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mod_graceful_shutdown/README.markdown

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mod_graceful_shutdown/README.markdown @ 5800:34b46d157797

mod_measure_active_users: Exclude disabled user accounts from counts ...if usermanager exposes that API (it's in trunk, not 0.12).
author Matthew Wild <mwild1@gmail.com>
date Wed, 06 Dec 2023 15:45:44 +0000
parent 4898:999e7cb7f6d9
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1 ::: {.alert .alert-warning}
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2 This module is an experiment about a more graceful shutdown process.
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3
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4 Graceful shutdown has now been implemented in Prosody trunk and will be
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5 part 0.12. See [issue #1225](https://issues.prosody.im/1225) for
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6 details.
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7 :::
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8
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9 Why
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10 ===
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11
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12 When shutting down, a number of sessions, connections and other things
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13 are teared down. Due to all these things happening very quickly,
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14 sometimes e.g. client unavailable notifications don't make it to all
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15 remote contacts because the server-to-server connections are teared down
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16 just after.
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17
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18 How
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19 ===
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20
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21 This module works by breaking the shutdown process into separate steps
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22 with a brief pause between them.
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23
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24 It goes something like this
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26 1. Stop accepting new client connections.
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27 2. Close all client connections.
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28 3. Fire event for everything else.
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29 4. Tell `net.server` to quit the main loop.
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30 5. ???
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31 6. Still here? Kill itself.
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32