Best Way to Trim Data
Author: akar
Creation Date: 8/7/2017 4:37 PM
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My hard disk is getting filled and I want to trim some old data for all symbols. I've 3-4 yrs of 1min data which I want to trim to 1 year. What's the best way to do it ?

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Why wouldn't you consider getting a larger HDD or SSD? Anyway, enter Data Tool:

1. Install extension, restart WLP to apply
2. Online user guide

On its Datasource Truncation tab, choose Before, pick a date, and click Truncate (not "Remove all data") to delete the data before set date.
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