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Interval Logging of Meta Point Not Working


  • We've set interval logging to every minute, however all data points seem to be logged.
    When exporting chart data or viewing the chart there seems to be a point logged on every context update.
    What we would like is one point every minute that is the average / max of all of the context update values.
    What are we doing wrong here?

    Cheers.


  • Hi jeon,

    Can you post the script body of your meta point or share its JSON export? Are you doing history generation, or is this on an active meta point?

    Edit: It was suggested to me that you may be using a rollup to view the chart. Can you check that? The rollup will appear to have data for every interval of the rollup.


  • Hi phildunlap,

    The JSON for the point is as below:

    {
       "dataPoints":[
          {
             "xid":"DP_015105",
             "name":"Customer - W",
             "enabled":true,
             "loggingType":"INTERVAL",
             "intervalLoggingPeriodType":"MINUTES",
             "intervalLoggingType":"INSTANT",
             "purgeType":"YEARS",
             "pointLocator":{
                "dataType":"NUMERIC",
                "updateEvent":"CONTEXT_UPDATE",
                "context":[
                   {
                      "varName":"pv",
                      "dataPointXid":"DP_732541",
                      "updateContext":true
                   },
                   {
                      "varName":"batt",
                      "dataPointXid":"DP_670549",
                      "updateContext":true
                   }
                ],
                "logLevel":"NONE",
                "executionDelaySeconds":0,
                "script":"return pv.value + batt.value;",
                "scriptPermissions":{
                   "customPermissions":"",
                   "dataPointReadPermissions":"superadmin",
                   "dataPointSetPermissions":"superadmin",
                   "dataSourcePermissions":"superadmin"
                },
                "settable":false,
                "updateCronPattern":""
             },
             "eventDetectors":[
             ],
             "plotType":"SPLINE",
             "unit":"W",
             "chartColour":"black",
             "chartRenderer":{
                "type":"IMAGE",
                "timePeriodType":"DAYS",
                "numberOfPeriods":1
             },
             "dataSourceXid":"DS_458140",
             "defaultCacheSize":1,
             "deviceName":"Meta",
             "discardExtremeValues":true,
             "discardHighLimit":20000.0,
             "discardLowLimit":-20000.0,
             "intervalLoggingPeriod":1,
             "intervalLoggingSampleWindowSize":0,
             "overrideIntervalLoggingSamples":false,
             "purgeOverride":false,
             "purgePeriod":1,
             "readPermission":"",
             "setPermission":"",
             "textRenderer":{
                "type":"ANALOG",
                "useUnitAsSuffix":true,
                "unit":"W",
                "renderedUnit":"W",
                "format":"0.00"
             },
             "tolerance":0.0
          }
       ]
    }
    

    It is an active meta point.

    I am not using a rollup, I am just viewing the point details chart and using its download chart data function.

    Cheers.


  • Hi Jeon,

    I still find myself wondering if you're using a rollup, nothing in that configuration would circumvent interval logging. Can you post a screenshot of the page you're talking about, and, if it's the new data point details page, can you expand the header bar to include your date options in the screenshot?


  • Hi phildunlap,

    I've just realised I left out a key piece of information here.
    The data is being published to a mango server using Mango Persistent TCP.
    I have since noticed that the publisher's Update event was set to All! I have now corrected this to Logged data and the points on the server are now correct.
    Thanks for the assistance.

    Jeon


  • Aha! Certianly! Thanks for sharing the resolution.