mod_debug_traceback: Remove direct POSIX signal handling, require Prosody 0.12+
Hooking an event is safer than directly hooking signals
For context see Prosody trunk rev 69faf3552d52
---
summary: Presence deduplication module
labels:
- 'Stage-Alpha'
...
This module tries to squash incoming identical presence stanzas to save
some bandwidth at the cost of increased memory use.
Configuration
=============
Option Type Default
------------------------------ -------- ---------
presence\_dedup\_cache\_size number `100`
The only setting controls how many presence stanzas *per session* are
kept in memory for comparing with incoming presenece.
Requires Prosody 0.10 or later.