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[AcidTonic <question99926@xxxxxxxxxxxxxxxxxxxxx>]

Question #99926 on Graphite changed:
https://answers.launchpad.net/graphite/+question/99926

    Status: Answered => Open

AcidTonic is still having a problem:
So from your last reply regarding my script I thought you said it was
sending correctly just not often enough.

Now that I look at the script I indeed spotted my mistake. That one is
embarrasing. Somehow that was overlooked and now I feel bad wasting your
time for that.

So now that is fixed and you also answered my other question I'm moving
along quite nicely.

I also had a few other questions regarding the best way to retrieve a
listing from graphite. I want to dynamically fetch graphs in my application
to display on dashboard and reporting views. I wish to use this from a
django view and also a python daemon to somehow *ask* carbon/whisper what
datapoints it has similar to the tree view in your webui.

I was looking at your code and it seemed like the directory was crawled but
I'm wanting to make sure I use the correct method which can show all
datapoints across all connected carbon relays. I basically require this
functionality for detecting new devices sending datapoints so I can generate
alerts and make some django database rows. Besides walking the directory is
there a way to go through the python api?

Once again thanks for such a direct human to human troubleshooting process.
I'm ranking your support very high compared to other projects.

Cheers,
Zach Davis


On Wed, Feb 10, 2010 at 12:03 AM, chrismd <
question99926@xxxxxxxxxxxxxxxxxxxxx> wrote:

> Your question #99926 on Graphite changed:
> https://answers.launchpad.net/graphite/+question/99926
>
>    Status: Open => Answered
>
> chrismd proposed the following answer:
> No, I think you misunderstood what I was trying to say. Graphite does
> not care when data is received, only the timestamp you actually send
> with the value matters. The problem with the script is that if you look
> at the while loop at the bottom it starts with this:
>
> lines = []
>
> So each time the loop iterates, the lines list is initialized as an
> empty list. Then data gets put into the lines list. Then it checks to
> see if its been 5 seconds since the last transmission, if it hasn't the
> loop repeats. The next time around that lines = [] line means the
> previously collected data is lost and only the data collected for that
> loop iteration can be transmitted. So the data is being collected every
> 0.5 seconds, but all of it is discarded except one batch of data every 5
> seconds. You can see this more clearly if you put a print statement
> stating when data is collected and another stating when data is sent
> (and if you look at the contents of what is sent the timestamps will be
> 5 seconds apart).
>
> --
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>
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