view mod_presence_cache/README.markdown @ 4776:13e913471b75

mod_http_admin_api: Ensure freshness of metrics when in manual mode When in manual collection mode, as recommended for Prometheus, collection needs to be triggered manually, or they would be stale, possibly dating from the start of the server. This might vary per metric depending on how and when the metrics are gathered.
author Kim Alvefur <zash@zash.se>
date Thu, 18 Nov 2021 19:26:07 +0100
parents ed2bb50d4f91
children
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---
summary: Cache presence from remote users
...

Introduction
============

This module stores a timestamp of the latest presence received from
users contacts so that the client can see who is online faster when they
sign in, and won't have to wait for remote servers to reply.

Configuration
=============

Just enable the module.

    modules_enabled = {
        -- more modules
        "presence_cache";
    }

Advanced configuration
======================

The size of the cache is tuneable:

    presence_cache_size = 99

Compatibility
=============

Requires 0.10 or later