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Request: 95th percentile calculation in RRD

Scheduled Pinned Locked Moved 2.0-RC Snapshot Feedback and Problems - RETIRED
22 Posts 11 Posters 9.3k Views
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  • B
    bardelot
    last edited by Feb 7, 2011, 5:31 PM

    fixed the SI magnitude. %sb/s instead of %Sb/s in both GPRINT lines.

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    • D
      databeestje
      last edited by Mar 9, 2011, 12:14 PM

      Code committed to the git repo. It should appear in snapshots half a day from now, please test.

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      • P
        podilarius
        last edited by Mar 15, 2011, 11:29 AM

        Thank you for this. It looks really good. I have to revert back to an older build and I will miss the functionality.

        Good work.

        Podilarius

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        • C
          clarknova
          last edited by Mar 16, 2011, 3:12 PM

          I finally had a chance to update and try this out. Beautiful. Thank you both and anyone else who contributed to having this included.

          db

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          • C
            clarknova
            last edited by Mar 24, 2011, 4:20 PM

            One minor problem, it appears the "out" line for 95th %ile is drawn on the wrong side of 0 on the x axis.

            95th.png
            95th.png_thumb

            db

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            • D
              databeestje
              last edited by Mar 25, 2011, 8:03 PM

              oops

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              • G
                geeknik
                last edited by Mar 26, 2011, 3:50 AM

                I'm pretty sure this commit broke my RRD traffic graphs. Any way to fix this w/o deleting all of my data history?

                http://forum.pfsense.org/index.php/topic,34715.0.html

                status_rrd_graph_img.php.png
                status_rrd_graph_img.php.png_thumb

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                • D
                  databeestje
                  last edited by Mar 30, 2011, 5:01 PM

                  the color is missing for the theme, nothing to do with the data.

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                  • B
                    Bill48105
                    last edited by Mar 31, 2011, 6:20 PM

                    @geeknik:

                    I'm pretty sure this commit broke my RRD traffic graphs. Any way to fix this w/o deleting all of my data history?

                    http://forum.pfsense.org/index.php/topic,34715.0.html

                    Howdy,
                    Yeah I see the same thing when I choose traffic. Logs show:

                    php: /status_rrd_graph_img.php: Failed to create graph with error code 1, the error is: ERROR: Unknown function string '95,PERCENT,-1,*' in VDEF 'opt1-out_bits_95'/usr/bin/nice -n20 /usr/local/bin/rrdtool graph /tmp/opt1-traffic.rrd-4year.png --start 1175097181 --end 1301586781 --vertical-label "bits/sec" --color SHADEA#eeeeee --color SHADEB#eeeeee --title "`hostname` - TCWIRELESS :: Traffic - 4 years - 1 day average" --height 200 --width 620 DEF:opt1-in_bytes_pass=/var/db/rrd/opt1-traffic.rrd:inpass:AVERAGE DEF:opt1-out_bytes_pass=/var/db/rrd/opt1-traffic.rrd:outpass:AVERAGE DEF:opt1-in_bytes_block=/var/db/rrd/opt1-traffic.rrd:inblock:AVERAGE DEF:opt1-out_bytes_block=/var/db/rrd/opt1-traffic.rrd:outblock:AVERAGE CDEF:"opt1-in_bits_pass=opt1-in_bytes_pass,8,*" CDEF:"opt1-out_bits_pass=opt1-out_bytes_pass,8,*" CDEF:"opt1-in_bits_block=opt1-in_bytes_block,8,*" CDEF:"opt1-out_bits_block=opt1-out_bytes_block,8,*" CDEF:"opt1-in_bytes=opt1-in_bytes_pass,opt1-in_bytes_block,+" CDEF:"opt1-out_byte
                    

                    Seems it doesn't like something about the option string. I'm not familiar enough with RRD to know for sure why or how to fix it.
                    As a quick fix I edited /usr/local/www/status_rrd_graph_img.php to make 'out' the same as 'in' (removing ,$multiplier,*) to end up with:

                    
                            $graphcmd .= "VDEF:\"$curif-in_bits_95=$curif-in_bits,95,PERCENT\" ";
                            $graphcmd .= "VDEF:\"$curif-out_bits_95=$curif-out_bits,95,PERCENT\" ";
                    
                    

                    I'm guessing that will break the scaling of the 95th line but hey it works for now at least. :D
                    Bill
                    Ps. Great work to everyone involved working on pfsense! In process of migrating from m0n0wall (need multiwan mostly) and aside from a few issues, (such as this graphing thing and a PPPoE/interface issue I need to report when I get time), it has been working great.

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                    • C
                      clarknova
                      last edited by Apr 18, 2011, 3:46 AM

                      Ok, the out line is on the correct (bottom) side of the graph now, but it looks like a 5th percentile calculation instead of a 95th.

                      Screenshot.png
                      Screenshot.png_thumb

                      db

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                      • D
                        dzeanah
                        last edited by Apr 18, 2011, 5:40 PM

                        I just want to chime in and say that I really appreciate the addition of this feature.

                        Really nice for those of us in datacenters who get billed at the 95% rate.

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