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PostPosted: Mon Dec 13, 2010 5:48 am 
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Joined: Wed Jul 29, 2009 8:00 pm
Posts: 7
Hi,

I was uploading stock data for 5 min bars for the past three years ( around 57000 lines ) through the import option and initially it worked fine ( I was able to quickly upload data for multiple stocks in a few secs ). Strangely, after sometime when I had a new set of stock data again in txt, OQ seems to take forever to convert it ( something like 10-15 mins ) per stock. I'm surprised because a little while back it worked perfectly fine. Could you please help me out figure why its taking so long now ?

Thanks,

Neo


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PostPosted: Mon Dec 13, 2010 12:16 pm 
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Joined: Thu Jul 17, 2003 10:39 am
Posts: 1478
Hi,

This issue is described many times on the forum...
OQ data storage engine is designed for the fast insert and select operations,
but it may update an existing data very slowly...
If you re-import the data with the same datetimes then we recommend to clear an existing series before operation.

Regards,
Alex

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SmartQuant Development Team


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