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annotate mod_graceful_shutdown/README.markdown @ 4656:4eb684ab440c

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mod_spam_reporting: Handle unknown or future report types An unrecognised value in the 'reason' attribute would have caused an error. This change makes it mirror the behavior for the previous XEP version.
author Kim Alvefur <zash@zash.se>
date Wed, 25 Aug 2021 15:05:56 +0200
parents 88474dd1af48
children 999e7cb7f6d9
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4652a112a4ba mod_graceful_shutdown: Experiment in improving the shutdown experience
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1 This module is an experiment about a more graceful shutdown process.
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2
4652a112a4ba mod_graceful_shutdown: Experiment in improving the shutdown experience
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3 Why
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4 ===
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5
4652a112a4ba mod_graceful_shutdown: Experiment in improving the shutdown experience
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6 When shutting down, a number of sessions, connections and other things
4652a112a4ba mod_graceful_shutdown: Experiment in improving the shutdown experience
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7 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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8 sometimes e.g. client unavailable notifications don't make it to all
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9 remote contacts because the server-to-server connections are teared down
4652a112a4ba mod_graceful_shutdown: Experiment in improving the shutdown experience
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10 just after.
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11
4652a112a4ba mod_graceful_shutdown: Experiment in improving the shutdown experience
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12 How
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13 ===
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14
4652a112a4ba mod_graceful_shutdown: Experiment in improving the shutdown experience
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15 This module works by breaking the shutdown process into separate steps
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16 with a brief pause between them.
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17
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18 It goes something like this
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20 1. Stop accepting new client connections.
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21 2. Close all client connections.
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22 3. Fire event for everything else.
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23 4. Tell `net.server` to quit the main loop.
4652a112a4ba mod_graceful_shutdown: Experiment in improving the shutdown experience
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24 5. ???
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25 6. Still here? Kill itself.
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26