view mod_storage_appendmap/README.markdown @ 4854:ee2463fbf794

mod_default_bookmarks: Abort on incompatible mod_bookmarks The module formerly known as mod_bookmarks exposed this publish_to_pep function, while the new mod_bookmarks2 (called mod_bookmarks in trunk) does not.
author Kim Alvefur <zash@zash.se>
date Fri, 07 Jan 2022 23:25:33 +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