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mod_graceful_shutdown/README.md

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mod_graceful_shutdown/README.md @ 6209:d611ed13df7e draft

Merge
author Trần H. Trung <xmpp:trần.h.trung@trung.fun>
date Tue, 18 Mar 2025 00:16:25 +0700
parent 4898:mod_graceful_shutdown/README.markdown@999e7cb7f6d9
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6208:e20901443eae 6209:d611ed13df7e
1 ::: {.alert .alert-warning}
2 This module is an experiment about a more graceful shutdown process.
3
4 Graceful shutdown has now been implemented in Prosody trunk and will be
5 part 0.12. See [issue #1225](https://issues.prosody.im/1225) for
6 details.
7 :::
8
9 Why
10 ===
11
12 When shutting down, a number of sessions, connections and other things
13 are teared down. Due to all these things happening very quickly,
14 sometimes e.g. client unavailable notifications don't make it to all
15 remote contacts because the server-to-server connections are teared down
16 just after.
17
18 How
19 ===
20
21 This module works by breaking the shutdown process into separate steps
22 with a brief pause between them.
23
24 It goes something like this
25
26 1. Stop accepting new client connections.
27 2. Close all client connections.
28 3. Fire event for everything else.
29 4. Tell `net.server` to quit the main loop.
30 5. ???
31 6. Still here? Kill itself.
32