# Last 7 days of data in openHistorian

**URL:** <http://discussions.gridprotectionalliance.org/t/last-7-days-of-data-in-openhistorian/1466>\
**Category:** openHistorian\
**Created:** [January 13, 2026, 1:57pm UTC](http://discussions.gridprotectionalliance.org/t/last-7-days-of-data-in-openhistorian/1466 "2026-01-13T13:57:30Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![LuizFreire](http://discussions.gridprotectionalliance.org/letter_avatar_proxy/v4/letter/l/3bc359/32.png) [@LuizFreire](http://discussions.gridprotectionalliance.org/u/LuizFreire)\
**Post date:** [January 13, 2026, 1:57pm UTC](http://discussions.gridprotectionalliance.org/t/last-7-days-of-data-in-openhistorian/1466/1 "2026-01-13T13:57:30Z")

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How to keep only the last 7 days of data in openHistorian?

Architecture: openHistorian has an input that connects to an output stream from openPDC.

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**Author:** ![ritchiecarroll](http://discussions.gridprotectionalliance.org/user_avatar/discussions.gridprotectionalliance.org/ritchiecarroll/32/2_2.png) [@ritchiecarroll](http://discussions.gridprotectionalliance.org/u/ritchiecarroll)\
**Post date:** [January 13, 2026, 3:46pm UTC](http://discussions.gridprotectionalliance.org/t/last-7-days-of-data-in-openhistorian/1466/2 "2026-01-13T15:46:24Z")

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> **[Limit Total Archive Days](https://github.com/GridProtectionAlliance/openHistorian/wiki/Limit-Total-Archive-Days)**
>
> The Open Source Time-Series Data Historian. Contribute to GridProtectionAlliance/openHistorian development by creating an account on GitHub.

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**Author:** ![LuizFreire](http://discussions.gridprotectionalliance.org/letter_avatar_proxy/v4/letter/l/3bc359/32.png) [@LuizFreire](http://discussions.gridprotectionalliance.org/u/LuizFreire)\
**Post date:** [January 13, 2026, 5:19pm UTC](http://discussions.gridprotectionalliance.org/t/last-7-days-of-data-in-openhistorian/1466/3 "2026-01-13T17:19:15Z")

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Thanks, @ritchiecarroll !