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Post From: DTC issues with CQG

[2018-08-15 06:57:07] Link To Thread - Link To Post [Go To First Post]
DTC Engineering - Posts: 320
We apologize for the delay. A question like this really should have gone on the Sierra Chart Support Board here: https://www.sierrachart.com/SupportBoard.php Although we will just go ahead and answer it here. It's been working great, but last week I noticed a gap of over an hour in F.US.CLEU18 (CQG): The only reasonable explanation for this, is the data was actually missing from the chart data file in the instance of Sierra Chart you are using the DTC server in. Or there is a problem with the processing of the data on your side. The DTC Server in Sierra Chart is the very same server that is used to serve sub instances documented here: Using DTC Server for Data and Trading in Another Sierra Chart Instance If you open a chart for that symbol in a sub instance and fully re-download the data with Edit >> Delete All Data and Download and you get all of the data without a gap, then you have a processing problem on your side. There can be little doubt about that. It would not seem to be a problem with the request itself because there is no way to filter data by time between records. Also it is the very same server that is used to serve all of our thousands of users as well. It is a high-performance threaded server. As it is used within Sierra Chart, it does not perform any filtering. Secondly, I've noticed that frequently my DTC requests return data with unsorted epoch timestamps for CQG data. The timestamps will be as they are in the chart data files within Sierra Chart. So if they are out of order you can look at those through the intraday data editor. This is the data that has been received from the CQG data feed. It is not within our control. There are two different methods of time stamping for real-time data and they are explained here: Incorrect Date and/or Time Display, Missing Historical Intraday Data, Chart Not Updating: Using Local System Clock for Timestamping Date Time Of Last Edit: 2018-08-15 22:00:13