annotate mod_graceful_shutdown/README.markdown @ 5818:d3b69859553a

mod_password_policy: Change error type from 'cancel' to 'modify' This makes more sense, as the problem relates to the data that has been entered, and therefore the request could be retried with different data.
author Matthew Wild <mwild1@gmail.com>
date Mon, 08 Jan 2024 17:28:39 +0000
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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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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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88474dd1af48 Various READMEs: s/eg/e.g.g/
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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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18 How
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19 ===
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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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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