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36 lines
1.3 KiB
Markdown
36 lines
1.3 KiB
Markdown
<!-- @format -->
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<!-- START doctoc generated TOC please keep comment here to allow auto update -->
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<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
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- [WARNING](#warning)
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- [Room history retention settings / state event `m.room.retention`](#room-history-retention-settings--state-event-mroomretention)
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- [Notes](#notes)
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<!-- END doctoc generated TOC please keep comment here to allow auto update -->
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# WARNING
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**_Don't do this!_**
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- [You may corrupt your Synapse database!](https://github.com/matrix-org/synapse/issues/13476)
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- If a Synapse homeserver leaves your room for long enough time,
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[it will never be able to rejoin!](https://github.com/matrix-org/synapse/issues/11448)
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# Room history retention settings / state event `m.room.retention`
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- https://brendan.abolivier.bzh/matrix-retention-policies/
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Read that, it explains what is actually done etc.
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## Notes
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- Not part of spec.
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https://github.com/matrix-org/matrix-spec-proposals/pull/1763
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- Matrix uses milliseconds, keep that in mind!
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- Everything requires every server involved to have rention support enabled,
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otherwise the messages go nowhere and are fetchable upon request.
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- 86400000 = 1 day (seen in min lifetimes)
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- Helpful: https://unitchefs.com/milliseconds/days/ /
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https://unitchefs.com/days/milliseconds/
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