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If your volumes are in the many/second category then the date/time stamp does not assure unique sequencing. If accurate arrival sequencing is mandatory then a data queue with a single NEP is the only choice. With the single NEP the next number is decremented, assigned, and pushed to the next que for adding to the file for writing. If you need to run several programs to do the actual writes from the second queue to the file, that is fine, since the sequence # is already assigned and the write will not fail for that reason.




On 8/13/2014 3:39 PM, Vinay Gavankar wrote:
Thanks Chuck.

I think that using the timestamp (retrieved when writing to the data
queue), instead of the sequence number will work. I will have to use an API
to get UTC or something, otherwise if I use System Time, wouldn't it go
back when Daylight Saving time ends?



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