [hobbit] gaps in hobbit graphs

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Wood, Mike wrote:
Any idea what would / could cause gaps in graphing like in the attached
picture?

It happens periodically on various systems, but only on a few particular
graphs (like CPU utilization).

Thanks for looking!
I've found that while systems are purple they don't cause blanks in the
graphs... I'm sure I've also seen red/yellow cause this, but I haven't
had a chance to track that down, and most likely that is more due to my
custom scripts/graphs using NCV to do the graphing.

Can you see what the status was at those times?
The status was "normal" as far as I can tell.
Was there any log messages from hobbit around those times?
No log entries.

Thanks!

Mike
quoted from Mike Wood
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"CONFIDENTIALITY NOTICE:  This transmission (including any
accompanying attachments) is confidential, is intended only for the
individual or entity named above, and is likely to contain privileged, proprietary and confidential information that is exempt from disclosure requests under applicable law.  If you are not the intended recipient, you are hereby notified that any disclosure, copying, distribution, use of or reliance upon any of the information contained in this transmission
is strictly prohibited.  Any inadvertent or unauthorized disclosure shall not compromise or waive the confidentiality of this transmission or any applicable attorney-client privilege. 
If you have received this transmission in error, please immediately notify us at user-c978de0668a4@xymon.invalid."


Kinetic Concepts, Inc.

******************************************************************************