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koudelka
Joined: 02 Dec 2008
Posts: 2
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 Posted: Tue Dec 02, 2008 10:33 am Post subject: Graph Annotations |
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Hi folks,
I searched the forums and found nothing relevant, I apologize if this has already been covered.
Is there a way to annotate graphs? Like associating a datetime with a string, then sticking a dot on the graph for that event.
Like:
11:00 -> "Upgraded Server 1"
12:00 -> "Upgraded Server 2"
Then having little dots appear on the graphs at 11:00 and 12:00.
Thanks!
--Koudelka |
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gandalf
Developer
Joined: 02 Dec 2004
Posts: 12642
Location: Muenster, Germany
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| Posted: Tue Dec 02, 2008 3:31 pm Post subject: |
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Currently not known. How should those annotations be created?
Reinhard |
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koudelka
Joined: 02 Dec 2008
Posts: 2
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| Posted: Wed Dec 03, 2008 8:34 am Post subject: |
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| gandalf wrote: | Currently not known. How should those annotations be created?
Reinhard |
I'd imagine I could give cacti a time-indexed log of events. I guess RRDTool would have to support it too. |
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kbekus
Joined: 04 Jan 2009
Posts: 1
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| Posted: Sun Jan 04, 2009 5:22 pm Post subject: |
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I must admit, I was hoping for a mechanism like this also... this would be extremely handy from a monitoring point of view - for example on a temperature graph, make a red vertical line indicating the installation of a new air conditioner so that it's easy to see a before / after effect, or to annotate an ADSL bandwidth graph with a line indicating a change in modem settings to see cause and effect.
I have no idea how to handle this technically of course, only hoping a solution was out there  |
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hamish
Joined: 05 Aug 2008
Posts: 26
Location: London
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| Posted: Mon Jan 05, 2009 5:10 am Post subject: |
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Create a graph template specifically for that graph, and add the extras a VRULE's and COMMENTS...
H |
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