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annotate mod_graceful_shutdown/README.markdown @ 4047:36b6e3e3f9e2

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mod_conversejs: Disable automatic BOSH/WS endpoint discovery Converse.js 7.0 will enable this by default, but when using this module the BOSH and WebSocket endpoints are provided in the generated HTML, so automatic discovery is not needed and unlikely to work without an additional module.
author Kim Alvefur <zash@zash.se>
date Thu, 18 Jun 2020 15:24:34 +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
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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
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10 just after.
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12 How
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13 ===
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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.
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24 5. ???
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25 6. Still here? Kill itself.
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