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Date/Time: Thu, 19 Sep 2024 23:50:22 +0000



Post From: Reliability of Data Downloaded after error in the log

[2013-07-21 02:18:25]
bmoney - Posts: 32
Hello SC Support,

I have had multiple events where there have been errors in the log after downloading data such as out of order timestamps and CTS T4 Service: Exception caught in OnChartDataComplete: Buffer cannot be null. I have been told by support to wait for FIX so that these problems could be addressed, however these problems have been around since March and being that T4 only allows 90 days of download I have questions about the data I have already amassed.

1. Can the data with errors affect how the Sierra Chart software runs?
2. Can the data with errors affect other data files?
3. Can the data with errors affect the download of other data files?
4. Can the data with errors affect the Real-time intraday chart data file updates of other data files?
5. Can it affect the trade execution that occurs in instruments of other data files?
6. When new data is downloaded and added to the data file that had errors to begin with is it reliable if there were no errors in the log during the latest download?
7. When new data is added from the Real-time intraday chart data file updates to the data file that had errors to begin with is it reliable if there were no errors in the log during the latest streaming update? In this particular instance should trade execution be a concern?

Questions 6&7 will at least help me know that the data downloaded from a certain point forward is reliable. Additionally, I make the distinction between downloading data and Real-time intraday chart data file updates because I noticed especially with the out of order timestamp problem that downloading data had more instances of errors than the real-time streaming update.

On a completely unrelated matter, I would also like to know if my data is reliable if during download the Sierra Chart freezes for a moment. It freezes sometimes when I am trying to scroll through the message log when it is downloading data or when I open a chartbook and the chartbook is loading previous data and downloading new data at the same time. It always comes out of the freeze with no errors in the message log but I want to be sure that the data is reliable, both the already existing data (since it gets compressed before the download) and the new data.

Thank you in advance for helping me better understand Sierra Charts