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How much disk space is used by a specific tag?

viul

For educational reasons I would like to determine the disk space a specific tag is using. Is there a convenient way to get that number? If not, would getting the number of archived values and multiplying with the size of the datatype (rounded to full 32bit words) and the size of the timestamp be an accurate representation? how big is the timestamp, since it's millisecond precision I guess more than 32bit?

 

Thank in Advance for your help!

 

 

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    A timestamp is not millisecond precision. Its more precise than that, but that is beyond the point. In the old days they taught about how the archives were organized on a basic level. When a recorded value for a tag is first written to a record, the timetamp and value are written. If subsequent events are to the whole second, then the timestamp is not written. Rather an integer representing the number of whole seconds since the previous event. If subseconds are being used, then the larger timestamp will be used.

     

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    A timestamp is not millisecond precision. Its more precise than that, but that is beyond the point. In the old days they taught about how the archives were organized on a basic level. When a recorded value for a tag is first written to a record, the timetamp and value are written. If subsequent events are to the whole second, then the timestamp is not written. Rather an integer representing the number of whole seconds since the previous event. If subseconds are being used, then the larger timestamp will be used.

     

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