view mod_storage_appendmap/README.markdown @ 5754:1d0a0d3f9593

mod_restrict_xmpp: Add vcard4 PEP node to profile permission
author Kim Alvefur <zash@zash.se>
date Sat, 02 Dec 2023 11:07:23 +0100
parents 88474dd1af48
children
line wrap: on
line source

---
labels:
- 'Stage-Alpha'
- 'Type-Storage'
summary: Experimental map store optimized for small incremental changes
...

This is an experimental storage driver where changed data is appended.
Data is simply written as `key = value` pairs to the end of the file.
This allows changes to individual keys to be written without needing to
write out the entire object again, but reads would grow gradually larger
as it still needs to read old overwritten keys. This may be suitable for
e.g. rosters where individual contacts are changed at a time. In theory,
this could also allow rolling back changes.

Requires 0.10